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Contents
- The climate of Atlantic City
- The best time to visit Atlantic City
- The worst time to visit Atlantic City
- Spring weather in Atlantic City
- Summer weather in Atlantic City
- Autumn weather in Atlantic City
- Winter weather in Atlantic City
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Clear blue waters approaching the sandy beach of the distant Atlantic City in New Jersey
Climate and monthly weather forecast
The climate of Atlantic City
Atlantic City, nestled in New Jersey on the east coast of the United States, enjoys a humid subtropical climate. This climatic condition, known as Cfa in the Köppen climate classification, exhibits no dry season. The geographical location of the city near the Atlantic Ocean significantly influences weather patterns throughout the year.
Throughout the year, the temperatures oscillate between 31.1°F (-0.5°C) and 79.9°F (26.6°C). A prominent increase in temperature from 39.9°F (4.4°C) in January to 79.9°F (26.6°C) in July indicates the transition from a relatively cooler start to a warmer mid-year. After summer, temperatures decline gradually, reaching 46.2°F (7.9°C) by December.
Rainfall appears uniformly spread over the year, ranging from a minimum of 0.71" (18mm) in January to a maximum of 1.26" (32mm) in October. It's notable that no month goes without rainfall. The shower days fluctuate between 6.9 and 13.3 days a month, showing a sporadic distribution pattern.
Regarding humidity, Atlantic City maintains a moderately high relative humidity throughout the year, hovering between 73% to 81%. The city also experiences distinct daylight hours that increase from 9.8 hours in January, peak at 14.9 hours in June, and decrease to 9.4 hours by December, indicating the shift between longer winter nights and extended summer days.
Throughout the year, the temperatures oscillate between 31.1°F (-0.5°C) and 79.9°F (26.6°C). A prominent increase in temperature from 39.9°F (4.4°C) in January to 79.9°F (26.6°C) in July indicates the transition from a relatively cooler start to a warmer mid-year. After summer, temperatures decline gradually, reaching 46.2°F (7.9°C) by December.
Rainfall appears uniformly spread over the year, ranging from a minimum of 0.71" (18mm) in January to a maximum of 1.26" (32mm) in October. It's notable that no month goes without rainfall. The shower days fluctuate between 6.9 and 13.3 days a month, showing a sporadic distribution pattern.
Regarding humidity, Atlantic City maintains a moderately high relative humidity throughout the year, hovering between 73% to 81%. The city also experiences distinct daylight hours that increase from 9.8 hours in January, peak at 14.9 hours in June, and decrease to 9.4 hours by December, indicating the shift between longer winter nights and extended summer days.
The best time to visit Atlantic City
The ideal time to visit Atlantic City is during the summer months of June, July, and August. In these months, temperatures rise to an agreeable 73.6°F (23.1°C) to 79.7°F (26.5°C), significantly complemented by extended daylight hours (14.6 to 14.9 hours). The sea temperature also becomes pleasantly warm, rising from 66.7°F (19.3°C) to 76.6°F (24.8°C), making water-based activities particularly enjoyable.
The worst time to visit Atlantic City
The less agreeable period to visit Atlantic City would be in the winter months of December, January, and February when the temperatures drop to a chilly range from 31.1°F (-0.5°C) to 42.3°F (5.7°C). Furthermore, daylight hours are reduced to between 9.4 to 10.7 hours, and the sea temperature dips as well, approaching 40.5°F (4.7°C) to 42.5°F (5.8°C), which may limit outdoor and water-based activities.
Spring weather in Atlantic City
Spring in Atlantic City, extending from March to May, experiences a gradual increase in temperatures from 46.9°F (8.3°C) to 64.9°F (18.3°C). There is a corresponding rise in rainfall from 1.02" (26mm) to 1.1" (28mm) across these months. Snowfall, witnessed in winter months, completely dissipates during spring. The humidity level remains fairly constant around the 75% to 81% mark.
Summer weather in Atlantic City
Summertime, from June to August, showcases warmer weather conditions with temperatures ranging from 73.6°F (23.1°C) to 79.7°F (26.5°C). Rainfall levels show minor fluctuations between 0.94" (24mm) and 1.1" (28mm). The sea temperature hits a high of 76.6°F (24.8°C) in August, promoting water-based activities. The daylight extends to a generous 14.6 to 14.9 hours, further encouraging outdoor explorations.
Autumn weather in Atlantic City
Autumn, enveloping September to November, witnesses a steady decline in temperatures from 74.1°F (23.4°C) to 54.1°F (12.3°C). Rainfall increases notably in October to 1.26" (32mm), the highest of the year. Sea temperatures also reduce from 71.4°F (21.9°C) to 55.8°F (13.2°C). The daylight hours decrease gradually, thus marking the transition to shorter days.
Winter weather in Atlantic City
Winter, covering December to February, is characterized by the lowest temperatures of the year, fluctuating from 31.1°F (-0.5°C) to 42.3°F (5.7°C). Snowfall emerges with a peak of 0.63" (16mm) in December. Despite low sea temperatures from 40.5°F (4.7°C) to 42.5°F (5.8°C), the rainfall remains constant around 0.91" (23mm). Daylight hours dwindle to a range of 9.4 to 10.7 hours.
Weather in January
Atlantic City experiences a chilly start to the year, as January brings a wintry mix of snow and rain. Typically, the mercury fluctuates from 31.1°F (-0.5°C) to a high of 39.9°F (4.4°C). An average UV index of 2 indicates minimal solar radiation, making it safe for outdoor activities without the risk of sunburn. Weather in January »
Weather in February
As February rolls in, the Atlantic City weather continues its ascent from the January chill, gradually transitioning towards milder conditions. The number of sunlight hours increases slightly, contributing to somewhat warmer afternoons. Weather in February »
Weather in March
March signals the official start of spring in Atlantic City, with overall improvement in weather conditions. A marked rise in the monthly average temperature hints at the upcoming warmer months. Increasing daylight hours, accompanied by a UV index of 3, make this a favorable time for outdoor pursuits in the city. Weather in March »
Weather in April
April brings a significant change to Atlantic City's weather, welcoming mild temperatures and longer daylight hours. It is often regarded as the month of transition between the chilly spring and upcoming warmer months. Unusually, the sea temperature surges to 46.6°F (8.1°C), signifying the warming influence of the North Atlantic Drift. Weather in April »
Weather in May
May brings the first hints of summer to Atlantic City with warmer temperatures and extensive daylight hours. The atmosphere across the city embraces a vibrant and sunny character. As the sea temperature climbs to 55°F (12.8°C), beach activities start buzzing, attracting both residents and tourists. Weather in May »
Weather in June
June marks the commencement of full-fledged summer in Atlantic City, characterized by warmth and an abundance of sunlight. Beach season is in full swing with sea temperatures reaching a comfortable 66.7°F (19.3°C). The corresponding rise in UV index demands precautions during prolonged exposure to the sun. Weather in June »
Weather in July
July is the peak summer month for Atlantic City with the highest average temperatures observed. The average sea temperature hits a peak of 73.9°F (23.3°C), making it ideal for various water activities. An UV index of 6 continues to be the norm, beckoning beachgoers to use sun protection. Weather in July »
Weather in August
August in Atlantic City typically mirrors the weather conditions of July, with just a slight dip in average temperatures. Ocean temperatures remain quite warm at 76.6°F (24.8°C), providing a delightful environment for beach enthusiasts. Weather in August »
Weather in September
September sees the summer warmth continue in Atlantic City, though a slow cooling trend starts to emerge. The abundant sunshine persists, even as daylight hours start to shrink. A noteworthy feature of September’s weather is that the sea temperature remains relatively high at 71.4°F (21.9°C). Weather in September »
Weather in October
October in Atlantic City ushers in the crisp intrigue of autumn, featuring a perfect blend of warm days and cooler nights. The city’s landscape is transformed by radiant fall colors, offering picturesque views. A significant drop in sea temperature to 64.9°F (18.3°C) exemplifies the cooling trends. Weather in October »
Weather in November
November introduces chillier weather to Atlantic City, heralding the onset of winter. With sea temperatures plunging to 55.8°F (13.2°C), a significant drop in beach activities is observed. Despite decreasing daylight hours and falling temperatures, the relatively clear skies provide enough sunshine to brighten the wintry days. Weather in November »
Weather in December
Atlantic City experiences the full force of winter in December, with the average temperature dropping to the year's lowest 38.3°F (3.5°C). The sea temperature also tumbles down to 48.2°F (9°C), signifying the coldest month for the Atlantic waters. Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Atlantic City?
In Atlantic City, January is the month with the lowest recorded average temperatures, measuring a high of 39.9°F (4.4°C) and a low of 31.1°F (-0.5°C).
What is the driest month in Atlantic City?
January is the month with the least rainfall in Atlantic City, New Jersey. Rain falls for 7.4 days and accumulates 0.71" (18mm) of precipitation.
How much does it rain in Atlantic City?
In Atlantic City, New Jersey, during the entire year, the rain falls for 121.6 days and collects up to 12.09" (307mm) of precipitation.
When does it snow in Atlantic City?
January through March and December are months with snowfall.
What is the snowiest month in Atlantic City?
January is the month with the most snowfall in Atlantic City, New Jersey. Snow falls for 3.7 days and accumulates 0.63" (16mm) of snow.
How much does it snow in Atlantic City?
In Atlantic City, New Jersey, during the entire year, snow falls for 10.6 days and aggregates up to 1.69" (43mm) of snow.
When is the lowest UV index in Atlantic City?
The months with the lowest UV index in Atlantic City are January, February and December, with an average maximum UV index of 2.
When is the ocean coldest in Atlantic City?
February is the month with the coldest seawater in Atlantic City, New Jersey, with an average ocean temperature of 40.6°F (4.8°C).
What is the month with the least sunshine in Atlantic City?
The month with the least sunshine is February, with an average of 5h of sunshine.
When is Daylight Saving Time (DST) in Atlantic City?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow in Atlantic City?
April through November are months without snowfall in Atlantic City.
What is the most humid month in Atlantic City?
With an average relative humidity of 81%, May is the most humid month in Atlantic City.
What are the months with the highest UV index in Atlantic City?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days in Atlantic City?
June has the longest days of the year in Atlantic City, with an average of 14h and 54min of daylight.
What month is the hottest in Atlantic City?
In Atlantic City, the average temperatures in July are the highest, with a peak at 79.9°F (26.6°C) and a low of 71.6°F (22°C).
What month has the most sunshine in Atlantic City?
The month with the most sunshine in Atlantic City is July, with an average of 10.9h of sunshine.
When is the ocean warmest in Atlantic City?
August is the month with the warmest seawater, with an average ocean temperature of 76.6°F (24.8°C).
What is the rainiest month in Atlantic City?
October is the month with the most rainfall in Atlantic City, New Jersey. Rain falls for 9 days and accumulates 1.26" (32mm) of precipitation.
What is the least humid month in Atlantic City?
The least humid month in Atlantic City is November, with an average relative humidity of 73%.
What is the month with the shortest days in Atlantic City?
December has the shortest days of the year, with an average of 9h and 24min of daylight.
Average temperature
Atlantic City, NJ
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (39.9°F).
The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).
Average pressure
Atlantic City, NJ
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Atlantic City, NJ
- Average wind speed in January:
12.9mph - Average wind speed in February:
12.6mph - Average wind speed in March:
12.4mph - Average wind speed in April:
12.2mph - Average wind speed in May:
10.4mph - Average wind speed in June:
9.6mph
- Average wind speed in July:
8.9mph - Average wind speed in August:
8.8mph - Average wind speed in September:
10.1mph - Average wind speed in October:
11.9mph - Average wind speed in November:
12.4mph - Average wind speed in December:
12.3mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity
Atlantic City, NJ
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall
Atlantic City, NJ
- Average rainfall in January:
0.71" - Average rainfall in February:
0.91" - Average rainfall in March:
1.02" - Average rainfall in April:
1.02" - Average rainfall in May:
1.1" - Average rainfall in June:
0.94"
The wettest month (with the highest rainfall) is October (1.26").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days
Atlantic City, NJ
- Average rainfall days in January:
7.4 days - Average rainfall days in February:
8.1 days - Average rainfall days in March:
11.2 days - Average rainfall days in April:
11.5 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
11.1 days
- Average rainfall days in July:
13.3 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
10.1 days - Average rainfall days in October:
9 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is November (6.9 days).
Average snowfall
Atlantic City, NJ
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days
Atlantic City, NJ
- Average snowfall days in January:
3.7 days - Average snowfall days in February:
2.5 days - Average snowfall days in March:
2 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
1.9 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature
Atlantic City, NJ
The best month for swimming (with the highest average sea temperature) is August (76.6°F).
The coldest month (with the lowest average sea temperature) is February (40.5°F).
Average daylight / Average sunshine
Atlantic City, NJ
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days
Atlantic City, NJ
- Average sunshine days in January:
20.3 days - Average sunshine days in February:
17.3 days - Average sunshine days in March:
17.5 days - Average sunshine days in April:
16.3 days - Average sunshine days in May:
15.9 days - Average sunshine days in June:
16.3 days
- Average sunshine days in July:
14.6 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
18.2 days - Average sunshine days in October:
19.6 days - Average sunshine days in November:
20.6 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (14.6 days).
Average UV index
Atlantic City, NJ
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Atlantic City, NJ
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility
Atlantic City, NJ
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).