Climate and monthly weather forecast
Newark, NJ

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A mirrored reflection of Newark City in New Jersey, on the Passaic River
A mirrored reflection of Newark City in New Jersey, on the Passaic River

Climate and monthly weather forecast

The climate of Newark

Newark, situated in New Jersey, USA, experiences a Humid subtropical climate with no dry season according to the Köppen climate classification, labeled as Cfa. This implies an environment with hot, humid summers and mild winters, with rainfall being a constant element throughout the year.

Examining the data shows a landscape heavily influenced by seasonal shifts. Variations in temperature span from a minimum monthly average of 25.7°F (-3.5°C) in the coldest month to a maximum average of 83.1°F (28.4°C) during the hottest month. Rainfall averages range from a minimum of 1.65" (42mm) to as much as 3.19" (81mm) in the wettest months. Snowfall, primarily seen from the last month of the year to the third month, ranges from a low of 0.2" (5mm) up to 3.46" (88mm).

As for the amount of sunshine, Newark receives between 4.8 hours per day in the less sunny months and up to 10.6 hours during the sunniest month. Moving onto other weather parameters, the city has an average cloud coverage between 30% to 47%. The wind speed in Newark primarily fluctuates between a minimum of 6.3mph (10.1km/h) to a maximum average of 9.8mph (15.8km/h). A noteworthy characteristic is observed in humidity, which remains largely constant over the year with a slight fluctuation between 72% to 76%.

The best time to visit Newark

Based on climate data, the optimal period to visit Newark would be during late spring and early summer, typically between May and June. At this time, the average high temperature ranges from 68.2°F (20.1°C) to 76.6°F (24.8°C), providing warm yet not overly hot conditions ideal for outdoor activities. Additionally, daylight hours are the longest, ranging from 14.5 to 15.1 hours per day, allowing plenty of daylight for exploring the city.

The worst time to visit Newark

The less preferable period to visit Newark appears to be during the winter months, specifically between December and February. During this time, the city experiences its lowest temperatures, with average lows dropping to between 25.7°F (-3.5°C) to 27.3°F (-2.6°C), and average highs only reaching between 36.3°F (2.4°C) to 39.2°F (4°C). Also, it's during these months when the city sees most of its snowfall, with an average snowfall ranging from 1.38" (35mm) to 1.97" (50mm).

Spring weather in Newark

Springtime in Newark is characterized by gradually increasing temperatures and increasing daylight hours. Average high temperatures increase from 46.8°F (8.2°C) in March to 57.9°F (14.4°C) in April and then reach 68.2°F (20.1°C) by May. Simultaneously, average low temperatures increase from 34.3°F (1.3°C) to 44.1°F (6.7°C), and then to 53.4°F (11.9°C). The length of daylight during this season extends from 12 hours in March to 13.3 hours in April and 14.5 hours in May, providing more hours for outdoor activities.

Summer weather in Newark

Summers in Newark are typically hot and humid, with the average high temperature peaking at 83.1°F (28.4°C) in July. The lowest average temperature does not dip below 62.1°F (16.7°C). Rainfall is still prevalent, with the wettest month, July, seeing an average rainfall of 3.19" (81mm). These months witness the longest daylight hours, with June having the longest duration of daylight at 15.1 hours.

Autumn weather in Newark

Autumn witnesses a gradual cool down from the hot summer months. September begins with an average high temperature of 74.8°F (23.8°C), which cools down to 63.1°F (17.3°C) in October and then further drops to 51.3°F (10.7°C) in November. Similarly, the average low temperature decreases from 61°F (16.1°C) in September to 50.9°F (10.5°C) in October and 39.7°F (4.3°C) by November. Rainfall remains consistent throughout the season, averaging between 1.65" (42mm) to 2.83" (72mm).

Winter weather in Newark

Winter in Newark is characterized by dropping temperatures and the occasional snowfall. The average high temperature ranges from 51.3°F (10.7°C) in December, dropping to 36.3°F (2.4°C) in January, and slightly rising to 39.2°F (4°C) by February. Average low temperatures fall from 32.9°F (0.5°C) to 25.7°F (-3.5°C) in the same period. Snowfall ranges from 0.2" (5mm) in December to a peak of 1.97" (50mm) in February. Daylight is also the shortest during this season, averaging between 9.3 hours to 9.7 hours.

Weather in January

January in Newark, New Jersey, USA, greets residents with an atmosphere dominated by chilly temperatures and a decent amount of precipitation. An extended period of daylight, reaching up to 9.7 hours per day, allows for enough sunlight despite the wintry conditions. Weather in January »

Weather in February

As February arrives, Newark, New Jersey, USA, continues to experience winter conditions. However subtle, incremental changes in the weather patterns can be noted when compared to January. The daylight period lengthens towards a 10.7 hours average, highlighting the advance towards the spring season. Weather in February »

Weather in March

Moving into March, the winter cold in Newark, New Jersey, USA, begins to recede gradually, paving the way for warmer times ahead. As spring looms closer, the climatic changes become more evident with a noticeable increase in temperature. Weather in March »

Weather in April

April in Newark, New Jersey, USA, marks the onset of spring bringing along milder temperatures and blooming flora. The transition from winter to spring adds a favorable warmth to the atmosphere, inviting residents to enjoy the outdoors. Weather in April »

Weather in May

Continuing its journey towards summer, May in Newark, New Jersey, USA, witnesses climate in full spring mode. As temperatures rise, the city experiences warm and pleasant weather, further enhanced by longer daytime hours. Compared to April, there is an increase in the amount of rainfall, averaging 2.95" (75mm). Weather in May »

Weather in June

As summer slinks into Newark, New Jersey, USA, in June, higher temperatures and more sunlight become the norm. The average UV index of 6 suggests that residents must prepare for heightened UV exposure during these summer months. Extended daylight hours reach up to 15.1 hours, leaving warm evenings for leisure activities. Weather in June »

Weather in July

July brings the peak of summer to Newark, New Jersey, USA, with high temperatures, long daylight hours, and a typical buzz of outdoor activities. Although the cloud% decreases to 30%, the instances of rainfall appear slightly higher. Weather in July »

Weather in August

In August, Newark, New Jersey, USA, continues to bask in the summer heat, albeit with a subtle downturn from the heat peak in July. Despite being one of the hottest months of the year, the average wind speed of 6.4mph (10.3km/h) has a welcoming, cooling effect. Weather in August »

Weather in September

September in Newark, New Jersey, USA nudges towards autumn, causing a gradual decrease in temperatures from their summer highs. This transition month also sees a bit of a dip in the amount of precipitation, averaging 1.65" (42mm) in total. Weather in September »

Weather in October

As October sets foot in Newark, New Jersey, USA, the weather shifts noticeably towards the colder end of the spectrum. The changing hues of foliage become a common sight, underscoring the aesthetics of the fall season. Despite the reduction in daylight hours to approximately 11.1 hours per day, outdoor activities remain enjoyable. Weather in October »

Weather in November

November in Newark, New Jersey, USA, rolls out full-fledged autumn, complete with shorter days and dropping temperatures. It brings along a considerable decrease in sunshine hours, dropping down to 5.6 hours on an average. The average sea temperature also sees a downturn, floating around 54.3°F (12.4°C). Weather in November »

Weather in December

December, the concluding month of the year, plunges Newark, New Jersey, USA, into the depths of winter. The temperature dip becomes readily apparent and a frosty ambiance prevails. December usually receives the highest volume of precipitation, with rainfall averaging 3.19" (81mm). Weather in December »
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?
During the coldest month in Newark, January, temperatures average a high of 36.3°F (2.4°C) and a low of 25.7°F (-3.5°C).
How much does it rain?
In Newark, during the entire year, the rain falls for 161.1 days and collects up to 30.67" (779mm) of precipitation.
When does it snow?
Months with snowfall are January through April, November and December.
How much does it snow?
Throughout the year, there are 20.9 snowfall days, and 8.94" (227mm) of snow is accumulated.
What are the months with the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month?
February, May, October and December, with an average relative humidity of 76%, are most humid months.
What month is the ocean coldest?
The month with the coldest seawater is February, with an average ocean temperature of 39.7°F (4.3°C).
What is the month with the least sunshine?
With an average of 4.8h of sunshine, February has the least sunshine of the year.
What is the snowiest month?
The month with the most snowfall is March, when snow falls for 4.3 days and typically aggregates up to 3.46" (88mm) of snow.
When is Daylight Saving Time (DST)?
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.
What are the least humid months?
April and August, with an average relative humidity of 72%, are the least humid months.
When it does not snow?
May through October are months without snowfall.
When are the longest days?
With an average of 15h and 0min of daylight, June has the longest days of the year.
What are the months with the highest UV index in Newark?
The months with the highest UV index are June through August, with an average maximum UV index of 6.
What are the warmest months?
July, marked by an average high-temperature of 83.1°F (28.4°C) and a low-temperature of 68.9°F (20.5°C), is the warmest month.
What is the wettest month?
The wettest months are July and December, with an average 3.19" (81mm) of rainfall.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.6h of sunshine.
What month is the ocean warmest?
With an average ocean temperature of 74.1°F (23.4°C), August is the month with the warmest seawater.
What is the driest month?
September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 1.65" (42mm) of precipitation.
What is the month with the shortest days in Newark?
December has the shortest days of the year in Newark, with an average of 9h and 18min of daylight.
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Average temperature
Newark, NJ

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (36.3°F).

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure
Newark, NJ

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Newark, NJ

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

Average humidity
Newark, NJ

The months with the highest relative humidity are February, May, October and December (76%).
The months with the lowest relative humidity are April and August (72%).

Average rainfall
Newark, NJ

The wettest months (with the highest rainfall) are July and December (3.19").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days
Newark, NJ

The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is November (9.5 days).

Average snowfall
Newark, NJ

The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Newark, NJ

The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature
Newark, NJ

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

Average daylight / Average sunshine
Newark, NJ

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days
Newark, NJ

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.4 days).

Average UV index
Newark, NJ

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover
Newark, NJ

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 30).

Average visibility
Newark, 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).

°Celsius°Fahrenheit
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