Climate and monthly weather forecastTopsail Beach, NC
Climate and monthly weather forecast
The climate of Topsail Beach
Topsail Beach, North Carolina, USA, primarily experiences a Cfa type of climate, according to the Köppen climate classification. This denotes a humid subtropical climate, with no dry season. Geographically, the location is positioned in the southeastern portion of the United States, bordered by the Atlantic Ocean.A classic characteristic of this humid subtropical climate is the relatively mild winters and hot, humid summers. Weather conditions remain consistently humid throughout the year, with relative humidity values sticking around the mid-70% range.
The annual average high temperature fluctuates from 54.5°F (12.5°C) in January to a peak of 86.5°F (30.3°C) in July, while average lows register between 42.4°F (5.8°C) and 77°F (25°C) within the same months. Precipitation is distributed significantly, with the highest recorded rainfall in August amounting to 2.91" (74mm). Interestingly, the month of August also records the maximum number of rainy days, with an average of 19.5 days experiencing some amount of rainfall.
Weather conditions unique to Topsail Beach include negligible snowfall registered over the years, even during the colder months. Moreover, the place benefits from the oceanic influence, shown by the sea surface temperatures that vary from 60.7°F (15.9°C) to 82.8°F (28.2°C) from January to August, providing year-round water activities.
The best time to visit Topsail Beach
While beauty dwells year-round in Topsail Beach, the most pleasant months for visitors would typically be between May and October. During this time, the average high temperatures range from 69.4°F (20.8°C) to 85.8°F (29.9°C) allowing for pleasant beach activities. Moreover, the sea temperatures exceed 64.9°F (18.3°C), offering lovely conditions for swimming, surfing, and other water sports.The worst time to visit Topsail Beach
On the flip side of the coin, the least attractive months for visitors could be from November to March. During these months, the average high temperatures remain below 63.5°F (17.5°C), with minimum temperatures possibly dipping down to 42.4°F (5.8°C). Although these months are not excessively cold, the chilly winds and lower temperatures can limit beach activities, making it less appealing to visitors seeking warmer beach conditions.Spring weather in Topsail Beach
Spring in Topsail Beach begins from March and lasts until May, during which temperatures start to climb. The temperature averages range from highs of 61.9°F (16.6°C) to 77.4°F (25.2°C) and lows of 49.6°F (9.8°C) to 66.9°F (19.4°C). Rainfall during these months increases from 1.3" (33mm) to 1.97" (50mm). Still, the sea temperatures also escalate from 58.5°F (14.7°C) to 70.7°F (21.5°C), gradually setting up the environment for delightful water activities.Summer weather in Topsail Beach
Topsail Beach experiences summer from June to August. The temperature averages during these months are quite high, peaking at 86.5°F (30.3°C) in July and exhibiting lows at 76.3°F (24.6°C) to 77°F (25°C). Rainfall is also at its highest during these months, signaling a wet season with 1.97" (50mm) to 2.91" (74mm) of recorded rainfall. Despite the rain, the sea temperatures are attractively warm, exceeding 78.2°F (25.7°C), making this a perfect time for travelers seeking to engage in sea adventures.Autumn weather in Topsail Beach
Autumn descends upon Topsail Beach from September to November. During these months, the temperature averages progressively decrease from highs of 81.9°F (27.7°C) to 63.5°F (17.5°C), and lows from 72°F (22.2°C) to 52°F (11.1°C). Rainfall begins to decrease as well, down to 1.3" (33mm) in November. The usually warm sea temperatures gradually cool down from 80.4°F (26.9°C) to 67.9°F (19.9°C), slashing the opportunities for water sports.Winter weather in Topsail Beach
Winter at Topsail Beach spans from December to February. The temperature averages during these months range from highs of 54.5°F (12.5°C) to 57.4°F (14.1°C) and lows from 42.4°F (5.8°C) to 44.4°F (6.9°C). The winter months also record the lowest rainfall measures down to 0.79" (20mm) in December. Snowfall is negligible, with only trace amounts of 0.04" (1mm) reported once in a decade. The colder winter months also result in sea temperatures dipping to its lowest at 60.7°F (15.9°C) in January, making it less suitable for swimming and water-based activities.Weather in January
In Topsail Beach, North Carolina, January brings with it the coldest temperatures of the year. The mild winter, in general, is marked by the lowest daylight hours, UV index, and sea temperature. This month exhibits the phenomenon of lower atmospheric pressure, contrasted by higher cloud coverage and humidity. Weather in January »Weather in February
Following January, February also remains cooler, although a slight rise in the average high temperature to 57.4°F (14.1°C) begins to set the pace for the coming spring. The wind speed now reaches up to 16.5mph (26.6km/h), making it a blustery transition from winter. Weather in February »Weather in March
March signals the onset of spring with a noticeable jump in the temperature, up to an average high of 61.9°F (16.6°C). A significant increase of daylight hours to 12 aids in this warming trend. The UV index also climbs, hinting at the arrival of more sun-filled days. Weather in March »Weather in April
In April, the pleasant progression of spring is fully realized with warmer temperatures, longer daylight hours, and a reduction in overall cloud cover. This month also brings about an increase in both the sea temperature and humidity. Weather in April »Weather in May
May marks the threshold of summer in Topsail Beach, highlighted by a significant temperature hike to an average high of 77.4°F (25.2°C). The sea now serves as a tempting delight, its temperature escalating to a balmy 70.7°F (21.5°C). Weather in May »Weather in June
The transition to summer is complete by June, with bountiful sunshine and highs often exceeding 83.8°F (28.8°C). The pleasant weather encourages outdoor activities, boosted by sea temperatures reaching 78.2°F (25.7°C). The highest UV index of the year at 7 suggests the need for sun protection throughout daylight hours. Weather in June »Weather in July
Hot and humid, July is the heart of summer in Topsail Beach with temperatures often peaking at 86.5°F (30.3°C). This month witnesses the highest sea temperature, reaching up to 82°F (27.8°C). With high humidity levels, thunderstorms become a frequent occurrence. Weather in July »Weather in August
In August, Topsail Beach continues to bask in high temperatures, with an average high of 85.8°F (29.9°C). The sultry summer air is complemented by the warm sea, which remains at a peak temperature of 82.8°F (28.2°C). While the daylight hours and UV index begin their descent, the humidity remains prevalent, resulting in heavy afternoon showers, peaking at 2.87" (73mm) of rainfall on average. Weather in August »Weather in September
The arrival of September in Topsail Beach signifies a mild retreat from summer, with temperatures lowering to an average high of 81.9°F (27.7°C). The sea remains invitingly warm, with temperatures averaging 80.4°F (26.9°C). Weather in September »Weather in October
October ushers in the unmistakable feel of fall, the change being primarily driven by the decline in average temperatures to 73.6°F (23.1°C). Cooler nights and shorter days are characteristic of this month, along with a decrease in humidity levels. Weather in October »Weather in November
November showcases a marked departure from the warmth of fall, with temperatures dipping to an average high of 63.5°F (17.5°C). The arrival of more chilled winds, with gust speeds of 15.4mph (24.8km/h), foretells the imminent arrival of winter. Weather in November »Weather in December
As the year draws to a close, December greets Topsail Beach with the advent of the winter chill, the temperature hovering at an average high of 58.5°F (14.7°C). The sea temperature descends further to 62.7°F (17.1°C), marking a completion of the temperature's cyclical journey throughout the year. Weather in December »Updated: Aug 10, 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
January, known for its average high temperature of 54.5°F (12.5°C) and an average low temperature of 42.4°F (5.8°C), is the coldest month.
The months with the lowest humidity are January and March, with an average relative humidity of 73%.
The month with the least rainfall is January, when the rain falls for 8.8 days and typically collects 0.79" (20mm) of precipitation.
Throughout the year, there are 150.4 rainfall days, and 20.79" (528mm) of precipitation is accumulated.
January, February and December are months with snowfall.
The months with the most snowfall are January, February and December, with an average 0.04" (1mm) of accumulated snow.
Throughout the year, there are 0.8 snowfall days, and 0.12" (3mm) of snow is accumulated.
The month with the lowest UV index is January, with an average maximum UV index of 3.
The month with the coldest seawater is February, with an average ocean temperature of 57.6°F (14.2°C).
March through November are months without snowfall.
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.
The month with the longest days is June, with an average of 14h and 24min of daylight.
June through August, with an average maximum UV index of 7, are months with the highest UV index.
July, marked by an average high-temperature of 86.5°F (30.3°C) and a low-temperature of 77°F (25°C), is the warmest month.
With an average of 11h of sunshine, July has the most sunshine of the year.
The months with the highest humidity are August and December, with an average relative humidity of 77%.
The month with the warmest seawater is August, with an average ocean temperature of 82.8°F (28.2°C).
September is the month with the most rainfall. Rain falls for 14.4 days and accumulates 2.91" (74mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 54min of daylight.
December has the least sunshine of the year, with an average of 5.6h of sunshine.
Average temperature
Topsail Beach, NC
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (54.5°F).
The month with the highest average low temperature is July (77°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure
Topsail Beach, NC
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
30.03"Hg - Average pressure in May:
30.03"Hg - Average pressure in June:
29.97"Hg
- Average pressure in July:
29.99"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed
Topsail Beach, NC
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.7mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.8mph - Average wind speed in June:
9.3mph
- Average wind speed in July:
9.4mph - Average wind speed in August:
8.2mph - Average wind speed in September:
9.3mph - Average wind speed in October:
9.9mph - Average wind speed in November:
10mph - Average wind speed in December:
10.1mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity
Topsail Beach, NC
The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall
Topsail Beach, NC
- Average rainfall in January:
0.79" - Average rainfall in February:
0.94" - Average rainfall in March:
1.3" - Average rainfall in April:
1.77" - Average rainfall in May:
1.97" - Average rainfall in June:
1.97"
The wettest month (with the highest rainfall) is September (2.91").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days
Topsail Beach, NC
- Average rainfall days in January:
8.8 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
11.4 days - Average rainfall days in April:
12.1 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
17.6 days - Average rainfall days in August:
19.5 days - Average rainfall days in September:
14.4 days - Average rainfall days in October:
9.1 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
9.6 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is November (8.2 days).
Average snowfall
Topsail Beach, NC
The months with the highest snowfall are January, February and December (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Topsail Beach, NC
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.3 days - Average snowfall days in March:
0.1 days - Average snowfall days in April:
0 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 days - Average snowfall days in December:
0.1 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Topsail Beach, NC
The best month for swimming (with the highest average sea temperature) is August (82.8°F).
The coldest month (with the lowest average sea temperature) is February (57.5°F).
Average daylight / Average sunshine
Topsail Beach, NC
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
5h and 42min - Average sunshine in February:
5h and 54min - Average sunshine in March:
7h and 24min - Average sunshine in April:
9h and 54min - Average sunshine in May:
10h and 18min - Average sunshine in June:
10h and 54min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 48min - Average sunshine in September:
9h and 36min - Average sunshine in October:
6h and 18min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days
Topsail Beach, NC
- Average sunshine days in January:
20 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
16.9 days - Average sunshine days in April:
15.3 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
9.2 days
- Average sunshine days in July:
8.9 days - Average sunshine days in August:
8.2 days - Average sunshine days in September:
13.1 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
19.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (8.2 days).
Average UV index
Topsail Beach, NC
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover
Topsail Beach, NC
The months with the most cloud cover are February and December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility
Topsail Beach, NC
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).
