January weather forecast
Topsail Beach, NC

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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. Wind speeds tend to hover between 10.3mph (16.6km/h) and a gusting 15.8mph (25.4km/h), adding a chilling bite to the air. The presence of snowfall, though minimal at 0.04" (1mm), also contributes to the coolness of this month.

Temperature

With an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 42.4°F (5.8°C), January is the coldest month in Topsail Beach, North Carolina.

Humidity

January and March, with an average relative humidity of 73%, are the least humid months in Topsail Beach.

Rainfall

The month with the least rainfall is January, when the rain falls for 8.8 days and typically collects 0.79" (20mm) of precipitation.

Snowfall

January, February and December are months with snowfall. The months with the most snowfall in Topsail Beach, North Carolina, are January, February and December, with an average 0.04" (1mm) of accumulated snow.

Ocean temperature

In Topsail Beach, the average seawater temperature in January is 60.8°F (16°C).
Note: For the majority, swimming in 60.8°F (16°C) does not offer a pleasant experience. Below 69.8°F (21°C), the difficulty in controlling breathing escalates.

Daylight

In January, the average length of the day is 10h and 10min.
On the first day of January, sunrise is at 7:16 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:38 pm EST.

Sunshine

The average sunshine in January is 5.7h.

UV index

The month with the lowest UV index is January, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 3 during January translates into the following guidance:
Undertake precautions - It is suggested to shield oneself from sunburn. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Frequently asked questions

What is the coldest month in Topsail Beach?

January is the coldest month in Topsail Beach, exhibiting average temperatures of 54.5°F (12.5°C) at the peak and 42.4°F (5.8°C) at the base.

What are January temperatures in Topsail Beach?

In Topsail Beach, 54.5°F (12.5°C) is the average high-temperature and 42.4°F (5.8°C) is the average low-temperature during January.

What are the least humid months in Topsail Beach?

January and March, with an average relative humidity of 73%, are the least humid months in Topsail Beach, North Carolina.

What is the average humidity in January in Topsail Beach?

The average relative humidity in January is 73%.

What is the driest month in Topsail Beach?

The month with the least rainfall in Topsail Beach, North Carolina, is January, when the rain falls for 8.8 days and typically collects 0.79" (20mm) of precipitation.

How much does it rain in Topsail Beach in January?

In Topsail Beach, in January, it is raining for 8.8 days, with typically 0.79" (20mm) of accumulated precipitation.

What is the snowiest month in Topsail Beach?

The months with the most snowfall are January, February and December, with an average 0.04" (1mm) of accumulated snow.

How much does it snow in Topsail Beach in January?

In Topsail Beach, in January, during 0.3 snowfall days, 0.04" (1mm) of snow is typically accumulated.

What is the ocean temperature in January in Topsail Beach?

In January, the average ocean temperature in Topsail Beach, North Carolina, is 60.8°F (16°C). For swimming, a surface water temperature of 60.8°F (16°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Topsail Beach have in January?

In January, the average day length in Topsail Beach is 10h and 10min.

When is the sunrise / sunset in January in Topsail Beach?

In January, on the first day of the month, sunrise is at 7:16 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:38 pm EST.

How long on average sun shines in January in Topsail Beach?

In January, the average sunshine duration in Topsail Beach is 5.7h.

What is the month with the lowest UV index in Topsail Beach?

With an average maximum UV index of 3, January is the month with the lowest UV index in Topsail Beach.

How high is the UV index in January in Topsail Beach?

In January, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
58.5°F 14.7°C
54.5°F 12.5°C
57.4°F 14.1°C
Average low temperature
47.3°F 8.5°C
42.4°F 5.8°C
44.4°F 6.9°C
Average pressure
30.12" 765mmHg
30.13" 765mmHg
30.1" 765mmHg
Average wind speed
10.1mph 16.3km/h
10.3mph 16.6km/h
10.7mph 17.2km/h
Average max. wind speed
10.8mph 17.4km/h
10.9mph 17.5km/h
11.4mph 18.3km/h
Average wind speed gusts
15.7mph 25.3km/h
15.8mph 25.4km/h
16.5mph 26.6km/h
Average humidity
77%
73%
74%
Average rainfall
1.81" 46mm
0.79" 20mm
0.94" 24mm
Average rainfall days
9.6
8.8
8.8
Average snowfall
0.04" 1mm
0.04" 1mm
0.04" 1mm
Average snowfall days
0.1
0.3
0.3
Average sea temperature
62.7°F 17.1°C
60.7°F 15.9°C
57.5°F 14.2°C
Average daylight
9h 5min
10h 1min
11h 0min
Average sunshine
5h 4min
5h 4min
5h 5min
Average sunshine days
19.3
20
16.8
Average UV index
4
3
4
Average cloud cover
39%
36%
39%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Topsail Beach, NC

Average temperature in January - Topsail Beach, NC
  • Average high temperature in January: 54.5°F

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).

  • Average low temperature in January: 42.4°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).

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Average pressure in January
Topsail Beach, NC

Average pressure in January - Topsail Beach, NC
  • Average pressure in January: 30.13"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).

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Average wind speed in January
Topsail Beach, NC

Average wind speed in January - Topsail Beach, NC
  • Average wind speed in January: 10.3mph

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).

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Average humidity in January
Topsail Beach, NC

Average humidity in January - Topsail Beach, NC
  • Average humidity in January: 73%

The months with the highest relative humidity are August and December (77%).
The months with the lowest relative humidity are January and March (73%).

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Average rainfall in January
Topsail Beach, NC

Average rainfall in January - Topsail Beach, NC
  • Average rainfall in January: 0.79"

The wettest month (with the highest rainfall) is September (2.91").
The driest month (with the least rainfall) is January (0.79").

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Average rainfall days in January
Topsail Beach, NC

Average rainfall days in January - Topsail Beach, NC
  • Average rainfall days in January: 8.8 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).

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Average snowfall in January
Topsail Beach, NC

Average snowfall in January - Topsail Beach, NC
  • Average snowfall in January: 0.04"

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").

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Average snowfall days in January
Topsail Beach, NC

Average snowfall days in January - Topsail Beach, NC
  • Average snowfall days in January: 0.3 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).

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Average sea temperature in January
Topsail Beach, NC

Average sea temperature in January - Topsail Beach, NC
  • Average sea temperature in January: 60.7°F

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).

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Average daylight in January /
Average sunshine in January
Topsail Beach, NC

Average daylight in January / Average sunshine in January - Topsail Beach, NC
  • Average daylight in January: 10h and 1min

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 4min

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).

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Average sunshine days in January
Topsail Beach, NC

Average sunshine days in January - Topsail Beach, NC
  • Average sunshine days in January: 20 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).

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Average UV index in January
Topsail Beach, NC

Average UV index in January - Topsail Beach, NC
  • Average UV index in January: 3

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).

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Average cloud cover in January
Topsail Beach, NC

Average cloud cover in January - Topsail Beach, NC
  • Average cloud cover in January: 36

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).

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Average visibility in January
Topsail Beach, NC

Average visibility in January - Topsail Beach, NC
  • Average visibility in January: 6mi

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).

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Topsail Beach, North Carolina, USA

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