January weather forecast
Wilmington, NC

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A creative creation on a large field in Wilmington, North Carolina
A creative creation on a large field in Wilmington, North Carolina

Weather in January

January's weather in Wilmington, North Carolina, USA experiences a notable drop in temperature coming from December. Cold air dominates with the lowest monthly average temperature reaching only 54°F (12.2°C). Precipitation also begins to increase making the city a bit more damp and chillier. However, the cold is usually not severe enough to hinder activities as there's still a considerable amount of daylight hours. Trails and walks on the beach can still be enjoyable despite the cool breeze.

Temperature

Temperature records mark January as the coldest month, with highs averaging 54°F (12.2°C) and lows at 40.1°F (4.5°C).

Humidity

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

Rainfall

January is the month with the least rainfall. Rain falls for 11.9 days and accumulates 1.93" (49mm) of precipitation.

Snowfall

Months with snowfall in Wilmington are January through March. The month with the most snowfall is January, when snow falls for 0.8 days and typically aggregates up to 0.75" (19mm) of snow.

Ocean temperature

In Wilmington, in January, the average water temperature is 60.8°F (16°C).
Note: In water of 60.8°F (16°C), the majority of people do not enjoy swimming. Breathing becomes increasingly hard to manage as the temperature drops from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Wilmington, the average length of the day in January is 10h and 11min.
On the first day of the month, sunrise is at 7:17 am and sunset at 5:12 pm. On the last day of January, in Wilmington, sunrise is at 7:09 am and sunset at 5:40 pm EST.

Sunshine

The average sunshine in January is 5.6h.

UV index

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 3 translates into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What is the coldest month in Wilmington?

January stands out as Wilmington's coldest month, with temperatures ranging between an average high of 54°F (12.2°C) and a low of 40.1°F (4.5°C).

What is the temperature in January in Wilmington?

In January, the average high-temperature and low-temperature in Wilmington, North Carolina, are 54°F (12.2°C) and 40.1°F (4.5°C) respectively.

What are the least humid months in Wilmington?

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

What is the average humidity in January in Wilmington?

The average relative humidity in January in Wilmington, North Carolina, is 73%.

What is the driest month in Wilmington?

January is the month with the least rainfall. Rain falls for 11.9 days and accumulates 1.93" (49mm) of precipitation.

How much does it rain in Wilmington in January?

In Wilmington, North Carolina, in January, it is raining for 11.9 days, with typically 1.93" (49mm) of accumulated precipitation.

What is the snowiest month in Wilmington?

The month with the most snowfall in Wilmington is January, when snow falls for 0.8 days and typically aggregates up to 0.75" (19mm) of snow.

When does it start to snow in Wilmington?

January is the first month it typically snows in Wilmington, North Carolina. Throughout January, in the average 0.8 snowfall days, it receives 0.75" (19mm) of snow.

How cold is the water in January in Wilmington?

In January, the average ocean temperature 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 Wilmington have in January?

In January, the average day length in Wilmington, North Carolina, is 10h and 11min.

When is the sunrise / sunset in January in Wilmington?

In January, on the first day of the month, sunrise is at 7:17 am and sunset at 5:12 pm. On the last day of the month, in Wilmington, North Carolina, sunrise is at 7:09 am and sunset at 5:40 pm EST.

How long on average sun shines in January in Wilmington?

In Wilmington, North Carolina, the average sunshine duration in January is 5.6h.

When is the lowest UV index in Wilmington?

The months with the lowest UV index in Wilmington, North Carolina, are January, February and December, with an average maximum UV index of 3.

How high is the UV index in January in Wilmington?

In Wilmington, the average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
58.1°F 14.5°C
54°F 12.2°C
57.7°F 14.3°C
Average low temperature
45.5°F 7.5°C
40.1°F 4.5°C
43°F 6.1°C
Average pressure
30.13" 765mmHg
30.13" 765mmHg
30.1" 765mmHg
Average wind speed
8.7mph 14km/h
8.9mph 14.3km/h
9.3mph 15km/h
Average max. wind speed
9.3mph 15km/h
9.5mph 15.3km/h
9.9mph 15.9km/h
Average wind speed gusts
13.8mph 22.2km/h
13.9mph 22.4km/h
14.5mph 23.3km/h
Average humidity
77%
73%
74%
Average rainfall
3.43" 87mm
1.93" 49mm
2.36" 60mm
Average rainfall days
11.6
11.9
11.2
Average snowfall
0" 0mm
0.75" 19mm
0.04" 1mm
Average snowfall days
0.1
0.8
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 3min
5h 4min
5h 5min
Average sunshine days
17.5
17.1
15.1
Average UV index
3
3
3
Average cloud cover
40%
37%
40%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Wilmington, NC

Average temperature in January - Wilmington, NC
  • Average high temperature in January: 54°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (54°F).

  • Average low temperature in January: 40.1°F

The month with the highest average low temperature is July (75.4°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).

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Average pressure in January
Wilmington, NC

Average pressure in January - Wilmington, NC
  • Average pressure in January: 30.13"Hg

The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in January
Wilmington, NC

Average wind speed in January - Wilmington, NC
  • Average wind speed in January: 8.9mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in January
Wilmington, NC

Average humidity in January - Wilmington, NC
  • Average humidity in January: 73%

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

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Average rainfall in January
Wilmington, NC

Average rainfall in January - Wilmington, NC
  • Average rainfall in January: 1.93"

The wettest month (with the highest rainfall) is August (5.59").
The driest month (with the least rainfall) is January (1.93").

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Average rainfall days in January
Wilmington, NC

Average rainfall days in January - Wilmington, NC
  • Average rainfall days in January: 11.9 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (10.6 days).

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Average snowfall in January
Wilmington, NC

Average snowfall in January - Wilmington, NC
  • Average snowfall in January: 0.75"

The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in January
Wilmington, NC

Average snowfall days in January - Wilmington, NC
  • Average snowfall days in January: 0.8 days

The month with the highest number of snowfall days is January (0.8 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
Wilmington, NC

Average sea temperature in January - Wilmington, 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
Wilmington, NC

Average daylight in January / Average sunshine in January - Wilmington, 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 months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in January
Wilmington, NC

Average sunshine days in January - Wilmington, NC
  • Average sunshine days in January: 17.1 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is August (6.3 days).

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Average UV index in January
Wilmington, NC

Average UV index in January - Wilmington, NC
  • Average UV index in January: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in January
Wilmington, NC

Average cloud cover in January - Wilmington, NC
  • Average cloud cover in January: 37

The months with the most cloud cover are February and December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 27).

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Average visibility in January
Wilmington, NC

Average visibility in January - Wilmington, 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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Wilmington, North Carolina, USA

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