January weather forecast
Oak Island, NC

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Weather in January

In January, Oak Island, North Carolina, witnesses the year's start with colder temperatures when compared to the months before and after. Coats are a necessity as occasional gusty winds reach speeds of 16.9mph (27.2km/h). Continual changes in weather can be expected within a day and across the month. The island's quaint beauty is maintained with its sea touching 59.4°F (15.2°C), providing a calming influence to the otherwise chilling weather. Despite the low temperature, the daylight and sunlight hours signal ample times to enjoy outdoor activities, maintaining the island's busy yet tranquil vibe all year round.

Temperature

January, with an average high of 55°F (12.8°C) and a low of 43.7°F (6.5°C), signifies the coldest month of the year.

Humidity

The months with the lowest humidity are January, March, October and November, with an average relative humidity of 74%.

Rainfall

The month with the least rainfall is January, when the rain falls for 9.8 days and typically collects 0.83" (21mm) of precipitation.

Snowfall

The only month with snowfall is January. January is the month with the most snowfall. Snow falls for 0.3 days and accumulates 0.04" (1mm) of snow.

Ocean temperature

In January, the average ocean temperature is 59.4°F (15.2°C).
Note: The enjoyment of swimming decreases for most when the surface water temperature is 59.4°F (15.2°C). Breathing control becomes increasingly challenging as temperatures descend below 69.8°F (21°C).

Daylight

In Oak Island, the average length of the day in January is 10h and 12min.
On the first day of the month, sunrise is at 7:17 am and sunset at 5:14 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:41 pm EST.

Sunshine

In Oak Island, the average sunshine in January is 5.6h.

UV index

January is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 3 in January translates into these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What month is the coldest in Oak Island?

With average high and low temperatures of 55°F (12.8°C) and 43.7°F (6.5°C) respectively, January is Oak Island's coldest month.

What is the temperature in January in Oak Island?

The average high-temperature, in January, in Oak Island, is 55°F (12.8°C), while the average low-temperature is 43.7°F (6.5°C).

What is the least humid month in Oak Island?

The months with the lowest humidity are January, March, October and November, with an average relative humidity of 74%.

What is the average humidity in January in Oak Island?

The average relative humidity in January in Oak Island is 74%.

What is the driest month in Oak Island?

The month with the least rainfall in Oak Island, North Carolina, is January, when the rain falls for 9.8 days and typically collects 0.83" (21mm) of precipitation.

How much does it rain in Oak Island in January?

In Oak Island, during January, the rain falls for 9.8 days and regularly aggregates up to 0.83" (21mm) of precipitation.

When does it snow the most in Oak Island?

January is the month with the most snowfall. Snow falls for 0.3 days and accumulates 0.04" (1mm) of snow.

When does it start snowing in Oak Island?

January is the first month it typically snows. Throughout January, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

What is the ocean temperature in January in Oak Island?

In Oak Island, North Carolina, in January, the average water temperature is 59.4°F (15.2°C). Swimming in 59.4°F (15.2°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in January in Oak Island?

In January, the average day length in Oak Island, North Carolina, is 10h and 12min.

When are sunrise and sunset in January in Oak Island?

On the first day of January in Oak Island, sunrise is at 7:17 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:41 pm EST.

How many hours of sunshine does Oak Island have in January?

The average sunshine duration in January is 5.6h.

When is the lowest UV index in Oak Island?

January is the month with the lowest UV index in Oak Island, North Carolina, with an average maximum UV index of 3.

What is the UV index intensity in January in Oak Island?

In January, the average daily maximum UV index in Oak Island, North Carolina, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
59.4°F 15.2°C
55°F 12.8°C
57.7°F 14.3°C
Average low temperature
48.9°F 9.4°C
43.7°F 6.5°C
46°F 7.8°C
Average pressure
30.12" 765mmHg
30.13" 765mmHg
30.1" 765mmHg
Average wind speed
10.8mph 17.4km/h
11.1mph 17.9km/h
11.6mph 18.7km/h
Average max. wind speed
11.5mph 18.5km/h
11.8mph 19km/h
12.2mph 19.6km/h
Average wind speed gusts
16.8mph 27km/h
16.9mph 27.2km/h
17.8mph 28.6km/h
Average humidity
77%
74%
75%
Average rainfall
2.28" 58mm
0.83" 21mm
1.14" 29mm
Average rainfall days
10.7
9.8
9.8
Average snowfall
0" 0mm
0.04" 1mm
0" 0mm
Average snowfall days
0.1
0.3
0
Average sea temperature
61.6°F 16.4°C
59.4°F 15.2°C
56.1°F 13.4°C
Average daylight
9h 5min
10h 1min
11h 0min
Average sunshine
5h 3min
5h 4min
6h 0min
Average sunshine days
18.4
19.2
16.7
Average UV index
4
3
4
Average cloud cover
41%
37%
40%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Oak Island, NC

Average temperature in January - Oak Island, NC
  • Average high temperature in January: 55°F

The warmest months (with the highest average high temperature) are July and August (85.6°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in January: 43.7°F

The month with the highest average low temperature is July (77.4°F).
The coldest month (with the lowest average low temperature) is January (43.7°F).

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Average pressure in January
Oak Island, NC

Average pressure in January - Oak Island, 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
Oak Island, NC

Average wind speed in January - Oak Island, NC
  • Average wind speed in January: 11.1mph

The windiest month (with the highest average wind speed) is February (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

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Average humidity in January
Oak Island, NC

Average humidity in January - Oak Island, NC
  • Average humidity in January: 74%

The month with the highest relative humidity is June (78%).
The months with the lowest relative humidity are January, March, October and November (74%).

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Average rainfall in January
Oak Island, NC

Average rainfall in January - Oak Island, NC
  • Average rainfall in January: 0.83"

The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is January (0.83").

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Average rainfall days in January
Oak Island, NC

Average rainfall days in January - Oak Island, NC
  • Average rainfall days in January: 9.8 days

The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is November (8.4 days).

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Average snowfall in January
Oak Island, NC

Average snowfall in January - Oak Island, NC
  • Average snowfall in January: 0.04"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in January
Oak Island, NC

Average snowfall days in January - Oak Island, NC
  • Average snowfall days in January: 0.3 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, April, May, June, July, August, September, October and November (0 days).

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Average sea temperature in January
Oak Island, NC

Average sea temperature in January - Oak Island, NC
  • Average sea temperature in January: 59.4°F

The best month for swimming (with the highest average sea temperature) is August (82.7°F).
The coldest month (with the lowest average sea temperature) is March (56°F).

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Average daylight in January /
Average sunshine in January
Oak Island, NC

Average daylight in January / Average sunshine in January - Oak Island, 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
Oak Island, NC

Average sunshine days in January - Oak Island, NC
  • Average sunshine days in January: 19.2 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is August (7.8 days).

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Average UV index in January
Oak Island, NC

Average UV index in January - Oak Island, 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
Oak Island, NC

Average cloud cover in January - Oak Island, NC
  • Average cloud cover in January: 37

The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in January
Oak Island, NC

Average visibility in January - Oak Island, 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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Oak Island, North Carolina, USA

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