December weather forecast and climate
Oak Island, NC

Weather in December

December, the first month of the winter, in Oak Island, is still a mild month, with average temperature fluctuating between 48.9°F (9.4°C) and 59.4°F (15.2°C).

Temperature

In Oak Island, the average high-temperature in December is relatively the same as in November - a moderate 59.4°F (15.2°C). In December, the average low-temperature is 48.9°F (9.4°C).

Humidity

In Oak Island, the average relative humidity in December is 77%.

Rainfall

In December, the rain falls for 10.7 days. Throughout December, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 157.9 rainfall days, and 24.69" (627mm) of precipitation is accumulated.

Snowfall

In Oak Island snow does not fall in February through December.

Ocean temperature

In December, the average ocean temperature is 61.5°F (16.4°C).
Note: For most, swimming in 61.5°F (16.4°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

With an average of 9.9h of daylight, December has the shortest days of the year.

Sunshine

The month with the least sunshine in Oak Island is December, with an average of 5.5h of sunshine.

UV index

In Oak Island, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 4 in December interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the temperature in December in Oak Island?

The average high-temperature, in December, in Oak Island, North Carolina, is 59.4°F (15.2°C), while the average low-temperature is 48.9°F (9.4°C).

What is the average humidity in December in Oak Island?

In Oak Island, the average relative humidity in December is 77%.

How much does it rain in Oak Island in December?

In Oak Island, North Carolina, in December, during 10.7 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

Does it snow in Oak Island in December?

In Oak Island, in December, it doesn't snow. In January, it regularly snows.

When it does not snow in Oak Island?

In Oak Island, North Carolina, snow does not fall in February through December.

How cold is the water in December in Oak Island?

In Oak Island, in December, the average water temperature is 61.5°F (16.4°C). For swimming, a surface water temperature of 61.5°F (16.4°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).

What is the month with the shortest days in Oak Island?

With an average of 9.9h of daylight, December has the shortest days of the year in Oak Island, North Carolina.

How many hours of daylight does Oak Island have in December?

The average length of the day in December in Oak Island is 9.9h.

What is the month with the least sunshine in Oak Island?

December has the least sunshine of the year in Oak Island, North Carolina, with an average of 5.5h of sunshine.

How long on average sun shines in December in Oak Island?

In December, the average sunshine is 5.5h.

How high is the UV index in December in Oak Island?

In December, the average daily maximum UV index in Oak Island is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.

Average temperature in December
Oak Island, NC

Average temperature in December - Oak Island, NC
  • Average high temperature in December: 59.4°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 December: 48.9°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).

[Resources]

Average pressure in December
Oak Island, NC

Average pressure in December - Oak Island, NC
  • Average pressure in December: 30.12"

The month with the highest atmospheric pressure is January (30.13").
The month with the lowest atmospheric pressure is June (29.97").

[Resources]

Average wind speed in December
Oak Island, NC

Average wind speed in December - Oak Island, NC
  • Average wind speed in December: 10.8mph

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).

[Resources]

Average humidity in December
Oak Island, NC

Average humidity in December - Oak Island, NC
  • Average humidity in December: 77%

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

[Resources]

Average rainfall in December
Oak Island, NC

Average rainfall in December - Oak Island, NC
  • Average rainfall in December: 2.28"

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

[Resources]

Average rainfall days in December
Oak Island, NC

Average rainfall days in December - Oak Island, NC
  • Average rainfall days in December: 10.7 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).

[Resources]

Average snowfall in December
Oak Island, NC

Average snowfall in December - Oak Island, NC
  • Average snowfall in December: 0"

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

[Resources]

Average snowfall days in December
Oak Island, NC

Average snowfall days in December - Oak Island, NC
  • Average snowfall days in December: 0.1 days

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

[Resources]

Average sea temperature in December
Oak Island, NC

Average sea temperature in December - Oak Island, NC
  • Average sea temperature in December: 61.6°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).

[Resources]

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

Average daylight in December / Average sunshine in December - Oak Island, NC
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 5.5h

Months with the most sunshine are June and July (Average sunshine: 10.8h).
The month with the least sunshine is December (Average sunshine: 5.5h).

[Resources]

Average sunshine days in December
Oak Island, NC

Average sunshine days in December - Oak Island, NC
  • Average sunshine days in December: 18.4 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).

[Resources]

Average UV index in December
Oak Island, NC

Average UV index in December - Oak Island, NC
  • Average UV index in December: 4

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).

[Resources]

Average cloud cover in December
Oak Island, NC

Average cloud cover in December - Oak Island, NC
  • Average cloud cover in December: 41

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

[Resources]

Average visibility in December
Oak Island, NC

Average visibility in December - Oak Island, NC
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]