December weather forecast and climate
Harkers Island, NC

The first month of the winter, December, is still a mild month in Harkers Island, North Carolina, with average temperature ranging between max 58.6°F (14.8°C) and min 50.2°F (10.1°C).

Temperature

In December, the average high-temperature is practically the same as in November - a mild 58.6°F (14.8°C). The average low-temperature, in Harkers Island, is 50.2°F (10.1°C).

Humidity

The average relative humidity in December is 77%.

Rainfall

In Harkers Island, during December, the rain falls for 13.3 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Harkers Island, during the entire year, the rain falls for 181.4 days and collects up to 34.76" (883mm) of precipitation.

Snowfall

March through December are months without snowfall in Harkers Island, North Carolina.

Ocean temperature

In December, the average ocean temperature is 66°F (18.9°C).
Note: For most, swimming in 66°F (18.9°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 in Harkers Island, North Carolina.

Sunshine

Months with the least sunshine are January and December, with an average of 5.5h of sunshine.

UV index

In December, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 4 in December transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Harkers Island?

In Harkers Island, in December, the average high-temperature is 58.6°F (14.8°C), and the average low-temperature is 50.2°F (10.1°C).

What is the average humidity in December in Harkers Island?

In December, the average relative humidity is 77%.

How much does it rain in Harkers Island in December?

In Harkers Island, in December, during 13.3 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

Does it snow in Harkers Island in December?

In Harkers Island, North Carolina, in December, it doesn't snow. In January, it regularly snows.

When it does not snow in Harkers Island?

March through December are months without snowfall.

How cold is the water in December in Harkers Island?

In Harkers Island, the average seawater temperature in December is 66°F (18.9°C). Swimming in 66°F (18.9°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 month with the shortest days in Harkers Island?

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

What is the average length of the day in December in Harkers Island?

In Harkers Island, North Carolina, the average length of the day in December is 9.9h.

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

Months with the least sunshine in Harkers Island, North Carolina, are January and December, with an average of 5.5h of sunshine.

How many hours of sunshine does Harkers Island have in December?

In Harkers Island, North Carolina, the average sunshine in December is 5.5h.

What is the UV index intensity in December in Harkers Island?

In Harkers Island, the average daily maximum UV index in December is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in December - Harkers Island, NC
  • Average high temperature in December: 14.8°C

The warmest month (with the highest average high temperature) is July (28.5°C).
The month with the lowest average high temperature is January (12.3°C).

  • Average low temperature in December: 10.1°C

The month with the highest average low temperature is July (25.7°C).
The coldest month (with the lowest average low temperature) is January (7°C).

Average pressure in December - Harkers Island, NC
  • Average pressure in December: 1019.9mbar

The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is June (1015.1mbar).

Average wind speed in December - Harkers Island, NC
  • Average wind speed in December: 21.1km/h

The windiest months (with the highest average wind speed) are February and March (22.6km/h).
The calmest month (with the lowest average wind speed) is August (16.7km/h).

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

Months with the highest relative humidity are May, June, July and August (78%).
Months with the lowest relative humidity are February, March and October (74%).

Average rainfall in December - Harkers Island, NC
  • Average rainfall in December: 62mm

The wettest month (with the highest rainfall) is August (123mm).
The driest month (with the least rainfall) is January (33mm).

Average rainfall days in December - Harkers Island, NC
  • Average rainfall days in December: 13.3 days

The month with the highest number of rainy days is August (22.3 days).
Months with the least rainy days are February and November (11.1 days).

Average snowfall in December - Harkers Island, NC
  • Average snowfall in December: 0mm

The month with the highest snowfall is February (6mm).
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

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

The month with the highest number of snowfall days is January (0.6 days).
Months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average sea temperature in December - Harkers Island, NC
  • Average sea temperature in December: 18.9°C

The best month for swimming (with the highest average sea temperature) is August (28.4°C).
The coldest month (with the lowest average sea temperature) is February (16.3°C).

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

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 5.5h

The month with the most sunshine is June (Average sunshine: 10.9h).
Months with the least sunshine are January and December (Average sunshine: 5.5).

Average sunshine days in December - Harkers Island, NC
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is August (5.9 days).

Average UV index in December - Harkers 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).

Average cloud cover in December - Harkers 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 27).

Average visibility in December - Harkers Island, NC
  • Average visibility in December: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).