December weather forecastHarkers Island, NC
December
Weather in December
The first month of the winter, December, is still a refreshing month in Harkers Island, North Carolina, with an average temperature fluctuating between 58.6°F (14.8°C) and 50.2°F (10.1°C).Temperature
As Harkers Island welcomes December, the average high-temperature records at a still refreshing 58.6°F (14.8°C), marking an insignificant deviation from the prior month. Harkers Island's December nights witness minimal differential from the daytime temperatures, with averages of 50.2°F (10.1°C).Humidity
The average relative humidity in December is 77%.Rainfall
In Harkers Island, in December, it is raining for 13.3 days, with typically 2.44" (62mm) of accumulated 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.Ocean temperature
In Harkers Island, North Carolina, in December, the average water temperature is 66°F (18.9°C).Note: A surface water temperature of 66°F (18.9°C) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 69.8°F (21°C).
Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:13 am and sunset at 5:05 pm EST.
Sunshine
The months with the least sunshine in Harkers Island 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 value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 4 in December leads to these guidelines:
Exercise prevention - Warding off sunburn is urged. To protect against the Sun's most potent rays, avoid direct exposure around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Harkers Island, NC
- Average high temperature in December: 58.6°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in December: 50.2°F
The month with the highest average low temperature is July (78.3°F).
The coldest month (with the lowest average low temperature) is January (44.6°F).
Average pressure in December
Harkers Island, NC
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is December (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Harkers Island, NC
- Average wind speed in December: 13.1mph
The windiest months (with the highest average wind speed) are February and March (14mph).
The calmest month (with the lowest average wind speed) is August (10.4mph).
Average humidity in December
Harkers Island, NC
- Average humidity in December: 77%
The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are February, March and October (74%).
Average rainfall in December
Harkers Island, NC
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is August (4.84").
The driest month (with the least rainfall) is January (1.3").
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).
The months with the least rainy days are February and November (11.1 days).
Average snowfall in December
Harkers Island, NC
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
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).
The 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: 65.9°F
The best month for swimming (with the highest average sea temperature) is August (83.2°F).
The coldest month (with the lowest average sea temperature) is February (61.3°F).
Average daylight in December /
Average sunshine in December
Harkers Island, NC
- Average daylight in December: 9h and 54min
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 December: 5h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
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
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).
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: 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).
