December weather forecastManns Harbor, NC
December
Weather in December
December, the first month of the winter in Manns Harbor, is still a cool month, with an average temperature varying between 47.7°F (8.7°C) and 55°F (12.8°C).Temperature
December is characterized by a mild reduction in the average high-temperature, from a refreshing 60.8°F (16°C) in November to a fresh 55°F (12.8°C). December sees a slight dip to an average low temperature of 47.7°F (8.7°C) from the daytime highs.Humidity
In Manns Harbor, the average relative humidity in December is 77%.Rainfall
In Manns Harbor, during December, the rain falls for 11.4 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, in Manns Harbor, there are 165.9 rainfall days, and 26.5" (673mm) of precipitation is accumulated.Snowfall
In Manns Harbor, snow does not fall in April through December.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:59 pm EST.
Sunshine
January, February and December, with an average of 5.4h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 3 during December translates into the following guidance:
Act with care - The suggestion to avoid sunburn is emphasized. To protect against the Sun's most potent rays, avoid direct exposure around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Manns Harbor, NC
- Average high temperature in December: 55°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (49.6°F).
- Average low temperature in December: 47.7°F
The month with the highest average low temperature is July (76.6°F).
The coldest month (with the lowest average low temperature) is January (41.4°F).
Average pressure in December
Manns Harbor, NC
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Manns Harbor, NC
- Average wind speed in December: 13.3mph
The windiest month (with the highest average wind speed) is March (14mph).
The calmest month (with the lowest average wind speed) is August (10mph).
Average humidity in December
Manns Harbor, NC
- Average humidity in December: 77%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are October and November (74%).
Average rainfall in December
Manns Harbor, NC
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in December
Manns Harbor, NC
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is August (19.4 days).
The month with the least rainy days is January (9.9 days).
Average snowfall in December
Manns Harbor, NC
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Manns Harbor, NC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Manns Harbor, NC
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 24min).
Average sunshine days in December
Manns Harbor, NC
- Average sunshine days in December: 18 days
The month with the most sunshine days is December (18 days).
The month with the least sunshine days is August (8 days).
Average UV index in December
Manns Harbor, NC
- Average UV index in December: 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).
Average cloud cover in December
Manns Harbor, NC
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in December
Manns Harbor, 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).
