December weather forecastCalypso, NC
December
Weather in December
The first month of the winter, December, is also a fresh month in Calypso, North Carolina, with an average temperature fluctuating between 39.9°F (4.4°C) and 54.3°F (12.4°C).Temperature
In Calypso, the average high-temperature in December slightly decreases from a mild 60.6°F (15.9°C) in November to a fresh 54.3°F (12.4°C). Throughout December, the average low-temperature dips to an icy 39.9°F (4.4°C).Humidity
In December, the average relative humidity is 77%.Rainfall
In Calypso, North Carolina, during December, the rain falls for 11.1 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Calypso, during the entire year, the rain falls for 166 days and collects up to 34.33" (872mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.28" (7mm) of snow. In Calypso, during the entire year, snow falls for 2.2 days and aggregates up to 1.89" (48mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:10 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.5h of sunshine.UV index
In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 in December translates into these instructions:
Undertake precautions - Guarding against sun damage is counselled. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Calypso, NC
- Average high temperature in December: 54.3°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in December: 39.9°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in December
Calypso, NC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Calypso, NC
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Calypso, NC
- Average humidity in December: 77%
The months with the highest relative humidity are May, June, August and September (78%).
The month with the lowest relative humidity is January (73%).
Average rainfall in December
Calypso, NC
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in December
Calypso, NC
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Calypso, NC
- Average snowfall in December: 0.28"
The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Calypso, NC
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (0.9 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
Calypso, NC
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Calypso, NC
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in December
Calypso, NC
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Calypso, NC
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Calypso, NC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





