December weather forecastThelma, NC
December
Weather in December
December, the first month of the winter in Thelma, is also a fresh month, with an average temperature fluctuating between 37.2°F (2.9°C) and 51.4°F (10.8°C).Temperature
The start of December comes with a small reduction in the average high-temperature, subtly receding from a moderate 58.5°F (14.7°C) in November to a cool 51.4°F (10.8°C). Thelma, during the nights of December, experiences an average temperature drop to an icy 37.2°F (2.9°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In Thelma, in December, during 11.3 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. In Thelma, North Carolina, during the entire year, the rain falls for 156.2 days and collects up to 27.6" (701mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 0.9 days. Throughout December, 0.51" (13mm) of snow is accumulated. In Thelma, during the entire year, snow falls for 6.4 days and aggregates up to 3.23" (82mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:04 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:06 pm EST.
Sunshine
January and December, with an average of 5.5h of sunshine, are months with the least sunshine.UV index
In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Undertake protective steps - Preventing sun damage is advised. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Thelma, NC
- Average high temperature in December: 51.4°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.8°F).
- Average low temperature in December: 37.2°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in December
Thelma, 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
Thelma, NC
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Thelma, NC
- Average humidity in December: 78%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, April, July and November (74%).
Average rainfall in December
Thelma, NC
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is October (1.85").
Average rainfall days in December
Thelma, NC
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Thelma, NC
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Thelma, NC
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Thelma, NC
- Average daylight in December: 9h and 42min
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 42min).
- Average sunshine in December: 5h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Thelma, NC
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in December
Thelma, NC
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Thelma, NC
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in December
Thelma, 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).





