December weather forecastThomson, GA
December
Weather in December
December, the first month of the winter in Thomson, is still a refreshing month, with an average temperature varying between 41°F (5°C) and 56.5°F (13.6°C).Temperature
With the commencement of December, Thomson records a moderate temperature decline, with the average high easing from November's comfortable 62.8°F (17.1°C) to a moderate 56.5°F (13.6°C). Thomson, during December, witnesses an average low-temperature of 41°F (5°C).Humidity
With an average relative humidity of 77%, December is the most humid month.Rainfall
In December, the rain falls for 10.9 days. Throughout December, 3.54" (90mm) of precipitation is accumulated. Throughout the year, there are 156.7 rainfall days, and 32.8" (833mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 1.4 snowfall days, and 1.38" (35mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:16 am and sunset at 5:22 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:32 pm EST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year.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 reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 3 in December translates into these instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Around midday, solar radiation is most harmful; hence, exposure should be limited. Experience reduced UV exposure by about half when donning a wide-brim hat. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Thomson, GA
- Average high temperature in December: 56.5°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (53.6°F).
- Average low temperature in December: 41°F
The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (36.9°F).
Average pressure in December
Thomson, GA
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Thomson, GA
- Average wind speed in December: 7.4mph
The windiest months (with the highest average wind speed) are January and February (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Thomson, GA
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are July, October and November (71%).
Average rainfall in December
Thomson, GA
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Thomson, GA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in December
Thomson, GA
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Thomson, GA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Thomson, GA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 12min
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 12min).
Average sunshine days in December
Thomson, GA
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is October (21.1 days).
The month with the least sunshine days is August (10.8 days).
Average UV index in December
Thomson, GA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Thomson, GA
- Average cloud cover in December: 44
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Thomson, GA
- 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).





