December weather forecastHarrisonville, GA
December
Weather in December
The first month of the winter, December, is also a moderate month in Harrisonville, Georgia, with an average temperature ranging between min 40.6°F (4.8°C) and max 55.6°F (13.1°C).Temperature
The transition into December subtly indicates a reduction in the average high-temperature, down to a moderate 55.6°F (13.1°C) from November's enjoyable 62.8°F (17.1°C). The temperature dips to an average of 40.6°F (4.8°C) during December nights.Humidity
December is the most humid month, with an average relative humidity of 78%.Rainfall
In Harrisonville, in December, it is raining for 10.3 days, with typically 2.01" (51mm) of accumulated precipitation. In Harrisonville, during the entire year, the rain falls for 148.5 days and collects up to 21.3" (541mm) of precipitation.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow. In Harrisonville, during the entire year, snow falls for 2.2 days and aggregates up to 0.47" (12mm) of snow.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:25 am and sunset at 5:32 pm. On the last day of December, sunrise is at 7:43 am and sunset at 5:43 pm EST.
Sunshine
December has the least sunshine of the year in Harrisonville, with an average of 5.1h of sunshine.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Harrisonville, GA
- Average high temperature in December: 55.6°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in December: 40.6°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in December
Harrisonville, GA
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Harrisonville, GA
- Average wind speed in December: 7.3mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Harrisonville, GA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in December
Harrisonville, GA
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is July (2.8").
The driest month (with the least rainfall) is October (1.02").
Average rainfall days in December
Harrisonville, GA
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is November (7.1 days).
Average snowfall in December
Harrisonville, GA
- Average snowfall in December: 0.08"
The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Harrisonville, GA
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (0.8 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
Harrisonville, 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 6min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Harrisonville, GA
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in December
Harrisonville, GA
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Harrisonville, GA
- Average cloud cover in December: 46
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in December
Harrisonville, GA
- 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).





