December weather forecastMandeville, GA
December
Weather in December
December, the first month of the winter in Mandeville, is still a cool month, with an average temperature fluctuating between 39°F (3.9°C) and 54°F (12.2°C).Temperature
With December's onset, the weather reveals a slight temperature decrease, transitioning from an enjoyable 61.3°F (16.3°C) in November to a fresh 54°F (12.2°C). In Mandeville, an average low-temperature of 39°F (3.9°C) is recorded during December nights.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In December, in Mandeville, the rain falls for 13.1 days. Throughout December, 3.58" (91mm) of precipitation is accumulated. In Mandeville, during the entire year, the rain falls for 180.2 days and collects up to 41.5" (1054mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 0.6 days and accumulates 0.59" (15mm) of snow.Daylight
The month with the shortest days in Mandeville is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:27 am and sunset at 5:32 pm. On the last day of December, sunrise is at 7:44 am and sunset at 5:42 pm EST.
Sunshine
The month with the least sunshine in Mandeville is December, with an average of 5h of sunshine.UV index
The months with the lowest UV index in Mandeville, Georgia, are January, February, November 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: During December, 3 as the daily maximum UV index converts into the following advice:
Heed the precautions - It is counselled to guard against solar damage. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mandeville, GA
- Average high temperature in December: 54°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 (50.5°F).
- Average low temperature in December: 39°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in December
Mandeville, GA
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Mandeville, GA
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Mandeville, GA
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Mandeville, GA
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is August (4.76").
The driest month (with the least rainfall) is October (1.97").
Average rainfall days in December
Mandeville, GA
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is October (8.6 days).
Average snowfall in December
Mandeville, GA
- Average snowfall in December: 0.59"
The month with the highest snowfall is December (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mandeville, GA
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is January (1.3 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
Mandeville, GA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Mandeville, GA
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in December
Mandeville, GA
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Mandeville, GA
- Average cloud cover in December: 47
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are June and October (Cloud cover 32).
Average visibility in December
Mandeville, GA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).





