December weather forecastMostellers, AL
December
Weather in December
December, the first month of the winter in Mostellers, is still a cool month, with an average temperature varying between 55.2°F (12.9°C) and 40.3°F (4.6°C).Temperature
December heralds a minor drop in average high-temperature, sliding from November's comfortable 62.8°F (17.1°C) to a cool 55.2°F (12.9°C). During December, the nighttime temperature averages to a wintry 40.3°F (4.6°C).Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Mostellers, in December, it is raining for 13.1 days, with typically 3.74" (95mm) of accumulated precipitation. In Mostellers, during the entire year, the rain falls for 170.7 days and collects up to 39.06" (992mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Mostellers, in December, during 0.5 snowfall days, 0.47" (12mm) of snow is typically accumulated. Throughout the year, there are 2.9 snowfall days, and 1.57" (40mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:31 am and sunset at 4:38 pm. On the last day of December, sunrise is at 6:49 am and sunset at 4:49 pm CST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.9h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 during December leads to these advisories:
Take necessary precautions - Defending against sun damage is advocated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mostellers, AL
- Average high temperature in December: 55.2°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 40.3°F
The months with the highest average low temperature are July and August (70.5°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in December
Mostellers, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Mostellers, AL
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in December
Mostellers, AL
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Mostellers, AL
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Mostellers, AL
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is July (21.2 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in December
Mostellers, AL
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mostellers, AL
- Average snowfall days in December: 0.5 days
The months with the highest number of snowfall days are January and February (1 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
Mostellers, AL
- 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: 4h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Mostellers, AL
- Average sunshine days in December: 16.2 days
The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Mostellers, AL
- 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, November and December (UV index 3).
Average cloud cover in December
Mostellers, AL
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are September and October (Cloud cover 30).
Average visibility in December
Mostellers, AL
- 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).





