December weather forecastDemopolis, AL
December
Weather in December
The first month of the winter, December, is still a mild month in Demopolis, Alabama, with an average temperature varying between 42.6°F (5.9°C) and 57.6°F (14.2°C).Temperature
December sees a slight reduction in average high-temperature, with a shift from an enjoyable 64.9°F (18.3°C) in November to a moderate 57.6°F (14.2°C). In December, the average low-temperature records at an icy 42.6°F (5.9°C) during the nights.Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
The months with the most rainfall are April and December, with an average 3.74" (95mm) of precipitation.Snowfall
January, February, November and December are months with snowfall in Demopolis, Alabama. In Demopolis, in December, during 0.4 snowfall days, 0.35" (9mm) of snow is typically accumulated. In Demopolis, during the entire year, snow falls for 2.1 days and aggregates up to 1.02" (26mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 6:35 am and sunset at 4:45 pm. On the last day of December, sunrise is at 6:52 am and sunset at 4:56 pm CST.
Sunshine
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.UV index
January 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 unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 3 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Demopolis, AL
- Average high temperature in December: 57.6°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in December: 42.6°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).
Average pressure in December
Demopolis, 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 (29.97"Hg).
Average wind speed in December
Demopolis, AL
- Average wind speed in December: 7.2mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Demopolis, 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 (69%).
Average rainfall in December
Demopolis, AL
- Average rainfall in December: 3.74"
The wettest months (with the highest rainfall) are April and December (3.74").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Demopolis, AL
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is October (8.3 days).
Average snowfall in December
Demopolis, AL
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Demopolis, AL
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (0.9 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
Demopolis, AL
- Average daylight in December: 10h and 6min
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 6min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Demopolis, AL
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in December
Demopolis, AL
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Demopolis, AL
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The months with the least cloud cover are September and October (Cloud cover 30).
Average visibility in December
Demopolis, 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).
