December weather forecastSpeed, AL
December
Weather in December
December, the first month of the winter in Speed, is still a mild month, with temperature in the range of an average high of 57.9°F (14.4°C) and an average low of 42.8°F (6°C).Temperature
December signals a slight drop in average high-temperature, sliding from November's refreshing 64.6°F (18.1°C) to a mild 57.9°F (14.4°C). Speed, during December, witnesses an average low-temperature of 42.8°F (6°C).Humidity
December is the most humid month, with an average relative humidity of 78%.Rainfall
December is the month with the most rainfall. Rain falls for 12.8 days and accumulates 3.86" (98mm) of precipitation.Snowfall
Months with snowfall in Speed 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. In Speed, during the entire year, snow falls for 1.6 days and aggregates up to 0.63" (16mm) of snow.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:29 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 4:49 pm CST.
Sunshine
The months with the least sunshine are February and December, with an average of 5h of 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 unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 3 in December suggests the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Speed, AL
- Average high temperature in December: 57.9°F
The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is January (54.5°F).
- Average low temperature in December: 42.8°F
The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in December
Speed, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Speed, AL
- Average wind speed in December: 7.4mph
The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in December
Speed, AL
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Speed, AL
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is December (3.86").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Speed, AL
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in December
Speed, AL
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Speed, AL
- Average snowfall days in December: 0.1 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 and October (0 days).
Average daylight in December /
Average sunshine in December
Speed, 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: 5h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in December
Speed, AL
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
Speed, AL
- 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 and December (UV index 3).
Average cloud cover in December
Speed, AL
- 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 29).
Average visibility in December
Speed, 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).





