December weather forecastPernell, AL
December
Weather in December
December, the first month of the winter in Pernell, is also a moderate month, with temperature in the range of an average high of 57.9°F (14.4°C) and an average low of 42.6°F (5.9°C).Temperature
In the transition to December, Pernell observes a minor drop in the average high-temperature, shifting from an enjoyable 64.9°F (18.3°C) in November to a mild 57.9°F (14.4°C). An average low-temperature of 42.6°F (5.9°C) is anticipated throughout the nights during December.Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
December is the month with the most rainfall. Rain falls for 13 days and accumulates 3.82" (97mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Pernell, during the entire year, snow falls for 1.7 days and aggregates up to 0.59" (15mm) of snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:32 am and sunset at 4:43 pm. On the last day of December, sunrise is at 6:50 am and sunset at 4:53 pm CST.
Sunshine
February and December, with an average of 4.9h 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 estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Pernell, AL
- Average high temperature in December: 57.9°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (54.3°F).
- Average low temperature in December: 42.6°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in December
Pernell, 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 (29.97"Hg).
Average wind speed in December
Pernell, AL
- Average wind speed in December: 7.2mph
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 (4.7mph).
Average humidity in December
Pernell, 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
Pernell, AL
- Average rainfall in December: 3.82"
The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Pernell, AL
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in December
Pernell, AL
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Pernell, AL
- Average snowfall days in December: 0.3 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
Pernell, 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 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
Pernell, AL
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is July (8 days).
Average UV index in December
Pernell, 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
Pernell, AL
- 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 September and October (Cloud cover 30).
Average visibility in December
Pernell, AL
- 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).
