Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The shift from November to December includes a small decrease in the average high-temperature, from an enjoyable 62.1°F (16.7°C) to a cool 54.5°F (12.5°C). An average nighttime temperature of 40.1°F (4.5°C) is noted during the month of December.Humidity
With an average relative humidity of 80%, December is the most humid month in Harpersville.Rainfall
In Harpersville, in December, during 13.8 rainfall days, 3.98" (101mm) of precipitation is typically accumulated. In Harpersville, Alabama, during the entire year, the rain falls for 177.1 days and collects up to 41.06" (1043mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Harpersville, in December, during 0.5 snowfall days, 0.47" (12mm) of snow is typically accumulated. In Harpersville, Alabama, during the entire year, snow falls for 3.5 days and aggregates up to 1.77" (45mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:32 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 4:48 pm CST.
Sunshine
In Harpersville, the average sunshine in December is 4.9h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 3 during December morphs into the following directions:
Be vigilant - Preventing sunburn is recommended. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the average December temperature in Harpersville?
What is the most humid month in Harpersville?
What is the average humidity in December in Harpersville?
How much does it rain in Harpersville in December?
How much does it snow in Harpersville in December?
What is the month with the shortest days in Harpersville?
What is the average length of the day in December in Harpersville?
When is the sunrise / sunset in December in Harpersville?
How many hours of sunshine does Harpersville have in December?
What is the month with the lowest UV index in Harpersville?
What is the UV index reading in December in Harpersville?
Average temperature in December
Harpersville, AL
- Average high temperature in December: 54.5°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 (50.9°F).
- Average low temperature in December: 40.1°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in December
Harpersville, AL
- 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 (29.98"Hg).
Average wind speed in December
Harpersville, AL
- Average wind speed in December: 7mph
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 (4.2mph).
Average humidity in December
Harpersville, 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 (72%).
Average rainfall in December
Harpersville, AL
- Average rainfall in December: 3.98"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is October (2.28").
Average rainfall days in December
Harpersville, AL
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in December
Harpersville, AL
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Harpersville, AL
- Average snowfall days in December: 0.5 days
The months with the highest number of snowfall days are January and February (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
Harpersville, 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 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Harpersville, AL
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in December
Harpersville, AL
- 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 and December (UV index 3).
Average cloud cover in December
Harpersville, AL
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June, September and October (Cloud cover 31).
Average visibility in December
Harpersville, 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).
Harpersville, Alabama, USA
Weather forecast for your location
2. Allow the app to use your location
