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 transition to December results in a modest reduction in average high-temperature, moving from a refreshing 61.7°F (16.5°C) in November to a cool 54.1°F (12.3°C). Throughout December, an average nighttime temperature of 39.7°F (4.3°C) is experienced.Humidity
December is the most humid month, with an average relative humidity of 79%.Rainfall
December is the month with the most rainfall. Rain falls for 12.6 days and accumulates 4.09" (104mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Masseyline, in December, snow falls for 0.8 days, with typically accumulated 0.43" (11mm) of snow. Throughout the year, there are 4 snowfall days, and 1.81" (46mm) of snow is accumulated.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 6:34 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 4:48 pm CST.
Sunshine
In December, the average sunshine is 4.9h.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 of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Masseyline, AL
- Average high temperature in December: 54.1°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (50.7°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in December
Masseyline, AL
- Average pressure in December: 30.14"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
Masseyline, 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 (4.4mph).
Average humidity in December
Masseyline, AL
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Masseyline, AL
- Average rainfall in December: 4.09"
The wettest month (with the highest rainfall) is December (4.09").
The driest month (with the least rainfall) is October (2.09").
Average rainfall days in December
Masseyline, AL
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Masseyline, AL
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Masseyline, AL
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is 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
Masseyline, AL
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Masseyline, AL
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in December
Masseyline, 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, November and December (UV index 3).
Average cloud cover in December
Masseyline, 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 and September (Cloud cover 29).
Average visibility in December
Masseyline, 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).
Masseyline, Alabama, USA
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