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 average high-temperature slightly decreases in December, shifting from a moderate 55.6°F (13.1°C) in November to a frosty 47.5°F (8.6°C). Afton experiences an average low-temperature of 32.9°F (0.5°C) in the month of December.Humidity
December is the most humid month, with an average relative humidity of 79%.Rainfall
In Afton, in December, during 13.8 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Afton, during the entire year, the rain falls for 188.6 days and collects up to 32.87" (835mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall is December, when snow falls for 6 days and typically aggregates up to 4.09" (104mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:24 am and sunset at 5:16 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:26 pm EST.
Sunshine
In Afton, the average sunshine in December is 5.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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 in Afton?
How many days does it rain in December?
When does it snow the most?
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?
When are sunrise and sunset in December?
How many hours of sunshine does Afton have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Afton, TN
- Average high temperature in December: 47.5°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (43.2°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in December
Afton, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Afton, TN
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Afton, TN
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in December
Afton, TN
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Afton, TN
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in December
Afton, TN
- Average snowfall in December: 4.09"
The month with the highest snowfall is December (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Afton, TN
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Afton, TN
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Afton, TN
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
Afton, TN
- Average UV index in December: 2
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 2).
Average cloud cover in December
Afton, TN
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
Afton, TN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Afton, Tennessee, USA
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