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
In December, the average high-temperature marginally drops from a mild 57°F (13.9°C) in November to a chilly 49.1°F (9.5°C). During the month of December, the temperature in Mahoney Mill generally drops to a low average of 35.4°F (1.9°C).Humidity
With an average relative humidity of 79%, December is the most humid month in Mahoney Mill.Rainfall
In December, in Mahoney Mill, the rain falls for 14.2 days. Throughout December, 3.86" (98mm) of precipitation is accumulated. In Mahoney Mill, during the entire year, the rain falls for 177.6 days and collects up to 37.91" (963mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Mahoney Mill, in December, snow falls for 3.5 days, with typically accumulated 0.83" (21mm) of snow. In Mahoney Mill, during the entire year, snow falls for 19 days and aggregates up to 5.59" (142mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Mahoney Mill.On the first day of December, sunrise is at 7:28 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:33 pm EST.
Sunshine
The average sunshine in December in Mahoney Mill is 5.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Mahoney Mill. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Mahoney Mill have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Mahoney Mill have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mahoney Mill, TN
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Mahoney Mill, TN
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Mahoney Mill, TN
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in December
Mahoney Mill, TN
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Mahoney Mill, TN
- Average rainfall in December: 3.86"
The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Mahoney Mill, TN
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in December
Mahoney Mill, TN
- Average snowfall in December: 0.83"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Mahoney Mill, TN
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mahoney Mill, TN
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Mahoney Mill, TN
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Mahoney Mill, 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
Mahoney Mill, TN
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
Mahoney Mill, TN
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Mahoney Mill, Tennessee, USA
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