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
Jeffers's December weather features a light decline in high-temperatures, reducing from a fresh 54.1°F (12.3°C) in November to a chilly 46.2°F (7.9°C). In Jeffers, the average nighttime temperature during December is an icy 32.9°F (0.5°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In Jeffers, in December, during 12.8 rainfall days, 3.54" (90mm) of precipitation is typically accumulated. In Jeffers, during the entire year, the rain falls for 174 days and collects up to 39.69" (1008mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 6.3 days. Throughout December, 2.4" (61mm) of snow is accumulated. Throughout the year, there are 31.5 snowfall days, and 13.11" (333mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December in Jeffers, sunrise is at 7:31 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:32 pm EST.
Sunshine
In Jeffers, the average sunshine in December is 4.4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Jeffers, TN
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (41.9°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in December
Jeffers, 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 (29.97"Hg).
Average wind speed in December
Jeffers, TN
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Jeffers, TN
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is June (77%).
Average rainfall in December
Jeffers, TN
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is February (4.53").
The driest months (with the least rainfall) are September and November (2.56").
Average rainfall days in December
Jeffers, TN
- Average rainfall days in December: 12.8 days
The months with the highest number of rainy days are May and July (18.8 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Jeffers, TN
- Average snowfall in December: 2.4"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Jeffers, TN
- Average snowfall days in December: 6.3 days
The months with the highest number of snowfall days are January and February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jeffers, 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: 4h and 2min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Jeffers, TN
- Average sunshine days in December: 13.8 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Jeffers, TN
- Average UV index in December: 2
The months with the highest UV index are 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
Jeffers, TN
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility in December
Jeffers, TN
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Jeffers, Tennessee, USA
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