December weather forecastSelmer, TN
December
Weather in December
The first month of the winter, December, is also a fresh month in Selmer, Tennessee, with an average temperature ranging between min 37°F (2.8°C) and max 50.5°F (10.3°C).Temperature
December implies a soft temperature shift, with average high-temperatures reducing from November's refreshing 58.6°F (14.8°C) to a fresh 50.5°F (10.3°C). In Selmer, an average low-temperature of 37°F (2.8°C) is recorded during December nights.Humidity
In December, the average relative humidity is 79%.Rainfall
In December, the rain falls for 12.9 days. Throughout December, 3.19" (81mm) of precipitation is accumulated. In Selmer, Tennessee, during the entire year, the rain falls for 168.2 days and collects up to 38.94" (989mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Selmer, in December, snow falls for 0.7 days, with typically accumulated 0.28" (7mm) of snow. Throughout the year, there are 6.3 snowfall days, and 1.89" (48mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:44 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 4:52 pm CST.
Sunshine
In Selmer, the average sunshine in December is 4.7h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 during December translates into the following guidance:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. 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
Average temperature in December
Selmer, TN
- Average high temperature in December: 50.5°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 37°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in December
Selmer, TN
- 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 (29.96"Hg).
Average wind speed in December
Selmer, TN
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in December
Selmer, TN
- Average humidity in December: 79%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Selmer, TN
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is February (4.72").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Selmer, TN
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in December
Selmer, TN
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Selmer, TN
- Average snowfall days in December: 0.7 days
The months with the highest number of snowfall days are January and February (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Selmer, TN
- Average daylight in December: 9h and 48min
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: 4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Selmer, TN
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Selmer, TN
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Selmer, TN
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in December
Selmer, TN
- 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).





