December weather forecastPromised Land, TN
December
Weather in December
The first month of the winter, December, is still a chilly month in Promised Land, Tennessee, with an average temperature varying between 49.1°F (9.5°C) and 34.3°F (1.3°C).Temperature
December brings a slight decrease in the average high-temperature, shifting from a moderate 57°F (13.9°C) in November to a frosty 49.1°F (9.5°C). Throughout December, an average low-temperature of 34.3°F (1.3°C) is experienced in Promised Land.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 78%.Rainfall
In Promised Land, Tennessee, in December, during 11.5 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. In Promised Land, during the entire year, the rain falls for 155.9 days and collects up to 24.02" (610mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 4.6 days and accumulates 2.48" (63mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:25 am and sunset at 5:19 pm. On the last day of December, sunrise is at 7:43 am and sunset at 5:29 pm EST.
Sunshine
In Promised Land, the average sunshine in December is 5.6h.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 unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. 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
Average temperature in December
Promised Land, TN
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in December
Promised Land, 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
Promised Land, TN
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Promised Land, TN
- Average humidity in December: 78%
The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in December
Promised Land, TN
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is February (2.87").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Promised Land, TN
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (10 days).
Average snowfall in December
Promised Land, TN
- Average snowfall in December: 2.48"
The month with the highest snowfall is December (2.48").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Promised Land, TN
- Average snowfall days in December: 4.6 days
The month with the highest number of snowfall days is January (6.6 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
Promised Land, TN
- Average daylight in December: 9h and 48min
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 48min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in December
Promised Land, TN
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is July (12 days).
Average UV index in December
Promised Land, 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
Promised Land, TN
- Average cloud cover in December: 43
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Promised Land, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
