December weather forecastBrittsville, TN
December
Weather in December
The first month of the winter, December, is still a chilly month in Brittsville, Tennessee, with an average temperature ranging between min 35.2°F (1.8°C) and max 49.1°F (9.5°C).Temperature
In Brittsville, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's moderate 57°F (13.9°C) to a frosty 49.1°F (9.5°C). In Brittsville, December is marked by an average low-temperature of 35.2°F (1.8°C).Humidity
December is the most humid month in Brittsville, with an average relative humidity of 81%.Rainfall
December is the month with the most rainfall. Rain falls for 12.3 days and accumulates 3.15" (80mm) of precipitation.Snowfall
Months with snowfall in Brittsville, Tennessee, are January through April, November and December. In December, it is snowing for 1.2 days. Throughout December, 0.35" (9mm) of snow is accumulated. In Brittsville, during the entire year, snow falls for 9.6 days and aggregates up to 1.61" (41mm) of snow.Daylight
The month with the shortest days in Brittsville is December, with an average of 9h and 48min of daylight.On the first day of December in Brittsville, sunrise is at 7:30 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:37 pm EST.
Sunshine
With an average of 4.9h of sunshine, December has the least sunshine of the year.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Brittsville. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Brittsville, TN
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in December
Brittsville, TN
- Average pressure in December: 30.15"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
Brittsville, TN
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in December
Brittsville, TN
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are January, June, July, August, September, October and November (76%).
Average rainfall in December
Brittsville, TN
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Brittsville, TN
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Brittsville, TN
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Brittsville, TN
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is January (3.4 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
Brittsville, 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 54min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Brittsville, TN
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in December
Brittsville, 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
Brittsville, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Brittsville, TN
- Average visibility in December: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
