December weather forecastArlington, TN
December
Weather in December
The first month of the winter, December, is still a cool month in Arlington, Tennessee, with temperature in the range of an average low of 37.8°F (3.2°C) and an average high of 50.7°F (10.4°C).Temperature
December is marked by a subtle drop in average high-temperatures, transitioning from a moderate 58.6°F (14.8°C) in November to a fresh 50.7°F (10.4°C). During December, Arlington experiences a consistent low-temperature average of 37.8°F (3.2°C).Humidity
In Arlington, the average relative humidity in December is 78%.Rainfall
In Arlington, Tennessee, in December, during 10 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 148 rainfall days, and 25.35" (644mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 0.7 days. Throughout December, 0.24" (6mm) of snow is accumulated. In Arlington, during the entire year, snow falls for 4.3 days and aggregates up to 1.06" (27mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:49 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:07 am and sunset at 4:56 pm CST.
Sunshine
In December, the average sunshine is 5h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 3 suggests these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Arlington, TN
- Average high temperature in December: 50.7°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Arlington, 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 (29.94"Hg).
Average wind speed in December
Arlington, TN
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Arlington, TN
- Average humidity in December: 78%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Arlington, TN
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is April (2.8").
The driest months (with the least rainfall) are January and September (1.26").
Average rainfall days in December
Arlington, TN
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in December
Arlington, TN
- Average snowfall in December: 0.24"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Arlington, TN
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1.4 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
Arlington, 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: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Arlington, TN
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is October (20.9 days).
The months with the least sunshine days are July and August (12.3 days).
Average UV index in December
Arlington, TN
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Arlington, TN
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are June and August (Cloud cover 25).
Average visibility in December
Arlington, 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).
