December weather forecastVanleer, TN
December
Weather in December
The first month of the winter, December, is still a chilly month in Vanleer, Tennessee, with an average temperature varying between 35.6°F (2°C) and 48.2°F (9°C).Temperature
The shift from November to December coincides with a small decrease in the average high-temperature, down to a frosty 48.2°F (9°C) from a mild 56.7°F (13.7°C). The nighttime temperature in Vanleer, during December, averages of 35.6°F (2°C).Humidity
The months with the highest humidity in Vanleer are March, May and December, with an average relative humidity of 79%.Rainfall
In Vanleer, in December, during 12.4 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. In Vanleer, during the entire year, the rain falls for 163.4 days and collects up to 35.59" (904mm) of precipitation.Snowfall
Months with snowfall in Vanleer are January through April, October through December. In December, it is snowing for 1.7 days. Throughout December, 0.59" (15mm) of snow is accumulated. In Vanleer, during the entire year, snow falls for 9.8 days and aggregates up to 4.09" (104mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:43 am and sunset at 4:35 pm. On the last day of December, in Vanleer, sunrise is at 7:00 am and sunset at 4:45 pm CST.
Sunshine
February and December, with an average of 4.6h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vanleer, TN
- Average high temperature in December: 48.2°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in December: 35.6°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Vanleer, TN
- Average pressure in December: 30.15"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
Vanleer, TN
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Vanleer, TN
- Average humidity in December: 79%
The months with the highest relative humidity are March, May and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Vanleer, TN
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Vanleer, TN
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Vanleer, TN
- Average snowfall in December: 0.59"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Vanleer, TN
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (3.3 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
Vanleer, TN
- Average daylight in December: 9h and 42min
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 36min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in December
Vanleer, TN
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in December
Vanleer, 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
Vanleer, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Vanleer, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
