Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With the arrival of December, Gleason experiences a modest decline in average high-temperatures, transitioning from a moderate 56.3°F (13.5°C) in November to a frosty 47.8°F (8.8°C). During December, Gleason consistently records a temperature low averaging an icy 35.4°F (1.9°C).Humidity
The average relative humidity in December is 79%.Rainfall
In Gleason, during December, the rain falls for 12.2 days and regularly aggregates up to 3.54" (90mm) of precipitation. Throughout the year, in Gleason, there are 171.3 rainfall days, and 40.71" (1034mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Gleason, in December, snow falls for 1.5 days, with typically accumulated 0.87" (22mm) of snow. In Gleason, during the entire year, snow falls for 10.9 days and aggregates up to 4.72" (120mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December in Gleason, Tennessee, sunrise is at 6:47 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 4:50 pm CST.
Sunshine
The average sunshine in December in Gleason is 4.9h.UV index
The months with the lowest UV index in Gleason are February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during December translates into the following guidance:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the temperature in December in Gleason?
What is the average humidity in December in Gleason?
How many days does it rain in December in Gleason?
How much does it snow in Gleason in December?
What is the month with the shortest days in Gleason?
What is the average length of the day in December in Gleason?
When is the sunrise / sunset in December in Gleason?
How long on average sun shines in December in Gleason?
When is the lowest UV index in Gleason?
How high is the UV index in December in Gleason?
Average temperature in December
Gleason, TN
- Average high temperature in December: 47.8°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in December: 35.4°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 (30.4°F).
Average pressure in December
Gleason, 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 (29.95"Hg).
Average wind speed in December
Gleason, TN
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are January, February and April (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in December
Gleason, 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 (71%).
Average rainfall in December
Gleason, TN
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is February (4.49").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Gleason, TN
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Gleason, TN
- Average snowfall in December: 0.87"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Gleason, TN
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Gleason, TN
- Average daylight in December: 9h and 4min
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 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Gleason, TN
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Gleason, TN
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in December
Gleason, TN
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Gleason, 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).
Gleason, Tennessee, USA
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