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
The arrival of December corresponds with a light shift in temperature, down from a mild 57.2°F (14°C) in November to a frosty 49.5°F (9.7°C). Forest Glen records a consistent low-temperature of 35.2°F (1.8°C) during December nights.Humidity
With an average relative humidity of 79%, December is the most humid month.Rainfall
In Forest Glen, in December, during 11.1 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. Throughout the year, in Forest Glen, there are 148.2 rainfall days, and 18.23" (463mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, October through December. In Forest Glen, in December, during 3.6 snowfall days, 0.63" (16mm) of snow is typically accumulated. In Forest Glen, during the entire year, snow falls for 18.9 days and aggregates up to 3.58" (91mm) of snow.Daylight
December has the shortest days of the year in Forest Glen, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:27 am and sunset at 5:22 pm. On the last day of December, in Forest Glen, Tennessee, sunrise is at 7:45 am and sunset at 5:33 pm EST.
Sunshine
In December, the average sunshine in Forest Glen, Tennessee, is 5.2h.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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the average December temperature in Forest Glen?
What is the most humid month in Forest Glen?
What is the average humidity in December in Forest Glen?
How many days does it rain in December in Forest Glen?
How much does it snow in Forest Glen in December?
What is the month with the shortest days in Forest Glen?
How many hours of daylight does Forest Glen have in December?
What time are sunrise and sunset in December in Forest Glen?
How long on average sun shines in December in Forest Glen?
What is the month with the lowest UV index in Forest Glen?
What is the UV index reading in December in Forest Glen?
Average temperature in December
Forest Glen, TN
- Average high temperature in December: 49.5°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in December
Forest Glen, TN
- Average pressure in December: 30.14"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
Forest Glen, TN
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in December
Forest Glen, TN
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in December
Forest Glen, TN
- Average rainfall in December: 1.54"
The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in December
Forest Glen, TN
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Forest Glen, TN
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Forest Glen, TN
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (5.4 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
Forest Glen, TN
- Average daylight in December: 9h and 5min
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 1min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Forest Glen, TN
- Average sunshine days in December: 17 days
The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).
Average UV index in December
Forest Glen, 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
Forest Glen, TN
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Forest Glen, TN
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).
Forest Glen, Tennessee, USA
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