December weather forecastForest Heights, TN
December
Weather in December
The first month of the winter, December, is still a chilly month in Forest Heights, Tennessee, with temperature in the range of an average low of 35.4°F (1.9°C) and an average high of 49.3°F (9.6°C).Temperature
Forest Heights's weather subtly changes with the onset of December, barely falling from a refreshing 57°F (13.9°C) in November to a frosty 49.3°F (9.6°C). Forest Heights observes an average low-temperature of 35.4°F (1.9°C) during December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 79%.Rainfall
In December, the rain falls for 8.8 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. In Forest Heights, during the entire year, the rain falls for 117.7 days and collects up to 11.34" (288mm) of precipitation.Snowfall
Months with snowfall in Forest Heights are January through March, October through December. In December, it is snowing for 2.4 days. Throughout December, 0.2" (5mm) of snow is accumulated. Throughout the year, in Forest Heights, there are 13.1 snowfall days, and 1.38" (35mm) of snow is accumulated.Daylight
December has the shortest days of the year in Forest Heights, Tennessee, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:29 am and sunset at 5:23 pm. On the last day of December, in Forest Heights, sunrise is at 7:46 am and sunset at 5:33 pm EST.
Sunshine
In December, the average sunshine is 5.2h.UV index
The months with the lowest UV index in Forest Heights are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 2 in December translates into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Forest Heights, TN
- Average high temperature in December: 49.3°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 (44.8°F).
- Average low temperature in December: 35.4°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 (30°F).
Average pressure in December
Forest Heights, 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 Heights, TN
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in December
Forest Heights, TN
- Average humidity in December: 79%
The months with the highest relative humidity are February and December (79%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in December
Forest Heights, TN
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is February (1.3").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in December
Forest Heights, TN
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Forest Heights, TN
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Forest Heights, TN
- Average snowfall days in December: 2.4 days
The months with the highest number of snowfall days are January and February (3.7 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 Heights, 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 12min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Forest Heights, TN
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is October (21.5 days).
The months with the least sunshine days are February and July (15.9 days).
Average UV index in December
Forest Heights, 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 Heights, TN
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
Forest Heights, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
