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
December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a moderate 55.6°F (13.1°C) in November to a chilly 48°F (8.9°C). Cooper Mill, in December, witnesses an average low-temperature of 34.3°F (1.3°C).Humidity
With an average relative humidity of 81%, December is the most humid month in Cooper Mill.Rainfall
In Cooper Mill, Tennessee, in December, it is raining for 13.5 days, with typically 3.23" (82mm) of accumulated precipitation. In Cooper Mill, during the entire year, the rain falls for 183.1 days and collects up to 37.68" (957mm) of precipitation.Snowfall
Months with snowfall in Cooper Mill are January through April, November and December. In Cooper Mill, during December, snow falls for 3.1 days and regularly aggregates up to 0.94" (24mm) of snow. In Cooper Mill, during the entire year, snow falls for 17.4 days and aggregates up to 3.46" (88mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Cooper Mill, Tennessee.On the first day of December, sunrise is at 6:32 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:37 pm CST.
Sunshine
In Cooper Mill, Tennessee, the average sunshine in December is 4.8h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the usual temperature for Cooper Mill in December?
What is the most humid month in Cooper Mill?
What is the average humidity in December in Cooper Mill?
How much does it rain in Cooper Mill in December?
How much does it snow in Cooper Mill in December?
What is the month with the shortest days in Cooper Mill?
What is the average length of the day in December in Cooper Mill?
What time are sunrise and sunset in December in Cooper Mill?
How long on average sun shines in December in Cooper Mill?
What are the months with the lowest UV index in Cooper Mill?
What is the UV index reading in December in Cooper Mill?
Average temperature in December
Cooper Mill, TN
- Average high temperature in December: 48°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in December
Cooper Mill, TN
- Average pressure in December: 30.15"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
Cooper Mill, TN
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in December
Cooper Mill, TN
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in December
Cooper Mill, TN
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is July (4.45").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in December
Cooper Mill, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Cooper Mill, TN
- Average snowfall in December: 0.94"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cooper Mill, TN
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (5.7 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
Cooper Mill, 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: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Cooper Mill, TN
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in December
Cooper Mill, 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 and December (UV index 2).
Average cloud cover in December
Cooper Mill, TN
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Cooper Mill, TN
- Average visibility in December: 5mi
The months with the highest visibility are June and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October and December (5mi).
Cooper Mill, Tennessee, USA
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