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
As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a refreshing 56.5°F (13.6°C) to a frosty 47.8°F (8.8°C). In December, Cottage Grove encounters an average low-temperature of 35.6°F (2°C) during the night.Humidity
In Cottage Grove, the average relative humidity in December is 79%.Rainfall
In Cottage Grove, in December, it is raining for 12.5 days, with typically 3.43" (87mm) of accumulated precipitation. Throughout the year, there are 165.6 rainfall days, and 37.64" (956mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Cottage Grove, in December, snow falls for 1.5 days, with typically accumulated 0.71" (18mm) of snow. In Cottage Grove, during the entire year, snow falls for 10.5 days and aggregates up to 4.06" (103mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:47 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 4:49 pm CST.
Sunshine
In Cottage Grove, the average sunshine in December is 4.8h.UV index
The months with the lowest UV index in Cottage Grove are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Boost your sun resistance with garments that are densely woven yet spacious. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the usual temperature for Cottage Grove in December?
What is the average humidity in December in Cottage Grove?
How many days does it rain in December in Cottage Grove?
How many days does it snow in December in Cottage Grove?
What is the month with the shortest days in Cottage Grove?
How many hours of daylight does Cottage Grove have in December?
What time are sunrise and sunset in December in Cottage Grove?
How many hours of sunshine does Cottage Grove have in December?
When is the lowest UV index in Cottage Grove?
How high is the UV index in December in Cottage Grove?
Average temperature in December
Cottage Grove, TN
- Average high temperature in December: 47.8°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (43.5°F).
- Average low temperature in December: 35.6°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Cottage Grove, 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 (29.96"Hg).
Average wind speed in December
Cottage Grove, TN
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are January, February and April (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Cottage Grove, 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 (72%).
Average rainfall in December
Cottage Grove, TN
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is February (4.17").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Cottage Grove, TN
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in December
Cottage Grove, TN
- Average snowfall in December: 0.71"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Cottage Grove, TN
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (4.1 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
Cottage Grove, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Cottage Grove, TN
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in December
Cottage Grove, 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 January, February and December (UV index 2).
Average cloud cover in December
Cottage Grove, TN
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in December
Cottage Grove, 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).
Cottage Grove, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location
