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 mild 57.9°F (14.4°C) in November to a cool 50.2°F (10.1°C). In Acorn, the December nights cool down to an average low of 36.1°F (2.3°C).Humidity
The most humid month in Acorn is December, with an average relative humidity of 79%.Rainfall
In Acorn, in December, it is raining for 12.3 days, with typically 3.7" (94mm) of accumulated precipitation. Throughout the year, in Acorn, there are 159.4 rainfall days, and 35.71" (907mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Acorn, Tennessee, in December, during 2.4 snowfall days, 0.51" (13mm) of snow is typically accumulated. In Acorn, during the entire year, snow falls for 12.9 days and aggregates up to 3.46" (88mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:28 am and sunset at 5:24 pm. On the last day of December, sunrise is at 7:45 am and sunset at 5:34 pm EST.
Sunshine
The months with the least sunshine in Acorn, Tennessee, are January and December, with an average of 5.1h of sunshine.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 reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Acorn in December?
What is the most humid month in Acorn?
What is the average humidity in December in Acorn?
How many days does it rain in December in Acorn?
How much does it snow in Acorn in December?
What is the month with the shortest days in Acorn?
What is the average length of the day in December in Acorn?
When is the sunrise / sunset in December in Acorn?
What is the month with the least sunshine in Acorn?
How many hours of sunshine does Acorn have in December?
What is the month with the lowest UV index in Acorn?
How high is the UV index in December in Acorn?
Average temperature in December
Acorn, TN
- Average high temperature in December: 50.2°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45.7°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Acorn, 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
Acorn, TN
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in December
Acorn, 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 (74%).
Average rainfall in December
Acorn, TN
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Acorn, TN
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Acorn, TN
- Average snowfall in December: 0.51"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Acorn, TN
- Average snowfall days in December: 2.4 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
Acorn, 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 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Acorn, TN
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in December
Acorn, 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
Acorn, TN
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Acorn, 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).
Acorn, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location