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 brings a minor shift in the average high-temperature, adjusting from a moderate 55.6°F (13.1°C) in November to a frosty 47.1°F (8.4°C). During December, Surgoinsville's temperature averages to an icy 33.6°F (0.9°C) at night.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 79%.Rainfall
In Surgoinsville, during December, the rain falls for 12 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 158.7 rainfall days, and 27.52" (699mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 3.6 days. Throughout December, 0.67" (17mm) of snow is accumulated. In Surgoinsville, during the entire year, snow falls for 20.2 days and aggregates up to 5.12" (130mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Surgoinsville.On the first day of December, sunrise is at 7:25 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:26 pm EST.
Sunshine
The average sunshine in December is 5.2h.UV index
January, February 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 rays for average individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Surgoinsville have in December?
What are the months with the lowest UV index?
What is the UV index reading in December in Surgoinsville?
Average temperature in December
Surgoinsville, TN
- Average high temperature in December: 47.1°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in December: 33.6°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in December
Surgoinsville, 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 (29.99"Hg).
Average wind speed in December
Surgoinsville, TN
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Surgoinsville, 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
Surgoinsville, TN
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is February (3.43").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in December
Surgoinsville, TN
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in December
Surgoinsville, TN
- Average snowfall in December: 0.67"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Surgoinsville, TN
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (7.3 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
Surgoinsville, 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: 5h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Surgoinsville, TN
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in December
Surgoinsville, 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
Surgoinsville, TN
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Surgoinsville, TN
- Average visibility in December: 6mi
The months with the highest visibility are April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and May (5mi).
Surgoinsville, Tennessee, USA
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