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 reveals a small adjustment in temperature, transitioning from an average high of a refreshing 56.3°F (13.5°C) in November to a chilly 48.6°F (9.2°C). Throughout the month of December, the average temperature in Mount Sulphur, Tennessee, dips to a wintry 34.7°F (1.5°C) at night.Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
In Mount Sulphur, Tennessee, during December, the rain falls for 13 days and regularly aggregates up to 3.98" (101mm) of precipitation. Throughout the year, in Mount Sulphur, Tennessee, there are 176 rainfall days, and 40.51" (1029mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Mount Sulphur, during December, snow falls for 2 days and regularly aggregates up to 0.79" (20mm) of snow. In Mount Sulphur, during the entire year, snow falls for 11.6 days and aggregates up to 2.91" (74mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:31 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:36 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 4.9h 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 low health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 in December translates into these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the temperature in December in Mount Sulphur?
What is the most humid month in Mount Sulphur?
What is the average humidity in December in Mount Sulphur?
How many days does it rain in December in Mount Sulphur?
How many days does it snow in December in Mount Sulphur?
What is the month with the shortest days in Mount Sulphur?
How many hours of daylight does Mount Sulphur have in December?
What time are sunrise and sunset in December in Mount Sulphur?
What is the month with the least sunshine in Mount Sulphur?
How many hours of sunshine does Mount Sulphur have in December?
What is the month with the lowest UV index in Mount Sulphur?
How high is the UV index in December in Mount Sulphur?
Average temperature in December
Mount Sulphur, TN
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in December
Mount Sulphur, 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
Mount Sulphur, TN
- Average wind speed in December: 6mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in December
Mount Sulphur, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in December
Mount Sulphur, TN
- Average rainfall in December: 3.98"
The wettest month (with the highest rainfall) is July (4.21").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in December
Mount Sulphur, TN
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Mount Sulphur, TN
- Average snowfall in December: 0.79"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mount Sulphur, TN
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is January (3.8 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
Mount Sulphur, 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 December (Average sunshine: 4h and 54min).
Average sunshine days in December
Mount Sulphur, TN
- Average sunshine days in December: 16 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (10 days).
Average UV index in December
Mount Sulphur, 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
Mount Sulphur, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Mount Sulphur, TN
- Average visibility in December: 5mi
The months with the highest visibility are February, April, June, October and November (6mi).
The months with the lowest visibility are January, March, May, July, August, September and December (5mi).
Mount Sulphur, Tennessee, USA
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