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
Altamont's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's moderate 55.9°F (13.3°C) to a frosty 48.2°F (9°C). Altamont's average low-temperature during December nights is observed to be an icy 34.7°F (1.5°C).Humidity
December is the most humid month, with an average relative humidity of 82%.Rainfall
In Altamont, in December, during 13.5 rainfall days, 4.21" (107mm) of precipitation is typically accumulated. In Altamont, Tennessee, during the entire year, the rain falls for 182.8 days and collects up to 45.91" (1166mm) of precipitation.Snowfall
Months with snowfall in Altamont are January through April, October through December. In Altamont, Tennessee, in December, during 2.8 snowfall days, 1.46" (37mm) of snow is typically accumulated. Throughout the year, in Altamont, there are 16.6 snowfall days, and 6.5" (165mm) of snow is accumulated.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 6:34 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 4:40 pm CST.
Sunshine
In Altamont, the average sunshine in December is 4.7h.UV index
The months with the lowest UV index in Altamont are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the average December temperature in Altamont?
What is the most humid month in Altamont?
What is the average humidity in December in Altamont?
How much does it rain in Altamont in December?
How many days does it snow in December in Altamont?
What is the month with the shortest days in Altamont?
How many hours of daylight does Altamont have in December?
What time are sunrise and sunset in December in Altamont?
How long on average sun shines in December in Altamont?
What are the months with the lowest UV index in Altamont?
What is the UV index intensity in December in Altamont?
Average temperature in December
Altamont, TN
- Average high temperature in December: 48.2°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in December: 34.7°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 (29.7°F).
Average pressure in December
Altamont, TN
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Altamont, TN
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Altamont, TN
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in December
Altamont, TN
- Average rainfall in December: 4.21"
The wettest month (with the highest rainfall) is July (4.92").
The driest month (with the least rainfall) is November (2.8").
Average rainfall days in December
Altamont, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (10 days).
Average snowfall in December
Altamont, TN
- Average snowfall in December: 1.46"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Altamont, TN
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is February (5.1 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
Altamont, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Altamont, TN
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is July (7.1 days).
Average UV index in December
Altamont, 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
Altamont, TN
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 34).
Average visibility in December
Altamont, TN
- Average visibility in December: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).
Altamont, Tennessee, USA
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