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
The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's refreshing 57.7°F (14.3°C) to a frosty 49.8°F (9.9°C). December brings an average low-temperature of 36.1°F (2.3°C) to Jasper.Humidity
The most humid month in Jasper is December, with an average relative humidity of 81%.Rainfall
In Jasper, in December, it is raining for 13.5 days, with typically 3.9" (99mm) of accumulated precipitation. Throughout the year, there are 172.1 rainfall days, and 38.62" (981mm) of precipitation is accumulated.Snowfall
Months with snowfall in Jasper are January through April, November and December. In Jasper, during December, snow falls for 1.2 days and regularly aggregates up to 0.24" (6mm) of snow. In Jasper, during the entire year, snow falls for 7 days and aggregates up to 1.65" (42mm) of snow.Daylight
December has the shortest days of the year in Jasper, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:32 am and sunset at 4:30 pm. On the last day of December, sunrise is at 6:50 am and sunset at 4:41 pm CST.
Sunshine
The average sunshine in December in Jasper is 4.8h.UV index
The months with the lowest UV index 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 unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 during December leads to these advisories:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Jasper?
What is the most humid month in Jasper?
What is the average humidity in December in Jasper?
How much does it rain in Jasper in December?
How many days does it snow in December in Jasper?
What is the month with the shortest days in Jasper?
How many hours of daylight does Jasper have in December?
When are sunrise and sunset in December in Jasper?
How many hours of sunshine does Jasper have in December?
What are the months with the lowest UV index in Jasper?
How high is the UV index in December in Jasper?
Average temperature in December
Jasper, TN
- Average high temperature in December: 49.8°F
The warmest month (with the highest average high temperature) is July (87.4°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 (66°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in December
Jasper, 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
Jasper, TN
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are February, March and April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in December
Jasper, TN
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Jasper, TN
- Average rainfall in December: 3.9"
The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is September (2.36").
Average rainfall days in December
Jasper, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in December
Jasper, TN
- Average snowfall in December: 0.24"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Jasper, TN
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Jasper, 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 months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Jasper, TN
- Average sunshine days in December: 16 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (10 days).
Average UV index in December
Jasper, 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
Jasper, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 33).
Average visibility in December
Jasper, TN
- Average visibility in December: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Jasper, Tennessee, USA
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