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 implies a soft temperature shift, with average high-temperatures reducing from November's refreshing 56.3°F (13.5°C) to a chilly 48.6°F (9.2°C). Pennine's nighttime temperature in December falls to an average of 34.7°F (1.5°C).Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
In Pennine, in December, it is raining for 13 days, with typically 3.98" (101mm) of accumulated precipitation. Throughout the year, there are 176 rainfall days, and 40.51" (1029mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Pennine, Tennessee. In Pennine, Tennessee, in December, snow falls for 2 days, with typically accumulated 0.79" (20mm) of snow. Throughout the year, in Pennine, there are 11.6 snowfall days, and 2.91" (74mm) of snow is accumulated.Daylight
December has the shortest days of the year in Pennine, Tennessee, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:31 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:36 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 4.9h of sunshine.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 threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
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?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Pennine have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Pennine, 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
Pennine, 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
Pennine, 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
Pennine, 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
Pennine, 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
Pennine, 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
Pennine, 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
Pennine, 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
Pennine, 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
Pennine, 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
Pennine, 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
Pennine, 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
Pennine, 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).
Pennine, Tennessee, USA
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