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 marks a gentle change in average high-temperature, declining from November's moderate 56.8°F (13.8°C) to a frosty 49.1°F (9.5°C). Throughout December, Morgantown records an average temperature of 35.2°F (1.8°C) at night.Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
In Morgantown, in December, during 12.5 rainfall days, 3.78" (96mm) of precipitation is typically accumulated. In Morgantown, during the entire year, the rain falls for 163.6 days and collects up to 37.44" (951mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Morgantown, in December, snow falls for 1.4 days, with typically accumulated 0.43" (11mm) of snow. Throughout the year, there are 8.2 snowfall days, and 2.01" (51mm) 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 the month, sunrise is at 7:31 am and sunset at 5:27 pm. On the last day of December, sunrise is at 7:49 am and sunset at 5:37 pm EST.
Sunshine
With an average of 4.8h of sunshine, December has the least sunshine of the year.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 in December translates into this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine in Morgantown?
How many hours of sunshine does Morgantown have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Morgantown, TN
- Average high temperature in December: 49.1°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 (45.1°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Morgantown, 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
Morgantown, 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 (4mph).
Average humidity in December
Morgantown, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are January, June, July, August, September, October and November (76%).
Average rainfall in December
Morgantown, TN
- Average rainfall in December: 3.78"
The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in December
Morgantown, TN
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Morgantown, TN
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Morgantown, TN
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is January (2.8 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
Morgantown, 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 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Morgantown, TN
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Morgantown, 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
Morgantown, 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 32).
Average visibility in December
Morgantown, TN
- Average visibility in December: 5mi
The months with the highest visibility are February, June, October and November (6mi).
The months with the lowest visibility are January, March, April, May, July, August, September and December (5mi).
Morgantown, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location