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 shift from November to December includes a small decrease in the average high-temperature, from a fresh 54.5°F (12.5°C) to a frosty 46.6°F (8.1°C). Mountain Home records an average low of 32.4°F (0.2°C) throughout the nights in December.Humidity
February and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In Mountain Home, in December, during 13.6 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. In Mountain Home, during the entire year, the rain falls for 187.8 days and collects up to 32.76" (832mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 6.2 days and accumulates 3.74" (95mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:22 am and sunset at 5:14 pm. On the last day of December, in Mountain Home, sunrise is at 7:40 am and sunset at 5:24 pm EST.
Sunshine
In December, the average sunshine is 5.5h.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 minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Mountain Home have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Mountain Home, TN
- Average high temperature in December: 46.6°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).
Average pressure in December
Mountain Home, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Mountain Home, TN
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Mountain Home, TN
- Average humidity in December: 79%
The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is November (75%).
Average rainfall in December
Mountain Home, TN
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is February (3.27").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Mountain Home, TN
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in December
Mountain Home, TN
- Average snowfall in December: 3.74"
The month with the highest snowfall is December (3.74").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Mountain Home, TN
- Average snowfall days in December: 6.2 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mountain Home, TN
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
Mountain Home, TN
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in December
Mountain Home, TN
- Average UV index in December: 2
The months with the highest UV index are 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
Mountain Home, TN
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 31).
Average visibility in December
Mountain Home, TN
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, October and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September and December (5mi).
Mountain Home, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location