December weather forecastMountain Home, UT
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Mountain Home, Utah, with temperature in the range of an average low of 9.3°F (-12.6°C) and an average high of 25.7°F (-3.5°C).Temperature
December, with its average high-temperature of 25.7°F (-3.5°C) and an average low-temperature of 9.3°F (-12.6°C), holds the record as the coldest month.Humidity
In December, the average relative humidity in Mountain Home is 78%.Rainfall
In Mountain Home, during December, the rain falls for 5.7 days and regularly aggregates up to 0.59" (15mm) of precipitation. In Mountain Home, during the entire year, the rain falls for 98.4 days and collects up to 11.54" (293mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Mountain Home, Utah. In Mountain Home, in December, snow falls for 11.6 days, with typically accumulated 5" (127mm) of snow. In Mountain Home, during the entire year, snow falls for 87 days and aggregates up to 51.73" (1314mm) of snow.Daylight
December has the shortest days of the year in Mountain Home, Utah, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:44 am and sunset at 5:05 pm MST.
Sunshine
In Mountain Home, the average sunshine in December is 6.4h.UV index
The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mountain Home, UT
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (73°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in December: 9.3°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in December
Mountain Home, UT
- Average pressure in December: 30.22"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
Mountain Home, UT
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Mountain Home, UT
- Average humidity in December: 78%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are June and July (44%).
Average rainfall in December
Mountain Home, UT
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Mountain Home, UT
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is November (3.4 days).
Average snowfall in December
Mountain Home, UT
- Average snowfall in December: 5"
The month with the highest snowfall is March (10.24").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Mountain Home, UT
- Average snowfall days in December: 11.6 days
The month with the highest number of snowfall days is March (13.1 days).
The month with the least snowfall days is July (0 days).
Average daylight in December /
Average sunshine in December
Mountain Home, UT
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in December
Mountain Home, UT
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in December
Mountain Home, UT
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Mountain Home, UT
- Average cloud cover in December: 33
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 13).
Average visibility in December
Mountain Home, UT
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
