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
Mountain Home notes the coldest temperatures in December, with a high average of 36.9°F (2.7°C) and a low of 25.9°F (-3.4°C).Humidity
In Mountain Home, the average relative humidity in December is 74%.Rainfall
December is the month with the most rainfall. Rain falls for 9.4 days and accumulates 1.3" (33mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. The month with the most snowfall in Mountain Home is December, when snow falls for 7.1 days and typically aggregates up to 4.06" (103mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:55 am and sunset at 5:08 pm. On the last day of December, sunrise is at 8:14 am and sunset at 5:17 pm MST.
Sunshine
With an average of 6.2h of sunshine, December has the least sunshine of the year in Mountain Home.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What time of the year is the coldest in Mountain Home?
How cold is it in Mountain Home in December?
What is the average humidity in December in Mountain Home?
What is the wettest month in Mountain Home?
How many days does it rain in December in Mountain Home?
When does it snow the most in Mountain Home?
How much does it snow in Mountain Home in December?
What is the month with the shortest days in Mountain Home?
What is the average length of the day in December in Mountain Home?
When are sunrise and sunset in December in Mountain Home?
What is the month with the least sunshine in Mountain Home?
How long on average sun shines in December in Mountain Home?
When is the lowest UV index in Mountain Home?
How high is the UV index in December in Mountain Home?
Average temperature in December
Mountain Home, ID
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is December (36.9°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is December (25.9°F).
Average pressure in December
Mountain Home, ID
- Average pressure in December: 30.22"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Mountain Home, ID
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in December
Mountain Home, ID
- Average humidity in December: 74%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is July (25%).
Average rainfall in December
Mountain Home, ID
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is August (0.08").
Average rainfall days in December
Mountain Home, ID
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is July (2 days).
Average snowfall in December
Mountain Home, ID
- Average snowfall in December: 4.06"
The month with the highest snowfall is December (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Mountain Home, ID
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is December (7.1 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
Mountain Home, ID
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in December
Mountain Home, ID
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (14.9 days).
Average UV index in December
Mountain Home, ID
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Mountain Home, ID
- Average cloud cover in December: 34
The month with the most cloud cover is December (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in December
Mountain Home, ID
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Mountain Home, Idaho, USA
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