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 is the coldest month, exhibiting average temperatures of 36.9°F (2.7°C) at the peak and 25.9°F (-3.4°C) at the base.Humidity
The average relative humidity in December is 74%.Rainfall
The month with the most rainfall is December, when the rain falls for 9.4 days and typically aggregates up to 1.3" (33mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall is December, when snow falls for 7.1 days and typically aggregates up to 4.06" (103mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:56 am and sunset at 5:10 pm. On the last day of December, sunrise is at 8:15 am and sunset at 5:19 pm MST.
Sunshine
With an average of 6.2h of sunshine, December has the least sunshine of the year.UV index
January, February, November 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 health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. 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. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in December?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
When does it snow the most in Grand View?
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?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Grand View have in December?
When is the lowest UV index?
What is the UV index intensity in December in Grand View?
Average temperature in December
Grand View, 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
Grand View, 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
Grand View, 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
Grand View, 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
Grand View, 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
Grand View, 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
Grand View, 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
Grand View, 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
Grand View, 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
Grand View, 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
Grand View, 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
Grand View, 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
Grand View, 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).
Grand View, Idaho, USA
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