December weather forecastDehlin, ID
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Dehlin, Idaho, with temperature in the range of an average low of 14.4°F (-9.8°C) and an average high of 27°F (-2.8°C).Temperature
The coldest period tends to be December, when average temperatures fluctuate between a high of 27°F (-2.8°C) and a low of 14.4°F (-9.8°C).Humidity
The average relative humidity in December in Dehlin is 88%.Rainfall
In Dehlin, in December, it is raining for 5.3 days, with typically 0.98" (25mm) of accumulated precipitation. In Dehlin, during the entire year, the rain falls for 101.4 days and collects up to 12.72" (323mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In December, it is snowing for 16.9 days. Throughout December, 7.28" (185mm) of snow is accumulated. Throughout the year, there are 85.8 snowfall days, and 40.94" (1040mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:40 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:59 am and sunset at 5:01 pm MST.
Sunshine
The average sunshine in December is 4.9h.UV index
The months with the lowest UV index in Dehlin are January, February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dehlin, ID
- Average high temperature in December: 27°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (27°F).
- Average low temperature in December: 14.4°F
The month with the highest average low temperature is July (52.7°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure in December
Dehlin, ID
- Average pressure in December: 30.26"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Dehlin, ID
- Average wind speed in December: 5.6mph
The windiest month (with the highest average wind speed) is June (7.8mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in December
Dehlin, ID
- Average humidity in December: 88%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (39%).
Average rainfall in December
Dehlin, ID
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in December
Dehlin, ID
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is January (3 days).
Average snowfall in December
Dehlin, ID
- Average snowfall in December: 7.28"
The month with the highest snowfall is January (8.11").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Dehlin, ID
- Average snowfall days in December: 16.9 days
The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Dehlin, ID
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Dehlin, ID
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is July (19.8 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in December
Dehlin, ID
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Dehlin, ID
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in December
Dehlin, ID
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
