December weather forecastCorwin Springs, MT
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Corwin Springs, Montana, with temperature in the range of an average low of 7.9°F (-13.4°C) and an average high of 22.5°F (-5.3°C).Temperature
December, known for its average high temperature of 22.5°F (-5.3°C) and an average low temperature of 7.9°F (-13.4°C), is the coldest month.Humidity
In Corwin Springs, the average relative humidity in December is 89%.Rainfall
In Corwin Springs, Montana, in December, it is raining for 6.3 days, with typically 1.34" (34mm) of accumulated precipitation. Throughout the year, in Corwin Springs, there are 116.1 rainfall days, and 23.5" (597mm) of precipitation is accumulated.Snowfall
January through December are months with snowfall. In Corwin Springs, during December, snow falls for 19.1 days and regularly aggregates up to 11.1" (282mm) of snow. Throughout the year, in Corwin Springs, there are 151.6 snowfall days, and 124.06" (3151mm) of snow is accumulated.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Corwin Springs.On the first day of December, sunrise is at 7:42 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 4:51 pm MST.
Sunshine
In Corwin Springs, the average sunshine in December is 4.8h.UV index
In Corwin Springs, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Corwin Springs, MT
- Average high temperature in December: 22.5°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is December (22.5°F).
- Average low temperature in December: 7.9°F
The month with the highest average low temperature is August (45.1°F).
The coldest month (with the lowest average low temperature) is December (7.9°F).
Average pressure in December
Corwin Springs, MT
- Average pressure in December: 30.21"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Corwin Springs, MT
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Corwin Springs, MT
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is August (51%).
Average rainfall in December
Corwin Springs, MT
- Average rainfall in December: 1.34"
The wettest months (with the highest rainfall) are April and May (2.91").
The driest month (with the least rainfall) is July (1.18").
Average rainfall days in December
Corwin Springs, MT
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Corwin Springs, MT
- Average snowfall in December: 11.1"
The month with the highest snowfall is April (19.88").
The month with the least snowfall is August (0.08").
Average snowfall days in December
Corwin Springs, MT
- Average snowfall days in December: 19.1 days
The month with the highest number of snowfall days is March (21 days).
The month with the least snowfall days is August (0.3 days).
Average daylight in December /
Average sunshine in December
Corwin Springs, MT
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Corwin Springs, MT
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is May (5.7 days).
Average UV index in December
Corwin Springs, MT
- 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 and February (UV index 1).
Average cloud cover in December
Corwin Springs, MT
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 17).
Average visibility in December
Corwin Springs, MT
- Average visibility in December: 4mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April and December (4mi).
