December weather forecastRadersburg, MT
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Radersburg, Montana, with an average temperature varying between 12.7°F (-10.7°C) and 28°F (-2.2°C).Temperature
The coldest time of the year is December, with temperatures averaging a high of 28°F (-2.2°C) and a low of 12.7°F (-10.7°C).Humidity
In Radersburg, the average relative humidity in December is 84%.Rainfall
In Radersburg, during December, the rain falls for 9.5 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Radersburg, during the entire year, the rain falls for 134.2 days and collects up to 11.34" (288mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Radersburg. In Radersburg, Montana, in December, snow falls for 14.8 days, with typically accumulated 4.72" (120mm) of snow. Throughout the year, there are 79.6 snowfall days, and 30.08" (764mm) of snow is accumulated.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Radersburg.On the first day of December, sunrise is at 7:49 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 8:09 am and sunset at 4:50 pm MST.
Sunshine
In December, the average sunshine is 6.1h.UV index
The month with the lowest UV index in Radersburg is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 1 during December translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Always opt for UVA and UVB-resistant sunglasses on radiant days. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Radersburg, MT
- Average high temperature in December: 28°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (28°F).
- Average low temperature in December: 12.7°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (12.7°F).
Average pressure in December
Radersburg, MT
- Average pressure in December: 30.19"Hg
The months with the highest atmospheric pressure are January and December (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Radersburg, MT
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Radersburg, MT
- Average humidity in December: 84%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (44%).
Average rainfall in December
Radersburg, MT
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is June (1.57").
The driest month (with the least rainfall) is August (0.51").
Average rainfall days in December
Radersburg, MT
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is April (16.5 days).
The month with the least rainy days is August (7.6 days).
Average snowfall in December
Radersburg, MT
- Average snowfall in December: 4.72"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Radersburg, MT
- Average snowfall days in December: 14.8 days
The month with the highest number of snowfall days is February (16.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Radersburg, MT
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 6h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in December
Radersburg, MT
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is September (18.7 days).
The month with the least sunshine days is April (9.3 days).
Average UV index in December
Radersburg, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Radersburg, MT
- Average cloud cover in December: 38
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in December
Radersburg, MT
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
