December weather forecastPeerless, MT
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Peerless, Montana, with an average temperature varying between 24.6°F (-4.1°C) and 12.4°F (-10.9°C).Temperature
The onset of December brings a small change in high-temperatures, falling from an icy 38.7°F (3.7°C) in November to a freezing cold 24.6°F (-4.1°C). Peerless's nights in December experience an average temperature drop to an extreme cold 12.4°F (-10.9°C).Humidity
In December, the average relative humidity is 84%.Rainfall
In December, the rain falls for 4.5 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. Throughout the year, in Peerless, there are 95.7 rainfall days, and 11.69" (297mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, in Peerless, it is snowing for 13.6 days. Throughout December, 3.58" (91mm) of snow is accumulated. Throughout the year, in Peerless, there are 63.4 snowfall days, and 17.99" (457mm) of snow is accumulated.Daylight
The month with the shortest days in Peerless is December, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 7:36 am and sunset at 4:09 pm. On the last day of December, sunrise is at 7:56 am and sunset at 4:17 pm MST.
Sunshine
The average sunshine in December is 4.8h.UV index
December is the month with the lowest UV index in Peerless, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, a daily UV index of 1 turns into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Peerless, MT
- Average high temperature in December: 24.6°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is February (23°F).
- Average low temperature in December: 12.4°F
The month with the highest average low temperature is July (63.7°F).
The coldest months (with the lowest average low temperature) are January and February (10.2°F).
Average pressure in December
Peerless, MT
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Peerless, MT
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).
Average humidity in December
Peerless, MT
- Average humidity in December: 84%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (42%).
Average rainfall in December
Peerless, MT
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Peerless, MT
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in December
Peerless, MT
- Average snowfall in December: 3.58"
The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Peerless, MT
- Average snowfall days in December: 13.6 days
The month with the highest number of snowfall days is December (13.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Peerless, MT
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 4h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Peerless, MT
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is September (21.4 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in December
Peerless, MT
- Average UV index in December: 1
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Peerless, MT
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in December
Peerless, MT
- 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).
