January weather forecastBillings, MT

January
Weather in January
January in Billings, Montana, locks itself into the stillness of winter with an average low temperature of 19.2°F (-7.1°C) and an average snowfall of 5.35" (136mm). As this is one of the coldest months, the city is often enveloped in a layer of powdery snow that helps to create an idyllic winter scene. January continues the trend of December with a high amount of snowfall, making it the perfect weather for winter sports enthusiasts. The snow gradually clears towards the end of the month, giving way to a slightly warmer February. January also carries the distinction of more snow-covered days than any other month with 12.7 days on average.Temperature
January is marked by an average high-temperature of a cold 32.2°F (0.1°C), almost identical to the preceding month. Billings experiences a mean temperature of 19.2°F (-7.1°C) during January nights.Humidity
With an average relative humidity of 76%, January is the most humid month.Rainfall
In Billings, in January, during 6.3 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 128.5 rainfall days, and 14.69" (373mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Billings, during January, snow falls for 12.7 days and regularly aggregates up to 5.35" (136mm) of snow. In Billings, during the entire year, snow falls for 64.5 days and aggregates up to 31.18" (792mm) of snow.Daylight
In Billings, the average length of the day in January is 9h and 10min.On the first day of January, sunrise is at 7:55 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:17 pm MST.
Sunshine
In January, the average sunshine is 5.5h.UV index
The months with the lowest UV index in Billings are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 2 in January translates into this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Billings, MT
- Average high temperature in January: 32.2°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (31.1°F).
- Average low temperature in January: 19.2°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).
Average pressure in January
Billings, MT
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in January
Billings, MT
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in January
Billings, MT
- Average humidity in January: 76%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (40%).
Average rainfall in January
Billings, MT
- Average rainfall in January: 0.83"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is July (0.71").
Average rainfall days in January
Billings, MT
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in January
Billings, MT
- Average snowfall in January: 5.35"
The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Billings, MT
- Average snowfall days in January: 12.7 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Billings, MT
- Average daylight in January: 9h and 12min
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 January: 5h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in January
Billings, MT
- Average sunshine days in January: 15.5 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (9.9 days).
Average UV index in January
Billings, MT
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Billings, MT
- Average cloud cover in January: 42
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in January
Billings, MT
- Average visibility in January: 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).





