January weather forecastSaint Marie, MT
January
Weather in January
January, like December, is another subzero cold winter month in Saint Marie, Montana, with an average temperature varying between 10.9°F (-11.7°C) and 24.3°F (-4.3°C).Temperature
The onset of January manifests an average high-temperature of a still freezing cold 24.3°F (-4.3°C), demonstrating a minor variation from the preceding month. Saint Marie witnesses a consistent average low-temperature of 10.9°F (-11.7°C) throughout January.Humidity
The most humid month is January, with an average relative humidity of 86%.Rainfall
The months with the least rainfall are January and February Rain falls for 2.5 days and accumulates 0.35" (9mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Saint Marie, during January, snow falls for 7.9 days and regularly aggregates up to 1.93" (49mm) of snow. In Saint Marie, during the entire year, snow falls for 43.8 days and aggregates up to 13.11" (333mm) of snow.Daylight
The average length of the day in January is 8h and 52min.On the first day of January, sunrise is at 7:57 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:02 pm MST.
Sunshine
In January, the average sunshine is 5h.UV index
In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Saint Marie, MT
- Average high temperature in January: 24.3°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is February (23.7°F).
- Average low temperature in January: 10.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (10.2°F).
Average pressure in January
Saint Marie, MT
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in January
Saint Marie, MT
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).
Average humidity in January
Saint Marie, MT
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (42%).
Average rainfall in January
Saint Marie, MT
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and February (0.35").
Average rainfall days in January
Saint Marie, MT
- Average rainfall days in January: 2.5 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in January
Saint Marie, MT
- Average snowfall in January: 1.93"
The month with the highest snowfall is December (2.6").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Saint Marie, MT
- Average snowfall days in January: 7.9 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Saint Marie, MT
- Average daylight in January: 8h and 54min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January: 5h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Saint Marie, MT
- Average sunshine days in January: 21.1 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in January
Saint Marie, MT
- Average UV index in January: 2
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 January
Saint Marie, MT
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in January
Saint Marie, 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).





