January weather forecastNashua, MT
January
Weather in January
January, like December, is another subzero cold winter month in Nashua, Montana, with an average temperature ranging between max 24.3°F (-4.3°C) and min 10.9°F (-11.7°C).Temperature
An average high-temperature of a still freezing cold 24.3°F (-4.3°C) marks January, exhibiting a close resemblance to the conditions in December. Throughout January, an average low-temperature of 10.9°F (-11.7°C) is expected.Humidity
January is the most humid month, 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
January through May, October through December are months with snowfall. In Nashua, in January, snow falls for 7.9 days, with typically accumulated 1.93" (49mm) of snow. Throughout the year, in Nashua, there are 43.8 snowfall days, and 13.11" (333mm) of snow is accumulated.Daylight
The average length of the day in January is 8h and 53min.On the first day of the month, sunrise is at 7:55 am and sunset at 4:22 pm. On the last day of January, sunrise is at 7:34 am and sunset at 5:02 pm MST.
Sunshine
In Nashua, Montana, the average sunshine in January is 5h.UV index
In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 2 in January translates into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Nashua, 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
Nashua, 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
Nashua, 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
Nashua, 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
Nashua, 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
Nashua, 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
Nashua, 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
Nashua, 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
Nashua, 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
Nashua, 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
Nashua, 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
Nashua, 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
Nashua, 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).





