January weather forecastGrass Range, MT
January
Weather in January
January, the same as December, in Grass Range, Montana, is a freezing cold winter month, with an average temperature ranging between max 30.6°F (-0.8°C) and min 16.9°F (-8.4°C).Temperature
Grass Range, Montana, signifies an average high-temperature of a still freezing cold 30.6°F (-0.8°C) in January, closely mirroring the 29.1°F (-1.6°C) of December. During the nights in January, Grass Range observes an average low-temperature of 16.9°F (-8.4°C).Humidity
In January, the average relative humidity in Grass Range, Montana, is 78%.Rainfall
In Grass Range, Montana, in January, it is raining for 5.4 days, with typically 0.83" (21mm) of accumulated precipitation. In Grass Range, Montana, during the entire year, the rain falls for 126.2 days and collects up to 17.83" (453mm) of precipitation.Snowfall
Months with snowfall in Grass Range are January through June, September through December. In January, it is snowing for 12.9 days. Throughout January, 5.47" (139mm) of snow is accumulated. In Grass Range, during the entire year, snow falls for 83.4 days and aggregates up to 45.51" (1156mm) of snow.Daylight
In Grass Range, the average length of the day in January is 9h and 1min.On the first day of January in Grass Range, sunrise is at 8:00 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:15 pm MST.
Sunshine
In Grass Range, the average sunshine in January is 5.7h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Grass Range. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Grass Range, MT
- Average high temperature in January: 30.6°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The months with the lowest average high temperature are February and December (29.1°F).
- Average low temperature in January: 16.9°F
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).
Average pressure in January
Grass Range, MT
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
Grass Range, MT
- Average wind speed in January: 9.9mph
The windiest months (with the highest average wind speed) are January, April and October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).
Average humidity in January
Grass Range, MT
- Average humidity in January: 78%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (47%).
Average rainfall in January
Grass Range, MT
- Average rainfall in January: 0.83"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in January
Grass Range, MT
- Average rainfall days in January: 5.4 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in January
Grass Range, MT
- Average snowfall in January: 5.47"
The month with the highest snowfall is April (9.13").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Grass Range, MT
- Average snowfall days in January: 12.9 days
The month with the highest number of snowfall days is February (15.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Grass Range, MT
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 5h and 42min
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 30min).
Average sunshine days in January
Grass Range, MT
- Average sunshine days in January: 15.9 days
The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (8.3 days).
Average UV index in January
Grass Range, MT
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in January
Grass Range, MT
- Average cloud cover in January: 39
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in January
Grass Range, 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).
