January weather forecastGrouse, ID
January
Weather in January
January, the same as December, in Grouse, Idaho, is a freezing cold winter month, with temperature in the range of an average high of 26.6°F (-3°C) and an average low of 10°F (-12.2°C).Temperature
The transition from December to January sees average high-temperatures adjusting to a still freezing cold 26.6°F (-3°C), from a not significantly different 25.3°F (-3.7°C). Grouse's temperature drops to an average low of 10°F (-12.2°C) during the nights of January.Humidity
With an average relative humidity of 86%, January is the most humid month.Rainfall
In Grouse, during January, the rain falls for 7.3 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Grouse, during the entire year, the rain falls for 107.2 days and collects up to 10.31" (262mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Grouse, during January, snow falls for 14.8 days and regularly aggregates up to 6.46" (164mm) of snow. Throughout the year, there are 75.2 snowfall days, and 35.28" (896mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 23min.On the first day of January, sunrise is at 8:07 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:43 pm MST.
Sunshine
With an average of 5.5h of sunshine, January has the least sunshine of the year.UV index
The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. 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
Grouse, ID
- Average high temperature in January: 26.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (25.3°F).
- Average low temperature in January: 10°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in January
Grouse, ID
- Average pressure in January: 30.29"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Grouse, ID
- Average wind speed in January: 4.7mph
The windiest month (with the highest average wind speed) is June (8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity in January
Grouse, ID
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are July and August (32%).
Average rainfall in January
Grouse, ID
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in January
Grouse, ID
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is July (5.9 days).
Average snowfall in January
Grouse, ID
- Average snowfall in January: 6.46"
The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Grouse, ID
- Average snowfall days in January: 14.8 days
The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Grouse, ID
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 5h and 30min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in January
Grouse, ID
- Average sunshine days in January: 16.4 days
The month with the most sunshine days is July (20.9 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in January
Grouse, ID
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in January
Grouse, ID
- Average cloud cover in January: 42
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in January
Grouse, ID
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).





