January weather forecastGlenns Ferry, ID
January
Weather in January
January, the same as December, is another cold winter month in Glenns Ferry, Idaho, with an average temperature ranging between max 36.7°F (2.6°C) and min 25°F (-3.9°C).Temperature
Entering January, Glenns Ferry's average high-temperature reads a still cold 36.7°F (2.6°C), indicating a close resemblance to the previous month's climate. Glenns Ferry in January experiences a low-temperature average of 25°F (-3.9°C).Humidity
January is the most humid month in Glenns Ferry, with an average relative humidity of 77%.Rainfall
In Glenns Ferry, Idaho, during January, the rain falls for 7.8 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, in Glenns Ferry, there are 80.6 rainfall days, and 7.36" (187mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall in Glenns Ferry, Idaho, is January, when snow falls for 4.5 days and typically aggregates up to 2.99" (76mm) of snow.Daylight
In Glenns Ferry, the average length of the day in January is 9h and 27min.On the first day of the month, sunrise is at 8:12 am and sunset at 5:17 pm. On the last day of January, in Glenns Ferry, sunrise is at 7:57 am and sunset at 5:52 pm MST.
Sunshine
The average sunshine in January is 6.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Glenns Ferry. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 during January translates into the following guidance:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Glenns Ferry, ID
- Average high temperature in January: 36.7°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is December (35.4°F).
- Average low temperature in January: 25°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).
Average pressure in January
Glenns Ferry, ID
- Average pressure in January: 30.27"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
Glenns Ferry, ID
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in January
Glenns Ferry, ID
- Average humidity in January: 77%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is July (26%).
Average rainfall in January
Glenns Ferry, ID
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is December (1.22").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in January
Glenns Ferry, ID
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is March (12.3 days).
The month with the least rainy days is July (3.1 days).
Average snowfall in January
Glenns Ferry, ID
- Average snowfall in January: 2.99"
The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Glenns Ferry, ID
- Average snowfall days in January: 4.5 days
The month with the highest number of snowfall days is December (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Glenns Ferry, ID
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 6h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in January
Glenns Ferry, ID
- Average sunshine days in January: 19.9 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (16.5 days).
Average UV index in January
Glenns Ferry, ID
- 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, November and December (UV index 2).
Average cloud cover in January
Glenns Ferry, ID
- Average cloud cover in January: 33
The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in January
Glenns Ferry, ID
- 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).





