January weather forecastGranger, WY
January
Weather in January
January, like December, is a freezing cold winter month in Granger, Wyoming, with an average temperature fluctuating between 27.9°F (-2.3°C) and 12.2°F (-11°C).Temperature
Granger greets January with an average high-temperature of a still freezing cold 27.9°F (-2.3°C), marking a slight deviation from the preceding month. In Granger, January nights witness a steady temperature drop to an extreme cold 12.2°F (-11°C).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 82%.Rainfall
The months with the least rainfall are January and July Rain falls for 8.2 days and accumulates 0.63" (16mm) of rain.Snowfall
January through June, September through December are months with snowfall. In January, it is snowing for 12.2 days. Throughout January, 4.02" (102mm) of snow is accumulated. In Granger, during the entire year, snow falls for 85.7 days and aggregates up to 41.22" (1047mm) of snow.Daylight
In Granger, the average length of the day in January is 9h and 35min.On the first day of January, sunrise is at 7:46 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:33 pm MST.
Sunshine
In January, the average sunshine is 6.5h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 2 suggests this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Granger, WY
- Average high temperature in January: 27.9°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in January: 12.2°F
The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in January
Granger, WY
- Average pressure in January: 30.28"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in January
Granger, WY
- Average wind speed in January: 9.3mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in January
Granger, WY
- Average humidity in January: 82%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in January
Granger, WY
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are January and July (0.63").
Average rainfall days in January
Granger, WY
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is November (6 days).
Average snowfall in January
Granger, WY
- Average snowfall in January: 4.02"
The month with the highest snowfall is March (8.78").
The months with the least snowfall are July and August (0").
Average snowfall days in January
Granger, WY
- Average snowfall days in January: 12.2 days
The month with the highest number of snowfall days is March (15.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in January /
Average sunshine in January
Granger, WY
- Average daylight in January: 9h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 6h and 30min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in January
Granger, WY
- Average sunshine days in January: 17.2 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is April (9.4 days).
Average UV index in January
Granger, WY
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in January
Granger, WY
- Average cloud cover in January: 31
The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in January
Granger, WY
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





