Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Cheyenne's weather in January indicates an average high-temperature of a still icy 36.9°F (2.7°C), nearly consistent with the 34.7°F (1.5°C) of December. The nights of January in Cheyenne anticipate an average low-temperature of 22.3°F (-5.4°C).Humidity
In January, the average relative humidity is 61%.Rainfall
January is the month with the least rainfall. Rain falls for 4.7 days and accumulates 0.43" (11mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 8.9 days. Throughout January, 2.28" (58mm) of snow is accumulated. Throughout the year, there are 62 snowfall days, and 30.51" (775mm) of snow is accumulated.Daylight
In January, the average length of the day in Cheyenne is 9h and 37min.On the first day of January, sunrise is at 7:24 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:14 pm MST.
Sunshine
In Cheyenne, the average sunshine in January is 6.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: An average maximum UV index of 2 in January leads to these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To avoid the Sun's strongest rays, limit exposure around the mid-day period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Cheyenne have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Cheyenne have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Cheyenne, WY
- Average high temperature in January: 36.9°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is December (34.7°F).
- Average low temperature in January: 22.3°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in January
Cheyenne, WY
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
Cheyenne, WY
- Average wind speed in January: 14.2mph
The windiest month (with the highest average wind speed) is January (14.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in January
Cheyenne, WY
- Average humidity in January: 61%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (43%).
Average rainfall in January
Cheyenne, WY
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in January
Cheyenne, WY
- Average rainfall days in January: 4.7 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in January
Cheyenne, WY
- Average snowfall in January: 2.28"
The month with the highest snowfall is March (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Cheyenne, WY
- Average snowfall days in January: 8.9 days
The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Cheyenne, WY
- Average daylight in January: 9h and 4min
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 18min).
- Average sunshine in January: 6h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).
Average sunshine days in January
Cheyenne, WY
- Average sunshine days in January: 20.7 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is April (9.3 days).
Average UV index in January
Cheyenne, WY
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Cheyenne, WY
- Average cloud cover in January: 26
The months with the most cloud cover are April and May (Cloud cover 32).
The month with the least cloud cover is September (Cloud cover 18).
Average visibility in January
Cheyenne, WY
- 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).
Cheyenne, Wyoming, USA
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