Cheyenne
Wyoming, USA
Long term weather forecast
Long term weather forecast

January weather forecast and Climate
Cheyenne, WY

  • Average high temperature in January: 39.5°F

Warmest month (with highest average high temperature) is July (83.4°F).
Month with lowest average high temperature is December (38.2°F).

  • Average low temperature in January: 18°F

Month with highest average low temperature is July (55.5°F).
Coldest month (with lowest average low temperature) is December (17.3°F).

  • Average humidity in January: 52.5%

Month with highest relative humidity is March (56.1%).
Month with lowest relative humidity is October (50%).

  • Average rainfall in January: 0.3"

Wettest months (with highest rainfall) are May and June (2.3").
Driest month (with lowest rainfall) is January (0.3").

  • Average rainfall days in January: 4.9 days

Month with highest number of rainy days is May (12.4 days).
Month with lowest number of rainy days is January (4.9 days).

  • Average snowfall in January: 5.9"

Month with highest snowfall is March (11.3").
Months with lowest snowfall are June, July and August (0").

  • Average snowfall days in January: 5.7 days

Month with highest number of snowfall days is March (7.8 days).
Months with lowest number of snowfall days are July and August (0 days).

  • Average daylight in January: 10h

Months with longest days are May, June and July (Average daylight: 15).
Month with shortest days is December (Average daylight: 9).

  • Average sunshine in January: 6.2h

Month with most sunshine is July (Average sunshine: 10.2).
Month with least sunshine is December (Average sunshine: 5.7).

  • Average UV index in January: 2

Months with highest UV index are June and July (UV index 10).
Month with lowest UV index is December (UV index 1).

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