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

January weather forecast and Climate
Cheyenne, WY

  • The average high temperature in January: 4.2°C

The warmest month (with the highest average high temperature) is July (28.6°C).
The month with the lowest average high temperature is December (3.4°C).

  • The average low temperature in January: -7.8°C

The month with the highest average low temperature is July (13.1°C).
The coldest month (with the lowest average low temperature) is December (-8.2°C).

  • The average humidity in January: 52.5%

The month with the highest relative humidity is March (56.1%).
The month with the lowest relative humidity is October (50%).

  • The average rainfall in January: 8.4mm

Wettest months (with the highest rainfall) are May and June (59.4mm).
The driest month (with the lowest rainfall) is January (8.4mm).

  • The average rainfall days in January: 4.9 days

The month with the highest number of rainy days is May (12.4 days).
The month with the lowest number of rainy days is January (4.9 days).

  • The average snowfall in January: 149.9mm

The month with the highest snowfall is March (287mm).
Months with the lowest snowfall are June, July and August (0mm).

  • The average snowfall days in January: 5.7 days

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

  • The average daylight in January: 10h

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

  • The average sunshine in January: 6.2h

The month with most sunshine is July (Average sunshine: 10.2h).
The month with least sunshine is December (Average sunshine: 5.7h).

  • The average UV index in January: 2

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

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