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

April weather forecast and Climate
Cheyenne, WY

A sunny day in the front of the State Capitol building in Cheyenne, Wyoming
  • The average high temperature in April: 12.7°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 April: -0.7°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 April: 54.3%

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 April: 45.2mm

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 April: 10.3 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 April: 259.1mm

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 April: 6.1 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 April: 13h

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 April: 9.1h

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 April: 7

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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