Cheyenne
Wyoming, USA
Long-term weather forecast
Long-term weather forecast
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August weather forecast and Climate
Cheyenne, WY

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A sunny day in the front of the State Capitol building in Cheyenne, Wyoming
A sunny day in the front of the State Capitol building in Cheyenne, Wyoming
August in Cheyenne remains warm and pleasant with up to twelve hours of sunshine per day. As the summer days are not extremely scorching, basking is typical in Cheyenne. August temperature remains in the range of 55.4°F (13°C) and 80.6°F (27°C).
The rainy days remain steady at eleven, and the rain gauge collects 2.2" (55.9mm) in precipitation.
Touring Cheyenne prolongs late into the evening with the extended daylight hours making tours more adventurous.
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  • The average high temperature in August: 81.2°F

The warmest month (with the highest average high temperature) is July (83.4°F).
The month with the lowest average high temperature is December (38.2°F).

  • The average low temperature in August: 54.1°F

The month with the highest average low temperature is July (55.5°F).
The coldest month (with the lowest average low temperature) is December (17.3°F).

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  • The average humidity in August: 51.4%

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 August: 2"

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

  • The average rainfall days in August: 11 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 August: 0"

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

  • The average snowfall days in August: 0 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 August: 14h

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 August: 9.6h

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 August: 9

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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