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August Weather in Cheyenne, United States

Last updated: June 24, 2025

In August, the average temperature in Cheyenne, United States hovers around 26°C (80°F), making it pleasantly warm. However, be prepared for temperature fluctuations, with a minimum of 14°C (58°F) and a maximum reaching up to 40°C (104°F). During this time, expect some precipitation, averaging 45 mm (1.8 in) over about 7 days, and enjoy the average humidity level of 72%, which adds to the tropical atmosphere.

August Temperature in Cheyenne

In August in Cheyenne, the average temperature is 26°C (80°F). Maximum can reach 40°C (104°F), and the minimum can be as low as 14°C (58°F). Travelers should be prepared for warm days and cooler evenings while enjoying the diverse climate that Cheyenne offers.

August Weather in Cheyenne: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Cheyenne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cheyenne, August typically has an average temperature of 26°C (80°F), with highs reaching up to 40°C (104°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec373851586877818073594842
Data source: Temperature data for Cheyenne generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Cheyenne

In Cheyenne in August, the precipitation amount is 45 mm (1.8 in) spread over a duration of 7 days.

August Precipitation Trends in Cheyenne

The chart displays monthly precipitation patterns in Cheyenne, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Cheyenne, August typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec2618795610573494555731321
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Cheyenne

In Cheyenne in August, humidity is 72%. With an average temperature of 26°C (80°F), this humidity feels like a warm embrace, making traveling feel a bit heavier, yet invigorating as you navigate the vibrant atmosphere, surrounded by the rich scents and lively sounds of the locale.

August Average Humidity in Cheyenne

This chart illustrates the average monthly humidity levels in Cheyenne, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Cheyenne is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%70%72%82%82%80%72%64%71%81%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Cheyenne

In Cheyenne in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Cheyenne.

Maximum UV Index Levels in Cheyenne for August

The chart shows the monthly maximum UV Index (UVI) for Cheyenne in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Cheyenne typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Cheyenne August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Cheyenne Compares to Other Months

Weather in Cheyenne varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Cheyenne, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Cheyenne, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)26 mm (1.0 inches)76%moderate
February Weather4°C (39°F)18 mm (0.7 inches)76%high
March Weather11°C (51°F)79 mm (3.1 inches)70%very high
April Weather14°C (58°F)56 mm (2.2 inches)72%very high
May Weather20°C (68°F)105 mm (4.2 inches)82%extreme
June Weather25°C (78°F)73 mm (2.9 inches)82%extreme
July Weather27°C (81°F)49 mm (1.9 inches)80%extreme
August Weather26°C (80°F)45 mm (1.8 inches)72%extreme
September Weather23°C (74°F)55 mm (2.2 inches)64%very high
October Weather15°C (59°F)73 mm (2.9 inches)71%high
November Weather9°C (48°F)13 mm (0.5 inches)81%moderate
December Weather5°C (42°F)21 mm (0.8 inches)84%moderate

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