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August Weather in Wyoming, United States

Last updated: June 24, 2025

In Wyoming, United States, the average temperature in August hovers around 22°C (72°F). Expect a comfortable range, with minimum temperatures dipping to 11°C (51°F) and highs reaching up to 33°C (92°F). During this month, you'll encounter 91 mm (3.6 in) of precipitation over approximately 9 days, contributing to an average humidity of 77%.

August Temperature in Wyoming

In August in Wyoming, the average temperature is 22°C (72°F). Maximums can reach 33°C (92°F) and minimums can be as low as 11°C (51°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while still being comfortable.

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

The chart illustrates August temperature patterns in Wyoming, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wyoming, August typically has an average temperature of 22°C (72°F), with highs reaching up to 33°C (92°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec212338486172757267533730
Data source: Temperature data for Wyoming 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 Wyoming

In Wyoming in August, the precipitation amount is 91 mm (3.6 in) spread over 9 days.

August Precipitation Trends in Wyoming

The chart displays monthly precipitation patterns in Wyoming, 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 Wyoming, August typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec4959738814011878911281244946
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Wyoming

In Wyoming in August humidity is 77%. With average temperature 22°C (72°F), this humidity feels like walking through a warm, damp embrace, making outdoor activities both refreshing and slightly uncomfortable for travelers unaccustomed to such conditions.

August Average Humidity in Wyoming

This chart illustrates the average monthly humidity levels in Wyoming, 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 Wyoming is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%81%82%78%81%79%77%78%79%87%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Wyoming

In Wyoming in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Wyoming.

Maximum UV Index Levels in Wyoming for August

The chart shows the monthly maximum UV Index (UVI) for Wyoming 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 Wyoming typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098643
Data source: Wyoming 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 Wyoming Compares to Other Months

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

This table compares monthly weather conditions in Wyoming, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)49 mm (1.9 inches)81%moderate
February Weather-5°C (24°F)59 mm (2.3 inches)81%moderate
March Weather3°C (38°F)73 mm (2.9 inches)81%high
April Weather9°C (48°F)88 mm (3.5 inches)82%very high
May Weather16°C (62°F)140 mm (5.5 inches)78%very high
June Weather22°C (73°F)118 mm (4.6 inches)81%extreme
July Weather24°C (76°F)78 mm (3.1 inches)79%very high
August Weather22°C (72°F)91 mm (3.6 inches)77%very high
September Weather19°C (67°F)127 mm (5.0 inches)78%very high
October Weather11°C (53°F)124 mm (4.9 inches)78%high
November Weather3°C (38°F)49 mm (1.9 inches)87%moderate
December Weather-1°C (31°F)46 mm (1.8 inches)84%moderate

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