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August Weather in Wyoming, United States

Last updated: June 24, 2025

The average temperature in Wyoming, United States during August is a pleasant 23°C (74°F). Expect minimums as cool as 12°C (54°F) and maximums soaring up to 35°C (96°F). With an average precipitation of 68 mm (2.7 in) spread across 8 days, you might want to keep an umbrella handy. Additionally, the air tends to feel quite humid, with an average humidity level of 81%.

August Temperature in Wyoming

In August in Wyoming, the average temperature is 23°C (74°F). The maximum can reach 35°C (96°F), and the minimum can be as low as 12°C (54°F). This climate makes Wyoming an ideal destination for those looking to enjoy warm weather while still having the option for cooler evenings.

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 23°C (74°F), with highs reaching up to 35°C (96°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec252841506373777469553933
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 68 mm (2.7 in) spread over 8 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 68 mm (2.7 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec586510411516215910368881335551
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 81%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket draped over your skin, making travel feel a bit more sluggish and requiring plenty of water breaks to stay comfortable.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%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.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098642
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-4°C (26°F)58 mm (2.3 inches)82%moderate
February Weather-2°C (28°F)65 mm (2.6 inches)83%moderate
March Weather5°C (41°F)104 mm (4.1 inches)84%high
April Weather10°C (50°F)115 mm (4.5 inches)85%very high
May Weather17°C (63°F)162 mm (6.4 inches)79%very high
June Weather23°C (74°F)159 mm (6.3 inches)82%extreme
July Weather25°C (77°F)103 mm (4.1 inches)80%very high
August Weather23°C (74°F)68 mm (2.7 inches)81%very high
September Weather21°C (69°F)88 mm (3.5 inches)80%very high
October Weather13°C (55°F)133 mm (5.2 inches)82%high
November Weather4°C (40°F)55 mm (2.2 inches)88%moderate
December Weather1°C (34°F)51 mm (2.0 inches)84%low

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