August Weather in Wyoming, United States

Last updated: June 24, 2025

In August, the average temperature in Wyoming, United States hovers around 21°C (71°F), making it a pleasantly warm destination. Expect a minimum of 11°C (51°F) and a maximum of 33°C (91°F) throughout the month. With an average precipitation of 128 mm (5.1 in) during about 12 days, be prepared for occasional showers. Additionally, the average humidity is a notable 81%, contributing to the area's lush ambiance.

August Temperature in Wyoming

In August in Wyoming, the average temperature is 21°C (71°F), with highs peaking at 33°C (91°F) and lows dipping to 11°C (51°F). This makes it a great time for travelers to enjoy mild weather while exploring the region.

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 21°C (71°F), with highs reaching up to 33°C (91°F) and lows dropping to around 11°C (51°F).

Data source: Temperature data for Wyoming generated using information from the Copernicus Climate Change Service.

August Precipitation in Wyoming

In Wyoming in August, the precipitation amount is 128 mm (5.1 in) over the course of 12 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 128 mm (5.1 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Wyoming

In Wyoming in August, humidity is 81%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket that makes traveling feel both refreshing and slightly heavy, often leading to a sticky sensation that can quickly deplete your energy.

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.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	24 mm (0.9 inches)	87%	low
February Weather	-9°C (17°F)	34 mm (1.3 inches)	90%	moderate
March Weather	0°C (33°F)	53 mm (2.1 inches)	85%	moderate
April Weather	6°C (43°F)	90 mm (3.5 inches)	84%	high
May Weather	15°C (59°F)	122 mm (4.8 inches)	78%	very high
June Weather	22°C (71°F)	85 mm (3.3 inches)	80%	very high
July Weather	23°C (74°F)	105 mm (4.1 inches)	81%	very high
August Weather	21°C (71°F)	128 mm (5.1 inches)	81%	very high
September Weather	18°C (64°F)	111 mm (4.4 inches)	81%	high
October Weather	9°C (48°F)	104 mm (4.1 inches)	84%	moderate
November Weather	0°C (33°F)	37 mm (1.4 inches)	88%	moderate
December Weather	-5°C (23°F)	52 mm (2.0 inches)	84%	low