August Weather in Greybull, United States

Last updated: June 24, 2025

In August, the average temperature in Greybull, United States is a pleasant 23°C (73°F). However, temperatures can fluctuate significantly, with a minimum of 7°C (45°F) and a maximum reaching 38°C (101°F). Expect an average precipitation of 11 mm (0.4 in) over 2 days, accompanied by an average humidity of 80%, creating a warm and slightly humid atmosphere.

August Temperature in Greybull

In August in Greybull, the average temperature is 23°C (73°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 7°C (45°F). This mild to warm climate makes Greybull an ideal destination for travelers looking to enjoy a range of outdoor activities and pleasant weather.

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

The chart illustrates August temperature patterns in Greybull, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greybull, August typically has an average temperature of 23°C (73°F), with highs reaching up to 38°C (101°F) and lows dropping to around 7°C (45°F).

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

August Precipitation in Greybull

In Greybull in August, the precipitation amount is 11 mm (0.4 in) over the course of 2 days.

August Precipitation Trends in Greybull

The chart displays monthly precipitation patterns in Greybull, 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 Greybull, August typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 2 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 Greybull

In Greybull in August humidity is 80%. With an average temperature of 23°C (73°F), this humidity feels like a warm blanket enveloping you, making outdoor activities slightly sticky and requiring frequent breaks in shaded areas to stay comfortable while exploring.

August Average Humidity in Greybull

This chart illustrates the average monthly humidity levels in Greybull, 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 Greybull is approximately 80%, 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 Greybull

In Greybull in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Greybull.

Maximum UV Index Levels in Greybull for August

The chart shows the monthly maximum UV Index (UVI) for Greybull 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 Greybull typically reaches 10, which falls under the very high exposure category.

Data source: Greybull 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 Greybull Compares to Other Months

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

This table compares monthly weather conditions in Greybull, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	10 mm (0.4 inches)	85%	moderate
February Weather	-5°C (24°F)	21 mm (0.8 inches)	85%	moderate
March Weather	5°C (40°F)	14 mm (0.5 inches)	79%	high
April Weather	8°C (46°F)	30 mm (1.2 inches)	74%	very high
May Weather	13°C (56°F)	37 mm (1.5 inches)	76%	very high
June Weather	20°C (69°F)	14 mm (0.5 inches)	79%	extreme
July Weather	25°C (77°F)	7 mm (0.3 inches)	81%	extreme
August Weather	23°C (73°F)	11 mm (0.4 inches)	80%	very high
September Weather	17°C (63°F)	30 mm (1.2 inches)	76%	very high
October Weather	7°C (45°F)	29 mm (1.1 inches)	74%	high
November Weather	2°C (37°F)	12 mm (0.5 inches)	81%	moderate
December Weather	-2°C (29°F)	14 mm (0.5 inches)	87%	low