August Weather in Sully, United States

Last updated: June 24, 2025

In Sully, United States, the average temperature in August is a pleasant 23°C (74°F). Visitors can expect a minimum of 11°C (52°F) and a maximum of 36°C (96°F). During this month, precipitation amounts to 65 mm (2.5 in) over about 7 days, while the average humidity hovers around a comfortable 77%.

August Temperature in Sully

In August in Sully, the average temperature is 23°C (74°F). The maximum can reach 36°C (96°F), and the minimum can be as low as 11°C (52°F). Travelers should pack accordingly to enjoy the warm days while being prepared for cooler evenings.

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

The chart illustrates August temperature patterns in Sully, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sully, August typically has an average temperature of 23°C (74°F), with highs reaching up to 36°C (96°F) and lows dropping to around 11°C (52°F).

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

August Precipitation in Sully

In Sully in August, the precipitation amount is 65 mm (2.5 in) over a span of 7 days.

August Precipitation Trends in Sully

The chart displays monthly precipitation patterns in Sully, 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 Sully, August typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 7 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 Sully

In Sully in August, humidity is 77%. With an average temperature of 23°C (74°F), this humidity feels like being enveloped in a warm, sticky blanket, making travel somewhat uncomfortable and requiring frequent hydration breaks to enjoy the sights without feeling overheated.

August Average Humidity in Sully

This chart illustrates the average monthly humidity levels in Sully, 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 Sully is approximately 77%, 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 Sully

In Sully 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 Sully.

Maximum UV Index Levels in Sully for August

The chart shows the monthly maximum UV Index (UVI) for Sully 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 Sully typically reaches 9, which falls under the very high exposure category.

Data source: Sully 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 Sully Compares to Other Months

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

This table compares monthly weather conditions in Sully, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	44 mm (1.7 inches)	78%	moderate
February Weather	-4°C (24°F)	49 mm (1.9 inches)	80%	moderate
March Weather	4°C (40°F)	83 mm (3.3 inches)	77%	high
April Weather	10°C (50°F)	74 mm (2.9 inches)	77%	very high
May Weather	17°C (63°F)	163 mm (6.4 inches)	77%	very high
June Weather	23°C (74°F)	124 mm (4.9 inches)	81%	extreme
July Weather	25°C (77°F)	72 mm (2.8 inches)	81%	very high
August Weather	23°C (74°F)	65 mm (2.5 inches)	77%	very high
September Weather	20°C (69°F)	121 mm (4.8 inches)	73%	very high
October Weather	12°C (53°F)	137 mm (5.4 inches)	75%	high
November Weather	4°C (39°F)	49 mm (1.9 inches)	85%	moderate
December Weather	0°C (31°F)	40 mm (1.6 inches)	83%	moderate