August Weather in Rochester, United States

Last updated: June 24, 2025

In Rochester, United States, the average temperature in August hovers around 22°C (72°F), providing a comfortable climate for outdoor activities. Expect daytime highs of up to 30°C (87°F) and cooler nights dropping to a minimum of 13°C (55°F). During this month, 90 mm (3.5 in) of precipitation is typically spread over 13 days, contributing to an average humidity level of 72%. Enjoy the unique blend of warmth and refreshing moisture!

August Temperature in Rochester

In August in Rochester, the average temperature is 22°C (72°F). The maximum can reach 30°C (87°F), and the minimum can be as low as 13°C (55°F). This makes it an ideal time for travelers to enjoy a comfortable climate while exploring local attractions.

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

The chart illustrates August temperature patterns in Rochester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rochester, August typically has an average temperature of 22°C (72°F), with highs reaching up to 30°C (87°F) and lows dropping to around 13°C (55°F).

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

August Precipitation in Rochester

In Rochester in August, the precipitation amount is 90 mm (3.5 in) over the course of 13 days.

August Precipitation Trends in Rochester

The chart displays monthly precipitation patterns in Rochester, 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 Rochester, August typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 13 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Rochester

In Rochester in August humidity is 72%. With an average temperature of 22°C (72°F), this humidity feels like you are stepping into a warm, embracing blanket, making traveling feel sweaty and slightly stifling, but the balmy weather is also quite perfect for exploring local attractions.

August Average Humidity in Rochester

This chart illustrates the average monthly humidity levels in Rochester, 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 Rochester is approximately 72%, 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 Rochester

In Rochester 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 Rochester.

Maximum UV Index Levels in Rochester for August

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

Data source: Rochester 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 Rochester Compares to Other Months

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

This table compares monthly weather conditions in Rochester, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	90 mm (3.6 inches)	91%	low
February Weather	-1°C (30°F)	91 mm (3.6 inches)	91%	moderate
March Weather	2°C (35°F)	81 mm (3.2 inches)	88%	moderate
April Weather	6°C (44°F)	117 mm (4.6 inches)	88%	very high
May Weather	12°C (54°F)	100 mm (4.0 inches)	82%	very high
June Weather	18°C (64°F)	74 mm (2.9 inches)	79%	very high
July Weather	22°C (72°F)	130 mm (5.1 inches)	77%	very high
August Weather	22°C (72°F)	90 mm (3.5 inches)	72%	very high
September Weather	19°C (66°F)	77 mm (3.0 inches)	76%	high
October Weather	13°C (56°F)	159 mm (6.3 inches)	83%	moderate
November Weather	5°C (42°F)	107 mm (4.2 inches)	88%	moderate
December Weather	1°C (34°F)	107 mm (4.2 inches)	87%	low