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August Weather in Rochester, United States

Last updated: June 24, 2025

In Rochester, United States, the average temperature in August typically hovers around 23°C (73°F). While you may experience a minimum of 10°C (50°F), the mercury can rise to a maximum of 33°C (93°F). Expect around 104 mm (4.1 in) of precipitation over approximately 12 days, and don't forget to account for the average humidity level of 79%.

August Temperature in Rochester

In August in Rochester, the average temperature is 23°C (73°F). Maximum temperatures can reach 33°C (93°F), while minimums can drop as low as 10°C (50°F). This makes Rochester an ideal destination for travelers seeking mild weather with warm days and cooler nights.

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 23°C (73°F), with highs reaching up to 33°C (93°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec283041506373767368564134
Data source: Temperature data for Rochester 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 Rochester

In Rochester in August, the total precipitation amount is 104 mm (4.1 in) spread over 12 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 104 mm (4.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec757710299155112111104671107965
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Rochester

In Rochester in August humidity is 79%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace that clings to the skin, making travel feel both invigorating and slightly exhausting as the air wraps around you like a damp blanket.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%87%81%82%81%79%78%81%89%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec35699101098642
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.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)75 mm (2.9 inches)85%moderate
February Weather-1°C (30°F)77 mm (3.0 inches)85%moderate
March Weather5°C (41°F)102 mm (4.0 inches)86%high
April Weather10°C (50°F)99 mm (3.9 inches)87%very high
May Weather17°C (63°F)155 mm (6.1 inches)81%very high
June Weather23°C (73°F)112 mm (4.4 inches)82%very high
July Weather24°C (76°F)111 mm (4.4 inches)81%very high
August Weather23°C (73°F)104 mm (4.1 inches)79%very high
September Weather20°C (68°F)67 mm (2.6 inches)78%very high
October Weather13°C (56°F)110 mm (4.3 inches)81%high
November Weather5°C (41°F)79 mm (3.1 inches)89%moderate
December Weather1°C (35°F)65 mm (2.5 inches)86%low

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