nomadseason

May Weather in Rochester, United States

Last updated: June 24, 2025

In Rochester, United States, the average temperature in May is a mild 12°C (54°F). You can expect a range from a chilly 0°C (32°F) to a pleasant 25°C (77°F). During this time, precipitation amounts to about 100 mm (4.0 in) over 12 days, contributing to an average humidity of 82%.

May Temperature in Rochester

In May in Rochester, the average temperature is 12°C (54°F), with maximums reaching 25°C (77°F) and minimums dropping as low as 0°C (32°F). This mild weather makes Rochester an ideal destination for travelers seeking a comfortable climate.

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

The chart illustrates May 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, May typically has an average temperature of 12°C (54°F), with highs reaching up to 25°C (77°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec283035435364727266554134
Data source: Temperature data for Rochester generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Rochester

In Rochester in May, the precipitation amount is 100 mm (4.0 in) spread over a period of 12 days.

May Precipitation Trends in Rochester

The chart displays monthly precipitation patterns in Rochester, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Rochester, May typically receives around 100 mm (4.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec909181117101741309077159107107
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Rochester

In Rochester in May humidity is 82%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and sweat-inducing, which can be quite uncomfortable for traveling.

May Average Humidity in Rochester

This chart illustrates the average monthly humidity levels in Rochester, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Rochester is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rochester

In Rochester in May, 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 Rochester.

Maximum UV Index Levels in Rochester for May

The chart shows the monthly maximum UV Index (UVI) for Rochester in May, 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 May, the maximum UV index in Rochester typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24581010997532
Data source: Rochester May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
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 Weather2°C (35°F)81 mm (3.2 inches)88%moderate
April Weather6°C (44°F)117 mm (4.6 inches)88%very high
May Weather12°C (54°F)100 mm (4.0 inches)82%very high
June Weather18°C (64°F)74 mm (2.9 inches)79%very high
July Weather22°C (72°F)130 mm (5.1 inches)77%very high
August Weather22°C (72°F)90 mm (3.5 inches)72%very high
September Weather19°C (66°F)77 mm (3.0 inches)76%high
October Weather13°C (56°F)159 mm (6.3 inches)83%moderate
November Weather5°C (42°F)107 mm (4.2 inches)88%moderate
December Weather1°C (34°F)107 mm (4.2 inches)87%low

Compare Rochester's Climate with Cities Worldwide