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Rochester Weather by Month
Average temperatures, rainfall and humidity for Rochester, United States, month by month, built from OpenWeather’s historical records. Use it to see what a typical Rochester month looks like before you travel — then check the live Rochester forecast for the days ahead.
Warmest month
July
28°C average high
Coolest month
January
-12°C average low
Wettest month
June
112 mm of rain
Driest month
February
6 mm of rain
Average temperature and rainfall in Rochester by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | -4°C | -12°C | -34°C / 12°C | 9 mm | 81% | 17 km/h |
| February | -2°C | -11°C | -33°C / 21°C | 6 mm | 77% | 18 km/h |
| March | 6°C | -3°C | -27°C / 28°C | 34 mm | 73% | 18 km/h |
| April | 13°C | 3°C | -14°C / 31°C | 72 mm | 68% | 20 km/h |
| May | 21°C | 10°C | -2°C / 35°C | 89 mm | 64% | 16 km/h |
| June | 27°C | 16°C | 6°C / 35°C | 112 mm | 69% | 14 km/h |
| July | 28°C | 17°C | 9°C / 35°C | 61 mm | 75% | 12 km/h |
| August | 26°C | 16°C | 8°C / 37°C | 80 mm | 77% | 12 km/h |
| September | 24°C | 13°C | -2°C / 36°C | 70 mm | 75% | 14 km/h |
| October | 15°C | 6°C | -9°C / 32°C | 62 mm | 72% | 16 km/h |
| November | 6°C | -2°C | -20°C / 24°C | 33 mm | 76% | 18 km/h |
| December | -1°C | -8°C | -30°C / 17°C | 22 mm | 82% | 17 km/h |
Best time to visit Rochester
The most comfortable time to visit Rochester is generally July to September, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around June, totalling about 650 mm a year.
Travellers who prefer heat should aim for July, when highs average 28°C. June is the month to avoid if rain would spoil your plans — it averages 112 mm, roughly 18× the rainfall of the driest month (February).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Rochester forecast for what is happening now.