Climate averages 1991–2020
Rochester (New York), United States weather
in July.
A warm, moderately wet month: the warmest and the joint 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Rochester (New York), United States: daytime highs average 25.7°C and nights cool to about 18.2°C. By daytime temperature it is the warmest month of the year.
Expect about 89 mm of rain on roughly 11 days, which makes July a moderately wet month (the joint 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 02 min on an average July day.
The nearest other city in this atlas is Cheektowaga (97 km away). In July its highs average 25.5°C, about as warm as Rochester (New York), United States, with 99 mm of rain.
Among the 498 cities listed in the United States, Rochester (New York), United States ranks joint 464th of 498 for the warmest July highs and joint 301st of 498 for the driest July (rainfall, lowest first). The mean July high of those 498 cities is 30.3°C; Rochester (New York), United States is 4.6°C cooler than that mean.
From July to August, average highs fall by 0.6°C to 25.1°C, and monthly rainfall falls from 89 mm to 80 mm.
The annual picture
July in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Rochester (New York), United States climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -0.2°C-6.7°C | -6.7°C | 85 | 15.5 | 9.49 h |
| February | 0.4°C-7.1°C | -7.1°C | 67 | 11.1 | 10.510 h |
| March | 4.5°C-3.4°C | -3.4°C | 80 | 11.6 | 11.912 h |
| April | 10.9°C2.6°C | 2.6°C | 100 | 11.8 | 13.413 h |
| May | 17.3°C9.0°C | 9.0°C | 81 | 11.4 | 14.615 h |
| June | 22.5°C14.8°C | 14.8°C | 89 | 11.5 | 15.315 h |
| July, selected | 25.7°C18.2°C | 18.2°C | 89 | 11.1 | 15.015 h |
| August | 25.1°C17.8°C | 17.8°C | 80 | 11.7 | 13.914 h |
| September | 21.6°C14.3°C | 14.3°C | 88 | 10.7 | 12.513 h |
| October | 14.8°C8.4°C | 8.4°C | 109 | 13.3 | 11.111 h |
| November | 8.2°C2.3°C | 2.3°C | 95 | 14.0 | 9.810 h |
| December | 2.6°C-2.7°C | -2.7°C | 95 | 15.9 | 9.19 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Cheektowaga in JulyUnited States · 97 kmHigh 25.5°C · Low 18.1°C · 99 mm rain
- Amherst in JulyUnited States · 98 kmHigh 25.9°C · Low 18.3°C · 99 mm rain
- Buffalo in JulyUnited States · 107 kmHigh 25.3°C · Low 18.8°C · 103 mm rain
- Niagara Falls in JulyCanada · 118 kmHigh 25.8°C · Low 19.0°C · 103 mm rain
- Syracuse in JulyUnited States · 120 kmHigh 26.3°C · Low 18.1°C · 111 mm rain
- Oshawa in JulyCanada · 129 kmHigh 25.1°C · Low 18.1°C · 84 mm rain
- St. Catharines in JulyCanada · 132 kmHigh 25.8°C · Low 19.4°C · 88 mm rain
- Whitby in JulyCanada · 134 kmHigh 25.3°C · Low 18.2°C · 87 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Rochester) is explained once on the Rochester (New York), United States year overview and on the Sources, method and limits page.