Average annual temperature is 4.0 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: -30.3 °C
Number of sunny days: 180 days
Number of rainy days: 116 days
Number of snow days: 69 days
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* Weather data for Rochester United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 0.7 | 2.3 | 2.6 | 18.8 | 23.2 | 24.0 | 32.9 | 32.5 | 25.4 | 20.0 | 9.0 | 6.1 |
| Average daytime temperature (°C) | -5.8 | -3.7 | -1.9 | 5.3 | 17.3 | 18.5 | 27.0 | 24.6 | 18.9 | 11.4 | 3.2 | -0.9 |
| Average temperature (°C) | -9.8 | -8.9 | -6.5 | -0.2 | 10.9 | 12.7 | 19.4 | 17.7 | 12.5 | 5.3 | -0.9 | -4.9 |
| Average night temperature (°C) | -13.8 | -13.1 | -10.6 | -4.8 | 5.1 | 8.0 | 12.4 | 12.0 | 7.5 | 0.4 | -4.3 | -8.8 |
| Absolute minimum temperature (°C) | -30.3 | -27.8 | -16.8 | -14.5 | -0.4 | 2.7 | 7.1 | 8.2 | 1.2 | -18.3 | -12.8 | -18.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 5.9 | 7.7 | 8.0 | 10.8 | 12.4 | 11.7 | 13.7 | 11.3 | 10.1 | 8.1 | 7.1 | 6.2 |
| Precipitation (mm) | 17 | 11 | 35 | 30 | 60 | 70 | 8 | 57 | 50 | 24 | 10 | 19 |
| Sunny days | 16 | 15 | 8 | 19 | 7 | 4 | 16 | 17 | 17 | 19 | 20 | 22 |
| Rainy days | 1 | 0 | 1 | 4 | 24 | 26 | 15 | 14 | 13 | 10 | 7 | 1 |
| Snow days | 14 | 13 | 22 | 7 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 8 |
The best time to visit Rochester during the most sunny months:
Months with the longest average daylight duration in Rochester:
The largest precipitation sum in Rochester is at