Average annual temperature is 16.8 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -4.4 °C
Number of sunny days: 201 days
Number of rainy days: 164 days
Look at detailed online map of Rocky River
* Weather data for Rocky River 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) | 20.6 | 26.1 | 28.0 | 29.7 | 30.4 | 32.6 | 35.3 | 34.9 | 34.2 | 28.2 | 27.5 | 20.6 |
| Average daytime temperature (°C) | 14.1 | 16.9 | 18.1 | 22.8 | 24.9 | 28.8 | 33.1 | 31.6 | 28.1 | 23.3 | 17.2 | 14.0 |
| Average temperature (°C) | 8.7 | 11.4 | 12.1 | 16.3 | 19.1 | 22.6 | 26.8 | 25.8 | 22.1 | 17.2 | 11.0 | 8.2 |
| Average night temperature (°C) | 4.6 | 7.0 | 6.9 | 10.6 | 14.2 | 17.4 | 21.7 | 20.9 | 16.8 | 11.9 | 6.1 | 3.7 |
| Absolute minimum temperature (°C) | -2.9 | -4.1 | -2.7 | 2.9 | 7.3 | 11.5 | 18.6 | 18.8 | 13.1 | 5.4 | -4.4 | -4.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 6.7 | 8.4 | 8.8 | 9.5 | 10.6 | 11.8 | 10.9 | 10.0 | 9.0 | 7.8 | 6.6 |
| Precipitation (mm) | 135 | 81 | 85 | 131 | 29 | 113 | 45 | 120 | 42 | 24 | 66 | 146 |
| Sunny days | 19 | 16 | 17 | 13 | 16 | 10 | 12 | 10 | 20 | 26 | 23 | 19 |
| Rainy days | 12 | 12 | 14 | 17 | 15 | 20 | 19 | 21 | 10 | 5 | 7 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rocky River during the most sunny months:
The largest precipitation sum in Rocky River is at