Average annual temperature is 20.4 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: -3.8 °C
Number of sunny days: 195 days
Number of rainy days: 170 days
Look at detailed online map of Rocky Hill
* Weather data for Rocky Hill 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) | 27.3 | 29.3 | 31.5 | 33.7 | 33.2 | 39.8 | 39.4 | 40.2 | 39.2 | 32.0 | 26.4 | 23.2 |
| Average daytime temperature (°C) | 18.4 | 19.1 | 24.3 | 25.1 | 28.3 | 34.8 | 36.4 | 38.3 | 33.9 | 25.3 | 18.4 | 17.7 |
| Average temperature (°C) | 12.2 | 11.8 | 17.0 | 18.4 | 22.4 | 27.9 | 29.9 | 31.3 | 27.8 | 20.2 | 13.4 | 11.8 |
| Average night temperature (°C) | 7.5 | 7.0 | 12.1 | 13.5 | 17.9 | 22.0 | 23.4 | 24.3 | 22.2 | 15.7 | 9.7 | 7.2 |
| Absolute minimum temperature (°C) | -3.7 | -3.8 | 3.2 | 8.2 | 13.5 | 17.1 | 21.3 | 22.5 | 19.1 | 2.3 | 1.4 | 0.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.3 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.4 | 7.8 | 7.1 | 8.4 | 9.4 | 11.7 | 12.1 | 12.1 | 10.7 | 8.7 | 6.0 | 7.2 |
| Precipitation (mm) | 36 | 47 | 38 | 92 | 91 | 24 | 9 | 3 | 47 | 138 | 49 | 34 |
| Sunny days | 19 | 16 | 12 | 8 | 7 | 14 | 26 | 25 | 18 | 13 | 14 | 23 |
| Rainy days | 12 | 12 | 19 | 22 | 24 | 16 | 5 | 6 | 12 | 18 | 16 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rocky Hill during the most sunny months:
The largest precipitation sum in Rocky Hill is at