Average annual temperature is 19.9 °C
Absolute maximum temperature: 43.1 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 200 days
Number of rainy days: 165 days
Look at detailed online map of Rockhill
* Weather data for Rockhill 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) | 25.3 | 27.2 | 27.0 | 31.4 | 34.2 | 38.7 | 40.2 | 43.1 | 41.3 | 32.9 | 28.1 | 24.6 |
| Average daytime temperature (°C) | 15.4 | 16.3 | 20.1 | 22.7 | 28.3 | 32.8 | 36.0 | 39.5 | 33.8 | 25.5 | 18.7 | 15.6 |
| Average temperature (°C) | 10.0 | 9.9 | 14.5 | 17.2 | 22.9 | 27.3 | 30.4 | 33.7 | 28.1 | 20.1 | 13.5 | 10.2 |
| Average night temperature (°C) | 5.9 | 5.6 | 10.3 | 12.4 | 18.4 | 22.4 | 25.4 | 27.7 | 23.1 | 15.8 | 9.1 | 6.1 |
| Absolute minimum temperature (°C) | -3.8 | -4.3 | -1.3 | 6.9 | 11.0 | 17.4 | 20.9 | 21.7 | 19.3 | -0.2 | -1.4 | -0.6 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 6.3 | 7.9 | 8.4 | 9.3 | 11.1 | 11.6 | 12.1 | 10.2 | 8.2 | 7.9 | 7.6 |
| Precipitation (mm) | 80 | 123 | 217 | 110 | 144 | 145 | 99 | 4 | 60 | 364 | 78 | 73 |
| Sunny days | 22 | 12 | 10 | 14 | 13 | 8 | 16 | 29 | 13 | 19 | 22 | 22 |
| Rainy days | 9 | 16 | 21 | 16 | 18 | 22 | 15 | 2 | 17 | 12 | 8 | 9 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rockhill during the most sunny months:
The largest precipitation sum in Rockhill is at