Average annual temperature is 12.3 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -11.7 °C
Number of sunny days: 169 days
Number of rainy days: 185 days
Number of snow days: 11 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) | 15.5 | 20.5 | 21.1 | 29.2 | 29.2 | 33.2 | 34.7 | 33.3 | 34.0 | 27.9 | 20.6 | 15.7 |
| Average daytime temperature (°C) | 7.1 | 9.8 | 10.4 | 19.3 | 21.8 | 25.9 | 30.3 | 28.9 | 24.5 | 18.8 | 10.9 | 8.2 |
| Average temperature (°C) | 3.4 | 3.8 | 4.5 | 12.4 | 14.9 | 19.5 | 24.0 | 22.5 | 18.6 | 13.3 | 5.6 | 4.3 |
| Average night temperature (°C) | 0.8 | -0.9 | 0.1 | 6.5 | 8.3 | 13.7 | 18.6 | 17.2 | 13.8 | 8.8 | 1.3 | 1.3 |
| Absolute minimum temperature (°C) | -4.2 | -11.7 | -6.9 | -0.7 | 2.5 | 8.8 | 15.5 | 12.9 | 8.3 | 1.4 | -6.4 | -4.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.3 | 6.9 | 7.1 | 9.3 | 10.9 | 10.7 | 12.2 | 10.8 | 8.9 | 7.5 | 7.6 | 4.1 |
| Precipitation (mm) | 81 | 53 | 71 | 70 | 34 | 76 | 101 | 76 | 88 | 60 | 56 | 87 |
| Sunny days | 10 | 14 | 12 | 16 | 19 | 11 | 8 | 9 | 16 | 20 | 21 | 13 |
| Rainy days | 19 | 11 | 17 | 14 | 12 | 19 | 23 | 22 | 14 | 11 | 7 | 16 |
| Snow days | 2 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The best time to visit Rockhill during the most sunny months:
The largest precipitation sum in Rockhill is at