Average annual temperature is 17.6 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 179 days
Number of rainy days: 186 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) | 21.5 | 25.3 | 26.6 | 28.8 | 31.9 | 36.7 | 35.9 | 38.7 | 33.3 | 32.7 | 26.9 | 20.8 |
| Average daytime temperature (°C) | 14.0 | 16.2 | 18.1 | 21.8 | 27.8 | 32.1 | 32.5 | 32.9 | 30.3 | 24.8 | 17.8 | 14.0 |
| Average temperature (°C) | 9.2 | 10.4 | 12.4 | 15.5 | 21.3 | 25.3 | 26.8 | 27.0 | 23.8 | 18.9 | 11.9 | 8.6 |
| Average night temperature (°C) | 5.5 | 6.3 | 7.7 | 10.4 | 15.8 | 19.7 | 22.1 | 22.5 | 18.6 | 14.0 | 7.1 | 4.5 |
| Absolute minimum temperature (°C) | -3.5 | -4.3 | -4.6 | 3.3 | 7.2 | 15.7 | 17.3 | 16.9 | 14.4 | 1.0 | -1.2 | -2.7 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| 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) | 5.8 | 5.7 | 7.6 | 8.1 | 11.4 | 12.2 | 11.6 | 10.5 | 10.8 | 8.3 | 7.0 | 6.7 |
| Precipitation (mm) | 155 | 110 | 190 | 171 | 75 | 95 | 120 | 106 | 44 | 49 | 59 | 51 |
| Sunny days | 12 | 13 | 13 | 11 | 11 | 13 | 11 | 16 | 16 | 23 | 21 | 19 |
| Rainy days | 19 | 15 | 18 | 19 | 20 | 17 | 20 | 15 | 14 | 8 | 9 | 12 |
| 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