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Rock Hill Weather by Month
Average temperatures, rainfall and humidity for Rock Hill, United States, month by month, built from OpenWeather’s historical records. Use it to see what a typical Rock Hill month looks like before you travel — then check the live Rock Hill forecast for the days ahead.
Warmest month
July
32°C average high
Coolest month
January
1°C average low
Wettest month
August
101 mm of rain
Driest month
February
68 mm of rain
Average temperature and rainfall in Rock Hill by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 11°C | 1°C | -14°C / 24°C | 78 mm | 67% | 10 km/h |
| February | 14°C | 3°C | -17°C / 27°C | 68 mm | 66% | 11 km/h |
| March | 18°C | 7°C | -7°C / 31°C | 70 mm | 60% | 12 km/h |
| April | 23°C | 11°C | -2°C / 32°C | 95 mm | 62% | 12 km/h |
| May | 26°C | 15°C | 4°C / 34°C | 92 mm | 70% | 10 km/h |
| June | 30°C | 20°C | 10°C / 38°C | 93 mm | 72% | 9 km/h |
| July | 32°C | 22°C | 14°C / 37°C | 76 mm | 74% | 8 km/h |
| August | 30°C | 21°C | 13°C / 36°C | 101 mm | 77% | 8 km/h |
| September | 28°C | 18°C | 8°C / 37°C | 100 mm | 76% | 9 km/h |
| October | 23°C | 12°C | -3°C / 36°C | 69 mm | 73% | 10 km/h |
| November | 17°C | 6°C | -8°C / 28°C | 68 mm | 68% | 9 km/h |
| December | 13°C | 3°C | -13°C / 25°C | 95 mm | 71% | 9 km/h |
Best time to visit Rock Hill
The most comfortable time to visit Rock Hill is generally April to May and October, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around August, totalling about 1,003 mm a year.
Travellers who prefer heat should aim for July, when highs average 32°C. August is the month to avoid if rain would spoil your plans — it averages 101 mm, roughly 1× the rainfall of the driest month (February).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Rock Hill forecast for what is happening now.