Rock Hill, SC
Climate overview — based on NOAA 1991-2020 normals from WINTHROP UNIV, SC US.
Year-round temperatures (°F)
Climate summary
Rock Hill has an annual average temperature of 62.1°F with about 42.6 inches of precipitation per year. The warmest month is July (average high 90.7°F), and the coldest is January (average low 32.6°F). June is typically the wettest month (4.11 in) and October the driest (2.94 in).
Best time to visit Rock Hill
Full guide →Climate change signal
All-time records →23 of 366 (6.3%) of Rock Hill's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1900s | 17 | |
| 1910s | 48 | |
| 1920s | 63 | |
| 1930s | 64 | |
| 1940s | 31 | |
| 1950s | 35 | |
| 1960s | 10 | |
| 1970s | 17 | |
| 1980s | 12 | |
| 1990s | 20 | |
| 2000s | 19 | |
| 2010s | 19 | |
| 2020s | 11 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 53.5°F | 32.6°F | 43.0°F | 3.58 in | — | 10 |
| February | 57.8°F | 35.0°F | 46.4°F | 3.12 in | — | 9 |
| March | 65.5°F | 41.6°F | 53.5°F | 3.90 in | — | 10 |
| April | 74.8°F | 49.9°F | 62.3°F | 3.73 in | — | 9 |
| May | 81.2°F | 58.6°F | 69.9°F | 3.53 in | — | 8 |
| June | 87.6°F | 66.5°F | 77.0°F | 4.11 in | — | 9 |
| July | 90.7°F | 69.7°F | 80.2°F | 3.57 in | — | 9 |
| August | 89.0°F | 68.9°F | 78.9°F | 3.72 in | — | 9 |
| September | 83.5°F | 63.0°F | 73.3°F | 3.56 in | — | 7 |
| October | 74.0°F | 51.2°F | 62.6°F | 2.94 in | — | 7 |
| November | 63.8°F | 40.9°F | 52.3°F | 3.28 in | — | 8 |
| December | 55.6°F | 35.2°F | 45.4°F | 3.58 in | — | 9 |
Climate twins of Rock Hill
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).