| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 53.2 | 33.2 | 80 | -4 | 3.5 | 1.1 |
| February | 58.2 | 35.6 | 83 | 5 | 3.1 | 1.0 |
| March | 65.3 | 42.2 | 90 | 4 | 3.9 | 0.1 |
| April | 74.9 | 50.5 | 96 | 20 | 3.6 | 0.0 |
| May | 81.3 | 59.3 | 100 | 34 | 3.2 | 0.0 |
| June | 87.7 | 67.2 | 105 | 40 | 4.1 | 0.0 |
| July | 91.1 | 70.6 | 108 | 50 | 3.5 | 0.0 |
| August | 88.9 | 69.5 | 106 | 49 | 3.7 | 0.0 |
| September | 83.7 | 63.5 | 106 | 37 | 3.4 | 0.0 |
| October | 74.4 | 51.7 | 98 | 25 | 2.9 | 0.0 |
| November | 63.3 | 41.4 | 86 | 12 | 3.1 | 0.1 |
| December | 55.4 | 35.8 | 81 | 2 | 3.3 | 0.2 |
| Entire year | 73.2 | 51.8 | 108 | -4 | 40.7 | 2.5 |
|
More Rock Hill Weather Records
1899–2024
|
||
|---|---|---|
| Highest daily low | 86 °F | July 25, 1998 |
| Lowest daily high | 19 °F | December 23, 1989 |
| Greatest daily range (Difference of high and low) |
51 °F | March 18, 1968 |
| Greatest difference in daily high over two conscutive days |
37 °F | Mar 31 – Apr 1, 1907 |
| Most daily precipitation | 6.2 inches | May 1, 2016 |
| Most monthly precipitation | 18.4 inches | July 1959 |
| Most yearly precipitation | 69.5 inches | 1959 |
| Most yearly days with precipitation | 138 | 2003 |
| Earliest snow in season | November 12 | 1968 |
| Latest snow in season | April 2 | 2019 |
| Most daily snow | 12.0 inches | January 7, 1988 |
| Most monthly snow | 17.3 inches | February 2004 |
| Most yearly snow | 18.5 inches | 2004 |
| Most snow in a winter | 26.0 inches | 1935–1936 |
| Greatest snow accumulation | 17.0 inches | February 27, 2004 |
| Earliest freeze | October 10 | 2000 |
| Earliest day ≥ 90 °F | March 21 | 1935 |
| Earliest day ≥ 100 °F | May 23 | 1941 |
| Latest freeze | April 23 | 1943 |
| Latest day ≥ 90 °F | October 27 | 1919 |
| Latest day ≥ 100 °F | September 20 | 1925 |
| Most days in a year < 0 °F | 1 | 1985 |
| Most days in a year < 32 °F | 77 | 1968 |
| Most days in a year ≥ 80 °F | 174 | 1941 |
| Most days in a year ≥ 90 °F | 111 | 1925 |
| Most days in a year ≥ 100 °F | 17 | 1914 |
|
Rock Hill Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 12 days | May 29 – Jun 9, 1934 |
| Without precipitation | 51 days | Aug 29 – Oct 18, 1923 |
| With snow | 3 days | Jan 25–27, 2004 |
| High temperature at or below freezing |
8 days | Dec 10–17, 1917 |
| High temperature ≥ 80 °F | 135 days | May 26 – Oct 7, 1954 |
| High temperature ≥ 90 °F | 42 days | Jun 23 – Aug 3, 1993 |
| High temperature ≥ 100 °F | 6 days | Jul 13–18, 1932 |
| Years | Station | Coordinates |
|---|---|---|
| 1899–2024 | Winthrop University | location |