Rock Hill, SC Weather & Climate Normals
What a normal year in Rock Hill actually looks like
On the 30-year record NOAA keeps for Rock Hill, SC, the comfort score comes out to 48/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 4 months a year land in the 55–75°F range this site treats as mild.
How much Rock Hill's weather actually swings
Average temperatures in Rock Hill run from 43°F in Jan up to 80°F in Jul, a 37.1°F seasonal swing, a middling gap by national standards.
Rock Hill, month by month
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 54°F | 33°F | 3.58in |
| Feb | 58°F | 35°F | 3.12in |
| Mar | 66°F | 42°F | 3.9in |
| Apr | 75°F | 50°F | 3.73in |
| May | 81°F | 59°F | 3.53in |
| Jun | 88°F | 67°F | 4.11in |
| Jul | 91°F | 70°F | 3.57in |
| Aug | 89°F | 69°F | 3.72in |
| Sep | 84°F | 63°F | 3.56in |
| Oct | 74°F | 51°F | 2.94in |
| Nov | 64°F | 41°F | 3.28in |
| Dec | 56°F | 35°F | 3.58in |
If you're timing a visit, Apr, May, Sep, and Oct are Rock Hill's mildest stretch; if you're moving there, you should plan around Jul's heat and Jan's cold instead.
How wet Rock Hill actually gets
Rock Hill averages 42.62in of precipitation a year across roughly 104 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Rock Hill against the rest of the country
Out of 4876 cities scored here, Rock Hill comes in at 2302; within SC alone it ranks 29 of 66. Population is about 75,798.
Checking the actual forecast
These figures come from Winthrop Univ, SC US, the NOAA station 0.8 miles from Rock Hill, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is