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Weather extremes
How extreme does Rock Hill's weather get?
The hottest, coldest, wettest and snowiest days Rock Hill has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.
The four kinds of extreme
The hottest, coldest, wettest and snowiest single days Rock Hill has recorded — each shown against what a normal day that time of year looks like.
That is about 17°F hotter than a normal August afternoon in Rock Hill (typical high near 89°F).
The three most extreme on record
About 37°F colder than a normal January night in Rock Hill (typical low near 33°F).
The three most extreme on record
More rain in a single day than Rock Hill usually gets in the whole month of May (typical May total about 3.5 in).
The three most extreme on record
The three most extreme on record
How hot and cold it gets, month by month
The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.
Rock Hill's record heat sits well above even a hot day for the season — August's 106°F is about 17°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.
In plain terms
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Winthrop Univ (NOAA GHCN station USC00389350), about 2 km from the city centre.