ClimateAverages

Rock Hill Climate

South Carolina, United States of America · population 71,548 · 419 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
22.1°C
Warmest month · July
31.7°C
Typical daytime high
Coldest month · January
-0.8°C
Typical overnight low

Rock Hill has an average annual daytime high of 22.1°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 31.7°C, and its coldest is January, with overnight lows near -0.8°C.

Month by month averages

MonthAvg highAvg low
January11.2°C-0.8°CColdest
February13.3°C0.1°C
March17.6°C4.0°C
April22.9°C8.7°C
May26.9°C13.5°C
June30.2°C17.5°C
July31.7°C19.6°CWarmest
August31.3°C19.4°C
September28.2°C16.2°C
October22.8°C9.0°C
November17.4°C3.8°C
December12.2°C-0.0°C

Temperature range across the year

-3°6°15°25°34°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2016
+2.1°C vs. 1951–1980
Coldest year on record
1787
-2.8°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Rock Hill getting hotter?

Since 1900, Rock Hill's average temperature has risen by +1.6°C. Compared to the earliest station records that begin in 1750, warming totals +2.1°C.

15.0°15.5°16.1°16.7°17.2°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
March to November

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Rock Hill?

Rock Hill's average annual daytime high is 22.1°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 31.7°C, and the coldest is January, with lows averaging -0.8°C.

What is the warmest month in Rock Hill?

July is the warmest month in Rock Hill, with typical daytime highs of 31.7°C.

What is the hottest year on record for Rock Hill?

2016 is the hottest year on record for Rock Hill, running +2.1°C above the 1951 to 1980 baseline.

Is Rock Hill getting hotter?

Yes. Since 1900, Rock Hill has warmed by roughly +1.6°C.

When is the best time to visit Rock Hill?

March to November typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.