Climate averages 1991–2020
Rock Hill weather
in July.
A hot, wet month: the warmest and the joint 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Rock Hill: daytime highs average 31.6°C and nights cool to about 22.1°C. By daytime temperature it is the warmest month of the year.
Expect about 93 mm of rain on roughly 14 days, which makes July a wet month (the joint 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 15 min on an average July day.
The nearest other city in this atlas is Charlotte (37 km away). In July its highs average 31.5°C, about as warm as Rock Hill, with 98 mm of rain.
Among the 498 cities listed in the United States, Rock Hill ranks joint 152nd of 498 for the warmest July highs and joint 337th of 498 for the driest July (rainfall, lowest first). The mean July high of those 498 cities is 30.3°C; Rock Hill is 1.4°C warmer than that mean.
From July to August, average highs fall by 1.2°C to 30.4°C, and monthly rainfall rises from 93 mm to 102 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Rock Hill climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.5°C1.5°C | 1.5°C | 95 | 9.5 | 10.110 h |
| February | 12.6°C2.9°C | 2.9°C | 87 | 8.8 | 10.911 h |
| March | 16.7°C6.2°C | 6.2°C | 107 | 9.9 | 11.912 h |
| April | 21.8°C10.8°C | 10.8°C | 89 | 8.7 | 13.013 h |
| May | 26.2°C15.7°C | 15.7°C | 73 | 9.6 | 14.014 h |
| June | 29.8°C20.1°C | 20.1°C | 96 | 11.8 | 14.514 h |
| July, selected | 31.6°C22.1°C | 22.1°C | 93 | 13.5 | 14.314 h |
| August | 30.4°C21.4°C | 21.4°C | 102 | 11.5 | 13.513 h |
| September | 27.4°C18.4°C | 18.4°C | 93 | 8.4 | 12.412 h |
| October | 22.0°C12.4°C | 12.4°C | 83 | 6.9 | 11.311 h |
| November | 16.2°C6.7°C | 6.7°C | 80 | 7.5 | 10.410 h |
| December | 11.9°C3.1°C | 3.1°C | 96 | 9.1 | 9.910 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Charlotte in JulyUnited States · 37 kmHigh 31.5°C · Low 21.6°C · 98 mm rain
- Gastonia in JulyUnited States · 40 kmHigh 31.3°C · Low 21.8°C · 105 mm rain
- Concord (North Carolina), United States in JulyUnited States · 67 kmHigh 31.6°C · Low 22.0°C · 97 mm rain
- Columbia (South Carolina), United States in JulyUnited States · 103 kmHigh 32.3°C · Low 22.7°C · 112 mm rain
- High Point in JulyUnited States · 147 kmHigh 30.9°C · Low 21.1°C · 102 mm rain
- Winston-Salem in JulyUnited States · 149 kmHigh 31.1°C · Low 21.0°C · 93 mm rain
- Asheville in JulyUnited States · 158 kmHigh 27.8°C · Low 18.1°C · 99 mm rain
- Greensboro in JulyUnited States · 170 kmHigh 30.9°C · Low 21.2°C · 101 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Rock Hill) is explained once on the Rock Hill year overview and on the Sources, method and limits page.