Climate averages 1991–2020
Columbia (South Carolina), United States weather
in July.
A hot, wet month: the warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Columbia (South Carolina), United States: daytime highs average 32.3°C and nights cool to about 22.7°C. By daytime temperature it is the warmest month of the year.
Expect about 112 mm of rain on roughly 15 days, which makes July a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 11 min on an average July day.
The nearest other city in this atlas is Rock Hill (103 km away). In July its highs average 31.6°C, 0.7°C cooler than Columbia (South Carolina), United States, with 93 mm of rain.
Among the 498 cities listed in the United States, Columbia (South Carolina), United States ranks joint 122nd of 498 for the warmest July highs and joint 435th of 498 for the driest July (rainfall, lowest first). The mean July high of those 498 cities is 30.3°C; Columbia (South Carolina), United States is 2.0°C warmer than that mean.
From July to August, average highs fall by 1.1°C to 31.2°C, and monthly rainfall falls from 112 mm to 107 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
Columbia (South Carolina), United States climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 12.3°C2.7°C | 2.7°C | 89 | 9.1 | 10.210 h |
| February | 14.4°C3.9°C | 3.9°C | 87 | 8.3 | 10.911 h |
| March | 18.4°C7.1°C | 7.1°C | 89 | 9.3 | 12.012 h |
| April | 23.4°C11.4°C | 11.4°C | 85 | 8.1 | 13.013 h |
| May | 27.6°C16.3°C | 16.3°C | 76 | 9.3 | 13.914 h |
| June | 30.7°C20.7°C | 20.7°C | 108 | 13.4 | 14.414 h |
| July, selected | 32.3°C22.7°C | 22.7°C | 112 | 15.2 | 14.214 h |
| August | 31.2°C22.0°C | 22.0°C | 107 | 13.4 | 13.413 h |
| September | 28.3°C19.0°C | 19.0°C | 94 | 8.8 | 12.412 h |
| October | 23.3°C13.1°C | 13.1°C | 84 | 7.1 | 11.411 h |
| November | 17.8°C7.4°C | 7.4°C | 72 | 7.2 | 10.410 h |
| December | 13.6°C4.2°C | 4.2°C | 93 | 8.8 | 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
- Rock Hill in JulyUnited States · 103 kmHigh 31.6°C · Low 22.1°C · 93 mm rain
- Charlotte in JulyUnited States · 137 kmHigh 31.5°C · Low 21.6°C · 98 mm rain
- Gastonia in JulyUnited States · 141 kmHigh 31.3°C · Low 21.8°C · 105 mm rain
- North Charleston in JulyUnited States · 161 kmHigh 31.0°C · Low 24.2°C · 138 mm rain
- Concord (North Carolina), United States in JulyUnited States · 162 kmHigh 31.6°C · Low 22.0°C · 97 mm rain
- Charleston in JulyUnited States · 170 kmHigh 30.4°C · Low 24.9°C · 138 mm rain
- Savannah in JulyUnited States · 213 kmHigh 31.5°C · Low 24.2°C · 115 mm rain
- Athens, United States in JulyUnited States · 216 kmHigh 31.6°C · Low 22.0°C · 102 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 Columbia) is explained once on the Columbia (South Carolina), United States year overview and on the Sources, method and limits page.