Climate averages 1991–2020
Columbus weather
in July.
A hot, moderately wet month: the warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Columbus: daytime highs average 28.3°C and nights cool to about 19.0°C. By daytime temperature it is the warmest month of the year.
Expect about 88 mm of rain on roughly 11 days, which makes July a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 42 min on an average July day.
The nearest other city in this atlas is Dayton (104 km away). In July its highs average 28.4°C, about as warm as Columbus, with 86 mm of rain.
Among the 498 cities listed in the United States, Columbus ranks joint 342nd of 498 for the warmest July highs and joint 295th of 498 for the driest July (rainfall, lowest first). The mean July high of those 498 cities is 30.3°C; Columbus is 2.0°C cooler than that mean.
From July to August, average highs fall by 0.5°C to 27.8°C, and monthly rainfall falls from 88 mm to 73 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
Columbus climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.2°C-6.1°C | -6.1°C | 84 | 10.7 | 9.710 h |
| February | 4.4°C-4.7°C | -4.7°C | 71 | 9.4 | 10.711 h |
| March | 9.7°C-0.2°C | -0.2°C | 98 | 11.2 | 11.912 h |
| April | 16.6°C5.6°C | 5.6°C | 115 | 12.4 | 13.213 h |
| May | 21.8°C11.6°C | 11.6°C | 113 | 13.3 | 14.414 h |
| June | 26.3°C16.8°C | 16.8°C | 103 | 11.9 | 15.015 h |
| July, selected | 28.3°C19.0°C | 19.0°C | 88 | 11.1 | 14.715 h |
| August | 27.8°C18.3°C | 18.3°C | 73 | 9.6 | 13.714 h |
| September | 24.3°C14.6°C | 14.6°C | 73 | 8.3 | 12.512 h |
| October | 17.5°C8.3°C | 8.3°C | 74 | 9.0 | 11.211 h |
| November | 10.3°C2.1°C | 2.1°C | 80 | 9.4 | 10.010 h |
| December | 4.5°C-2.7°C | -2.7°C | 86 | 10.3 | 9.49 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
- Dayton in JulyUnited States · 104 kmHigh 28.4°C · Low 19.5°C · 86 mm rain
- Cincinnati in JulyUnited States · 160 kmHigh 28.9°C · Low 19.5°C · 88 mm rain
- Canton (Ohio), United States in JulyUnited States · 166 kmHigh 27.5°C · Low 18.3°C · 87 mm rain
- Meads in JulyUnited States · 174 kmHigh 29.6°C · Low 20.4°C · 109 mm rain
- Akron in JulyUnited States · 177 kmHigh 27.6°C · Low 18.3°C · 89 mm rain
- Parma, United States in JulyUnited States · 193 kmHigh 26.8°C · Low 19.2°C · 99 mm rain
- Toledo, United States in JulyUnited States · 195 kmHigh 27.7°C · Low 19.0°C · 81 mm rain
- Cleveland in JulyUnited States · 203 kmHigh 26.7°C · Low 19.6°C · 99 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 Columbus) is explained once on the Columbus year overview and on the Sources, method and limits page.