Columbus weather in August
August in Columbus: warm, a little rain — an excellent time to visit.
#4 of 12 months in Columbus · #394 of 897 destinations to visit in August · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Columbus in August
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Columbus climate normals — August
| Daytime high | 28°C / 82°F | 🌤 warm |
|---|---|---|
| Nighttime low | 19°C / 66°F | |
| Rainfall | 76 mm / 3 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 17°C / 63°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 13.7 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Columbus in August — FAQ
- Is August a good time to visit Columbus?
- August in Columbus: warm, a little rain — an excellent time to visit. It ranks #4 of 12 months for Columbus on SeasonMap's comfort score (83/100).
- What is the weather like in Columbus in August?
- In August, Columbus averages a daily high of 27.7°C and a low of 18.9°C, with about 76.2 mm of rain over roughly 12.2 rainy days.
- What is the air quality in Columbus in August?
- Columbus has a mean US Air Quality Index of about 54 in August.