Columbus weather in May
May in Columbus: nice, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Columbus · #191 of 897 destinations to visit in May · comfort 89/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Columbus in May
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Columbus climate normals — May
| Daytime high | 22°C / 71°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Rainfall | 111 mm / 4.4 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 11°C / 52°F | |
| Sunshine | 9.7 h/day | |
| Daylight | 14.4 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 49 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Columbus in May — FAQ
- Is May a good time to visit Columbus?
- May in Columbus: nice, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Columbus on SeasonMap's comfort score (89/100).
- What is the weather like in Columbus in May?
- In May, Columbus averages a daily high of 21.9°C and a low of 12°C, with about 111.3 mm of rain over roughly 13.6 rainy days.
- What is the air quality in Columbus in May?
- Columbus has a mean US Air Quality Index of about 49 in May.