Cleveland weather in May
May in Cleveland: nice, rainy — an excellent time to visit.
#3 of 12 months in Cleveland · #290 of 897 destinations to visit in May · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Cleveland in May
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Cleveland climate normals — May
| Daytime high | 20°C / 67°F | 😎 nice |
|---|---|---|
| Nighttime low | 11°C / 52°F | |
| Rainfall | 98 mm / 3.9 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 10°C / 50°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 14.5 h | |
| Wind | 20 km/h / 12 mph | |
| Snowfall | 0.2 cm / 0.1 in | |
| Air quality (US AQI) | 56 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Cleveland in May — FAQ
- Is May a good time to visit Cleveland?
- May in Cleveland: nice, rainy — an excellent time to visit. It ranks #3 of 12 months for Cleveland on SeasonMap's comfort score (86/100).
- What is the weather like in Cleveland in May?
- In May, Cleveland averages a daily high of 19.6°C and a low of 11°C, with about 97.8 mm of rain over roughly 11.6 rainy days.
- What is the air quality in Cleveland in May?
- Cleveland has a mean US Air Quality Index of about 56 in May.