Cleveland weather in August
August in Cleveland: warm, rainy, with very humid — an excellent time to visit.
#4 of 12 months in Cleveland · #427 of 897 destinations to visit in August · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Cleveland in August
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Cleveland climate normals — August
| Daytime high | 26°C / 79°F | 🌤 warm |
|---|---|---|
| Nighttime low | 20°C / 67°F | |
| Rainfall | 93 mm / 3.7 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 78% | 💦 very humid |
| Dew point | 18°C / 64°F | |
| Sunshine | 11.6 h/day | |
| Daylight | 13.8 h | |
| Wind | 17 km/h / 10 mph | |
| Air quality (US AQI) | 55 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Cleveland in August — FAQ
- Is August a good time to visit Cleveland?
- August in Cleveland: warm, rainy, with very humid — an excellent time to visit. It ranks #4 of 12 months for Cleveland on SeasonMap's comfort score (82/100).
- What is the weather like in Cleveland in August?
- In August, Cleveland averages a daily high of 26.1°C and a low of 19.5°C, with about 92.8 mm of rain over roughly 13.8 rainy days.
- What is the air quality in Cleveland in August?
- Cleveland has a mean US Air Quality Index of about 55 in August.