Frankfurt weather in August
August in Frankfurt: warm, a little rain — an excellent time to visit.
#4 of 12 months in Frankfurt · #162 of 604 destinations to visit in August · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Frankfurt climate normals — August
| Daytime high | 26°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Feels like (high) | 25°C / 77°F | |
| Rainfall | 63 mm / 2.5 in | 🌦 some rain |
| Rainy days | 12 days | |
| Humidity | 64% | 💧 humid |
| Dew point | 13°C / 56°F | |
| Sunshine | 10.6 h/day | |
| Daylight | 14.4 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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Frankfurt in August — FAQ
- Is August a good time to visit Frankfurt?
- August in Frankfurt: warm, a little rain — an excellent time to visit. It ranks #4 of 12 months for Frankfurt on SeasonMap's comfort score (86/100).
- What is the weather like in Frankfurt in August?
- In August, Frankfurt averages a daily high of 25.5°C and a low of 16.2°C, with about 62.7 mm of rain over roughly 12.2 rainy days.
- What is the air quality in Frankfurt in August?
- Frankfurt has a mean US Air Quality Index of about 54 in August.