Geneva weather in August
August in Geneva: warm, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Geneva · #112 of 604 destinations to visit in August · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Geneva climate normals — August
| Daytime high | 25°C / 77°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Feels like (high) | 26°C / 79°F | |
| Rainfall | 107 mm / 4.2 in | 🌧 rainy |
| Rainy days | 11 days | |
| Humidity | 65% | 💧 humid |
| Dew point | 14°C / 58°F | |
| Sunshine | 11.1 h/day | |
| Daylight | 14.1 h | |
| Wind | 10 km/h / 6 mph | |
| Air quality (US AQI) | 39 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Geneva in August — FAQ
- Is August a good time to visit Geneva?
- August in Geneva: warm, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Geneva on SeasonMap's comfort score (88/100).
- What is the weather like in Geneva in August?
- In August, Geneva averages a daily high of 25.2°C and a low of 16.2°C, with about 107 mm of rain over roughly 11.2 rainy days.
- What is the air quality in Geneva in August?
- Geneva has a mean US Air Quality Index of about 39 in August.