Annecy weather in August
August in Annecy: warm, rainy, with clean air — one of the best months to visit.
#1 of 12 months in Annecy · #102 of 897 destinations to visit in August · comfort 91/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Traveller notes on Annecy in August
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Annecy climate normals — August
| Daytime high | 25°C / 77°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 61°F | |
| Rainfall | 112 mm / 4.4 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 63% | 💧 humid |
| Dew point | 14°C / 57°F | |
| Sunshine | 11.1 h/day | |
| Daylight | 14.1 h | |
| Wind | 8 km/h / 5 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Annecy in August — FAQ
- Is August a good time to visit Annecy?
- August in Annecy: warm, rainy, with clean air — one of the best months to visit. It ranks #1 of 12 months for Annecy on SeasonMap's comfort score (91/100).
- What is the weather like in Annecy in August?
- In August, Annecy averages a daily high of 25.2°C and a low of 16°C, with about 111.7 mm of rain over roughly 12 rainy days.
- What is the air quality in Annecy in August?
- Annecy has a mean US Air Quality Index of about 41 in August.