Zermatt weather in August
August in Zermatt: nice, soaked, with clean air — one of the weakest months to visit.
#11 of 12 months in Zermatt · #593 of 604 destinations to visit in August · comfort 26/100 (tier F)
Updated June 2026 · climate normals from ERA5 reanalysis
Zermatt climate normals — August
| Daytime high | 21°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 53°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 198 mm / 7.8 in | ⛈ soaked |
| Rainy days | 19 days | |
| Humidity | 73% | 💧 humid |
| Dew point | 11°C / 53°F | |
| Sunshine | 11.2 h/day | |
| Daylight | 14.1 h | |
| Wind | 6 km/h / 3 mph | |
| Snowfall | 9.1 cm / 3.6 in | |
| 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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Zermatt in August — FAQ
- Is August a good time to visit Zermatt?
- August in Zermatt: nice, soaked, with clean air — one of the weakest months to visit. It ranks #11 of 12 months for Zermatt on SeasonMap's comfort score (26/100).
- What is the weather like in Zermatt in August?
- In August, Zermatt averages a daily high of 20.6°C and a low of 11.9°C, with about 198.1 mm of rain over roughly 18.8 rainy days.
- What is the air quality in Zermatt in August?
- Zermatt has a mean US Air Quality Index of about 39 in August.
- Does it snow in Zermatt in August?
- Zermatt sees roughly 9.1 cm of snowfall in August.