Zermatt weather in May
May in Zermatt: cool, rainy, with clean air — an excellent time to visit.
#4 of 12 months in Zermatt · #276 of 604 destinations to visit in May · comfort 83/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Zermatt climate normals — May
| Daytime high | 11°C / 52°F | 🙂 cool |
|---|---|---|
| Nighttime low | 4°C / 39°F | |
| Feels like (high) | 11°C / 52°F | |
| Rainfall | 146 mm / 5.7 in | 🌧 rainy |
| Rainy days | 18 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 6°C / 43°F | |
| Sunshine | 10.7 h/day | |
| Daylight | 15 h | |
| Wind | 6 km/h / 4 mph | |
| Snowfall | 72.6 cm / 28.6 in | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Zermatt in May — FAQ
- Is May a good time to visit Zermatt?
- May in Zermatt: cool, rainy, with clean air — an excellent time to visit. It ranks #4 of 12 months for Zermatt on SeasonMap's comfort score (83/100).
- What is the weather like in Zermatt in May?
- In May, Zermatt averages a daily high of 11.1°C and a low of 3.9°C, with about 145.9 mm of rain over roughly 18 rainy days.
- What is the air quality in Zermatt in May?
- Zermatt has a mean US Air Quality Index of about 43 in May.
- Does it snow in Zermatt in May?
- Zermatt sees roughly 72.6 cm of snowfall in May.