Verdict: Fair month
Zermatt Weather in May
May is properly cold in Zermatt, with highs of only 9°C (48°F). Expect showers on roughly 11 days of the month — rarely trip-ruining, worth planning around. May is workable in Zermatt if your dates are fixed — just plan around the conditions.
Average high
9°C / 48°F
Average low
3°C / 37°F
Rain days
~11
Precipitation
130 mm
What to pack for Zermatt in May
- A proper warm jacket, and a hat for mornings
- A packable rain shell or compact umbrella earns its space
- Comfortable walking shoes — every guide on this site assumes you'll use them
May against the rest of the year
Warmest in Zermatt: Jul (18°C / 64°F) · Coolest: Jan (0°C / 32°F) · Wettest: Dec (~14 rain days)
0°
-6°
Jan
3°
-4°
Feb
2°
-5°
Mar
5°
-2°
Apr
9°
3°
May
15°
7°
Jun
18°
9°
Jul
18°
8°
Aug
14°
5°
Sep
10°
2°
Oct
4°
-3°
Nov
1°
-6°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)