Weather in Zermatt in April

The month to avoid. Of the twelve, April is the one to avoid. Highs sit at 6.9 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.

April ranks 7 of 12 in Zermatt: past the worst of the year but short of August, which is the month to book if the dates are open.

Rain on 13 days, 2 of them heavy. Enough to need a plan B, not enough to need a plan around it. Layers, and a genuinely waterproof outer — at 6.9 °C the difference between a good day and a miserable one is entirely down to what you are wearing.

What the averages hide

Averages flatten a month, and this one hides a few things: 17 nights fall below freezing. Across the twenty years measured, the hottest April day reached 17.7 °C and the coldest night fell to -14.8 °C, and the wettest single day dropped 35 mm — roughly 50% of the month's rain in one day.

April is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest April on record still delivered 127 mm against 20 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 70 mm average is a reasonable planning figure, not a promise.

Wind is light at 5.9 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 83%, which at 6.9 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.

How April sits in the year

The month is on the way up: 4.9 °C warmer than March, and May adds another 5.4 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short. Rain is the thing that moves: May brings 5 days more of it, so the earlier half of a flexible trip is the safer half.

Daylight in April

13.5 hours of daylight, gaining 1.6 hours across the month. That is between Zermatt's extremes of 15.7 and 8.7 hours, so days are long enough not to constrain the plan.

An inland climate

With no coast nearby, the year swings a fair way — 28.7 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage. At 1608 m, altitude is doing as much work here as latitude: thinner air means fierce sun by day and heat that leaves the moment it sets.

How busy it gets

Quiet. Few other visitors, cheaper rooms, and a real chance some seasonal operators are shut.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

April in Zermatt versus nearby

If Zermatt is one option among several, the nearby comparison is worth making. Chamonix-Mont-Blanc is a better bet in April — 4.6 °C warmer, the same number of rain days. Luzern is a better bet in April — 8.1 °C warmer, 1 day more rain.

So: April is a compromise. August is 34 points better and is what Zermatt is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Zermatt

See all twelve months in Zermatt, or where else to go in April.