When to go
The Best Time to Visit St. Moritz
Month-by-month climate data for St. Moritz, Switzerland — daily highs and lows, rain days, and an honest verdict for every month of the year.
Timing is the first real decision when planning St. Moritz— it drives crowds, prices and what's actually open. Here's how the year breaks down so you can pick dates that fit the trip you're building, not just the weather.
December–April, July–September. Winter for skiing and the iconic frozen lake; summer for high-alpine hiking and lake afternoons.
Warmest in St. Moritz: Jul (17°C / 63°F) · Coolest: Jan (-2°C / 28°F) · Wettest: May (~14 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
St. Moritz climate, month by month
January
-2° / -11°C
~11 rain days
Tough
February
1° / -8°C
~10 rain days
Tough
March
1° / -8°C
~10 rain days
Tough
April
4° / -5°C
~10 rain days
Tough
May
8° / 0°C
~14 rain days
Fair
June
14° / 4°C
~13 rain days
Good
July
17° / 7°C
~13 rain days
Good
August
17° / 6°C
~12 rain days
Good
September
12° / 3°C
~10 rain days
Good
October
8° / 0°C
~11 rain days
Fair
November
3° / -6°C
~11 rain days
Tough
December
-1° / -9°C
~12 rain days
Tough
Plan around it
Dates locked in? Start from the St. Moritz travel guide or jump straight to a 3-day, 5-day or 7-day itinerary.