- Rain mm/yr
- 1,397
Updated July 2026 · Sources cited: weather-and-climate.com, weather-atlas.com
Good to know
Good to Know
- St. Moritz sits at 1,856 meters—the altitude means UV index peaks around 9 on clear winter days; high-SPF sunscreen and glacier glasses are essential year-round.
- The Engadin valley is oriented to capture maximum alpine sun, with approximately 322 days of sunshine annually, though this intensity varies seasonally.
- February is historically the most expensive month for accommodation (peak school holiday period); May and April-early May are the most budget-friendly times.
- November is the wettest month and often marks a transition between seasons; many facilities and restaurants may close briefly before winter peak season.
- Snow depths peak in February and March, providing optimal skiing conditions. Altitudes above 2,000 meters typically have more reliable snow than lower slopes.
- Summer (June–August) brings the largest crowds and most frequent afternoon showers; expect afternoon thunderstorms, especially in June and August.
Overview
St. Moritz experiences a cold Alpine climate with significant seasonal variation. Winters are frigid with substantial snowfall, while summers remain cool. The city is positioned at 1,856 meters elevation and receives approximately 1,397 mm of precipitation annually.
Best And Worst Months
- Best Months
- December through March for winter sports; July through September for summer activities
- Worst Months
- April-May and October-November are shoulder seasons with variable conditions and low visitor activity; November is noted as particularly wet
Rainfall And Snowfall
- Annual Total Mm
- 1397
- Snowfall Pattern
- Snow dominates precipitation November through March. November peak snowfall reaches approximately 721 mm. December receives around 319 mm. Winter sports season typically runs late November through April, with February and March offering peak fresh snow conditions. Summer months (June-August) experience rain rather than snow.
Driest Month
- Month
- February
- Rainfall Mm
- 68
Wettest Month
- Month
- June
- Rainfall Mm
- 160
Seasonal Characteristics
- Autumn
- October–November: Cooling trend, increasing precipitation. November is transitional and wet. Fewer tourists; autumn colors in October.
- Spring
- April–May: Warming trend, but still cold. Shoulder season with fewer crowds. Variable weather.
- Summer
- June–September: Warmest period (temperatures 12–16°C (54–61°F) daytime). Frequent afternoon showers, especially June-August. Popular for hiking and outdoor activities. July is sunniest month.
- Winter
- December–March: Clear, bright, cold days with abundant powder snow. Temperature range -5°C (23°F) to 5°C (41°F) during daytime. Peak season for skiing and winter events.
Peak And Off Peak Temperatures
Peak Cold
- Months
- January
- Daytime High Celsius
- -6
- Nighttime Low Celsius
- -12
- Daytime High Fahrenheit
- 21
- Nighttime Low Fahrenheit
- 10
Peak Warmth
- Months
- July
- Daytime High Celsius
- 16
- Nighttime Low Celsius
- 4
- Daytime High Fahrenheit
- 61
- Nighttime Low Fahrenheit
- 39
AI-generated estimateData refreshed July 2026
Sources cited for this category
These are the sources cited in this climate & weather research for this city. Individual figures may not each trace to one of them.
More About St. Moritz
Data last updated July 2026 · Verify anything important.