About St. Moritz
St. Moritz is a Swiss municipality located in the canton of Graubünden (GR), at 46.486° latitude and 9.834° longitude. The municipality is part of the eastern Alps, alpine climate with snowy winters and cool summers. Also known as St. Moritz, St. Moritz benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of St. Moritz
The climate in St. Moritz is characteristic of the eastern Alps, alpine climate with snowy winters and cool summers. Temperatures, precipitation and wind conditions vary throughout the year with local features linked to altitude and surrounding terrain. Our data comes from official weather stations and real-time Netatmo sensors for St. Moritz and neighboring municipalities.
On this page you will find the detailed weather forecast for St. Moritz: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of St. Moritz: 1991–2020 normals
In St. Moritz (1843 m), the mean annual temperature is 2.2 °C. The warmest month is July (11.4 °C on average) and the coldest January (−7.1 °C). About 782 mm of precipitation falls per year, peaking in August (102 mm) with a minimum in February (26 mm). The sun shines for about 1766 hours a year, mostly in July (199 h). On average there are 218 frost days per year. The mean monthly maximum reaches 22.2 °C and the absolute minimum −22.6 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Sunshine (h) | Frost days | Summer days |
|---|---|---|---|---|---|---|---|
| Jan | −7.1 °C | 5.5 °C | −22.6 °C | 36 | 120 | 31 | 0 |
| Feb | −6.5 °C | 6.9 °C | −22.6 °C | 26 | 121 | 28 | 0 |
| Mar | −2.7 °C | 9.2 °C | −18.5 °C | 33 | 147 | 30 | 0 |
| Apr | 1.0 °C | 12.4 °C | −12.3 °C | 48 | 150 | 26 | 0 |
| May | 5.6 °C | 16.9 °C | −5.6 °C | 74 | 164 | 12 | 0 |
| Jun | 9.4 °C | 21.0 °C | −1.9 °C | 93 | 186 | 3 | 0 |
| Jul | 11.4 °C | 22.2 °C | 0.1 °C | 88 | 199 | 1 | 1 |
| Aug | 11.2 °C | 21.9 °C | −0.2 °C | 102 | 181 | 1 | 1 |
| Sep | 7.4 °C | 18.2 °C | −4.0 °C | 76 | 155 | 8 | 0 |
| Oct | 3.6 °C | 15.2 °C | −8.9 °C | 83 | 138 | 20 | 0 |
| Nov | −1.5 °C | 11.0 °C | −15.4 °C | 78 | 103 | 27 | 0 |
| Dec | −5.6 °C | 6.0 °C | −20.2 °C | 44 | 102 | 31 | 0 |
| Year | 2.2 °C | 22.2 °C | −22.6 °C | 782 | 1766 | 218 | 2 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Samedan (6 km, 1709 m), Piz Corvatsch (8 km, 3294 m), Segl-Maria (8 km, 1804 m), adjusted to the elevation of St. Moritz (1843 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near St. Moritz:
- Weather Silvaplana
- Weather Celerina/Schlarigna
- Weather Samedan
- Weather Sils im Engadin/Segl
- Weather Bever
- Weather Pontresina
- Weather La Punt Chamues-ch
- Weather Madulain
- Weather Zuoz
- Weather Poschiavo
- Weather S-chanf
- Weather Bergün Filisur
→ Nearby cities · Canton Graubünden
⛷️ Ski resorts in this municipality: St. Moritz
Frequently asked questions about weather in St. Moritz
What is the weather in St. Moritz today?
At the top of the page you will find the current temperature, precipitation and wind in St. Moritz, updated in real time.
What is the 15-day forecast for St. Moritz?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in St. Moritz.
Will it rain tomorrow in St. Moritz?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in St. Moritz.
What is the air quality in St. Moritz?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near St. Moritz.
Are there weather alerts for St. Moritz?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is St. Moritz located?
St. Moritz sits at around 1843 m above sea level in the canton of Graubünden. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in St. Moritz?
The warmest month in St. Moritz is July, averaging 11.4 °C (1991–2020 normal). The coldest is January at −7.1 °C.
How much does it rain in St. Moritz per year?
St. Moritz receives about 782 mm of precipitation a year. The wettest month is August (102 mm), the driest February (26 mm).
When is the best time to visit St. Moritz?
For warmth and sunshine: July (11.4 °C on average, 199 h of sun). The coldest month is January (−7.1 °C). Check the 15-day forecast above for your dates.