The best times to visit St Moritz for ideal weather are

January 22nd to April 22nd

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other St Moritz Travel Info

Weather in St Moritz


Average temperatures in St Moritz vary drastically. Considering humidity, temperatures feel cold all year with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 13th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit St Moritz, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 67.9°F (19.9°C) with temperatures rarely dropping below 41.7°F (5.4°C) at night.

St Moritz Temperatures (Fahrenheit)


St Moritz Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

St Moritz Perceived Temperature (F)


St Moritz Perceived Temperature (C)



Average St Moritz Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 29.8 18.1 6.2
Feb 32 19 5.7
Mar 39.1 27.6 15.9
Apr 48.2 36.7 25.4
May 55.4 44.4 33.1
Jun 62.4 51.1 39.4
Jul 66.8 54.2 41.2
Aug 65.8 53.4 41.2
Sep 58.6 46.1 34.8
Oct 50.8 38.2 27.9
Nov 40.7 29.1 19.5
Dec 30.7 19.8 9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan -1.2 -7.7 -14.3
Feb 0 -7.2 -14.6
Mar 3.9 -2.4 -8.9
Apr 9 2.6 -3.7
May 13 6.9 0.6
Jun 16.9 10.6 4.1
Jul 19.3 12.3 5.1
Aug 18.8 11.9 5.1
Sep 14.8 7.8 1.6
Oct 10.4 3.4 -2.3
Nov 4.8 -1.6 -6.9
Dec -0.7 -6.8 -12.8



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in St Moritz are February, March, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid February. For example, on the week of February 19th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early June with an average of 3 days of significant precipitation the week of June 4th.

When can you find snow in St Moritz? Weather stations report very large amounts of snow likely to be deepest around February, especially close to early February. The best time to ski (if at all) in St Moritz is often around around February 12th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in St Moritz.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in St Moritz (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 12% 20.7 1.6
Feb 7% 22.9 0.8
Mar 7% 13.7 0.8
Apr 11% 5.2 1.4
May 24% 1.1 3.1
Jun 27% 1.1 3.4
Jul 28% 0.4 3.5
Aug 26% 0 3.6
Sep 18% 1.4 2.8
Oct 18% 2.6 2.5
Nov 17% 3.8 2.9
Dec 14% 12.3 1.5

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 12 52.6 4.1
Feb 7 58.2 2
Mar 7 34.8 2
Apr 11 13.2 3.6
May 24 2.8 7.9
Jun 27 2.8 8.6
Jul 28 1 8.9
Aug 26 0 9.1
Sep 18 3.6 7.1
Oct 18 6.6 6.4
Nov 17 9.7 7.4
Dec 14 31.2 3.8


Humidity and Wind

St Moritz has some high humidity months, with other comfortably humid months. The least humid month is April (56% relative humidity), and the most humid month is November (69%).

Wind in St Moritz is usually calm. The windiest month is May, followed by July and August. May’s average wind speed of around 5.5 knots (6.3 MPH or 10.1 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid July where average top sustained speeds reach 14.4 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in St Moritz.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 3 Barely noticeable 8.2 Gentle breeze
Feb 3.6 Barely noticeable 10 Gentle breeze
Mar 4.3 Light breeze 11 Gentle breeze
Apr 4.7 Light breeze 12 Significant breeze
May 5.5 Light breeze 13.3 Gentle breeze
Jun 5.3 Light breeze 13.5 Significant breeze
Jul 5.4 Light breeze 13.9 Gentle breeze
Aug 5.3 Light breeze 14.2 Significant breeze
Sep 4.7 Light breeze 13.1 Gentle breeze
Oct 4.2 Light breeze 11.7 Significant breeze
Nov 3.3 Barely noticeable 9.3 Gentle breeze
Dec 3.1 Barely noticeable 8.1 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 65.8%
Feb 60.4%
Mar 56.4%
Apr 56%
May 57.5%
Jun 62.2%
Jul 60.5%
Aug 65%
Sep 66.1%
Oct 68.9%
Nov 69%
Dec 67%


Is it Safe to Travel to St Moritz?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for Switzerland; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 14, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in St Moritz, Switzerland is May, followed by June and March. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit St Moritz in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 58.3 in December means 58.3% of the tourists vs. May.



Overall St Moritz Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 58.2°F (14.6°C) and 36.7°F (2.6°C) with warmer temperatures in the later months. Rain is somewhat common with 2 to 8 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have cold weather with high temperatures that are comfortable. These months see the most precipitation with 8 to 9 days of precipitation per month. June – August is the second busiest season for tourism in St Moritz, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 60.9°F (16.1°C) and 33.8°F (1°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 5 to 6 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in St Moritz to be enjoyable for warm weather travelers. The average high during this season is between 38.4°F (3.6°C) and 27.4°F (-2.6°C). On average, it rains or snows a smalll amount: 2 to 4 times per month. These times of year are fairly slow with tourists.


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