Climate and monthly weather forecast
Saint Moritz, Switzerland

A snowy day in Saint Moritz, Switzerland,
A snowy day in Saint Moritz, Switzerland,

Climate and monthly weather forecast

The climate of Saint Moritz

Encompassed within the Ebenezer Howard's Garden City model, Saint Moritz in Switzerland experiences a Tundra climate, as defined by the Köppen climate classification. This mountainous region, encased by the iconic Alps, endures a landscape dominated by frosty winters and cool summers, displaying a range of temperatures from -15°C (5°F) to 14.6°C (58.3°F) throughout the year.

Rainfall patterns indicate an overall humid environment, with consistent rain every month reaching a peak from July to August with 109mm (4.29") to 125mm (4.92") of rainfall, equating to an average relative humidity lingering around 95%. Precipitation alternates between rain and snow, signifying a chill in the air with the snowfall bearing witness to the chilliest days, amounting up to 721mm (28.39") in November.

Month to month, the daylight hours in Saint Moritz show a difference that associate with its varying seasons, starting from 9.1 hours in January to the longest day in June with 15.8 hours of daylight. Sunshine days oscillate between 6.1 days in July and 17.2 days in December, meanwhile, the UV index remains low throughout the year.

Atmospheric pressure undergoes minor fluctuations within the range of 1015.3 mb to 1020.6 mb. Wind speed portrays a general steady flow from 7.9km/h (4.9mph) to 10.3km/h (6.4mph), with gusts up to 18.1km/h (11.2mph). Cloud cover is persistently high, revealing a moderately clouded skyline with a 76% peak in April.

The best time to visit Saint Moritz

For weather enthusiasts inclined towards moderate temperatures and abundant sunshine, the period from June to August serves as an excellent time for a visit. During these summer months, temperatures rise to an appealing high of 11.7°C (53.1°F) to 14.6°C (58.3°F). Simultaneously, average daylight soars to 15 hours, with peak sunshine hours reaching up to 9.1 hours in July. While the precipitation reaches its zenith, the volume is manageable, relaxing the atmosphere and fostering a lush green environment.

The worst time to visit Saint Moritz

Considerably, the months between November and January exhibit the harshest climate in Saint Moritz. With plummeting temperatures reaching a chilling low of -8.8°C (16.2°F) to -15°C (5°F), accompanied by considerable snowfall ranging from 319mm (12.56") to 721mm (28.39"), these periods pose challenging conditions for tourists. Certainly, the short daylight hours of 8.7 to 9.1 might not contribute much to the tourist experiences.

Spring weather in Saint Moritz

Transitioning from winter, spring in Saint Moritz manifests a slight increase in temperature to a peak average of 5.5°C (41.9°F) in May. Subsequently, rainfall shows an inclining trend from 82mm (3.23") in April to 102mm (4.02") in May. Wind speeds during this period show a marginal decrease from 9.3km/h (5.8mph) to 8.7km/h (5.4mph), facilitating better outdoor movement. Meanwhile, daylight hours advance, allowing for more sightseeing with 15 hours of light in May.

Summer weather in Saint Moritz

Summers in this spectacular Alpine setting elevates the temperature to a comforting 11.7°C (53.1°F) to 14.6°C (58.3°F). Despite the increased rainfall during these months, the duration of daylight prolongs close to 16 hours extending the moments of pleasure outdoors. With wind speeds dropping to a tranquil 7.9km/h (4.9mph) to 8.3km/h (5.2mph), summer offers a splendid time to embrace the beauty that Saint Moritz has to offer.

Autumn weather in Saint Moritz

The fall season in Saint Moritz brings noticeable changes to the climate, with temperatures progressively reducing from 10.1°C (50.2°F) in September to -0.5°C (31.1°F) in November. Despite the steady increase in rainfall from 68mm (2.68") to 104mm (4.09"), the visibility is fairly good with a range from 6 km to 7 km throughout this period. Autumn days are shorter but offer noteworthy sites with the changing colors of the foliage.

Winter weather in Saint Moritz

Winters in the Alpine town of Saint Moritz are synonymous with cold and snow-laden landscapes. Temperatures slide down to a freezing -15°C (5°F) in the heart of winter. Snowfall mounts up with 319mm (12.56") to 721mm (28.39"), blanketing the town and the adjacent mountainous region in a stunning white sheath. Despite the cold, the air quality is better during the winter months, with visibility reaching 7 km.

Weather in January

Saint Moritz enters the year with a chilly start in January. The city deals with a significant amount of snowfall with as high as 266mm (10.47") recorded, transforming the locale into a winter haven. Skiing and other winter sports become extremely popular during this time. Weather in January »

Weather in February

February in Saint Moritz presents similar climatic conditions as January, but with a rise in recorded snowfall to 309mm (12.17"). It continues to be a suitable time for winter sports, attracting enthusiasts from all over the world. Weather in February »

Weather in March

Gradual changes start in the weather during March in Saint Moritz. The snowfall displayed an increase to 391mm (15.39"), hinting at the last significant snow before the onset of spring. Winter sports still continue with gusto but the later part of the month may introduce spring activities. Weather in March »

Weather in April

April in Saint Moritz brings a considerable change from the previous months, seeing a drop in snowfall to 504mm (19.84"). It signifies the departure from the heavy winter, opening the doors to spring. Wildflowers start to bloom, providing a colourful contrast to the receding white landscapes. Weather in April »

Weather in May

Saint Moritz welcomes May with a much-warmer climate. The snowfall reduces drastically, being recorded as low as 267mm (10.51"). The decrease is indicative of the arrival of warmer months. Visitors can enjoy more hours of daylight, allowing for longer outdoor explorations. Weather in May »

Weather in June

June sets the tone for summer in Saint Moritz, with traces of snowfall limited to just 26mm (1.02"). It's a departure from the snowy scenery, giving way to green landscapes and clear skies. Activities transition decidedly towards sailing, windsurfing, and hiking, making it suitable for adventure seekers. Weather in June »

Weather in July

July, noted for its mild temperature highs touching 14.6°C (58.3°F), is the warmest month in Saint Moritz. This provides ample opportunities for picnics by the lake, mountain biking, and hiking. Coinciding with the summer holidays in many parts of the world, the city attracts a large number of tourists. Weather in July »

Weather in August

The weather in Saint Moritz continues to remain warm in August with temperature highs around 14.5°C (58.1°F). The city presents ample opportunities for outdoor pursuits, making it a favourite month for active holidaymakers. While days remain warm, evenings may see a slight drop in temperatures, giving a balanced weather experience. Weather in August »

Weather in September

September marks the onset of autumn in Saint Moritz with temperatures averaging around 10.1°C (50.2°F). The climate’s transition from summer to autumn invites a reduction in tourist footfall, restoring peace and tranquility to the city. Weather in September »

Weather in October

October witnesses a further drop in temperature to 5.1°C (41.2°F) in Saint Moritz. The first hints of snow may start to appear towards the end of the month, signifying the winter's arrival. Autumn colours reach their peak, making it a delight for nature lovers and photographers. Weather in October »

Weather in November

November sees an early onset of winter in Saint Moritz, with temperatures dropping to -0.5°C (31.1°F). A notable rise in snowfall to 721mm (28.39") marks a return of the winter landscape. Skiing and snowboarding begin to take centre stage as popular outdoor activities. Weather in November »

Weather in December

Saint Moritz sees the year off with a snowy December exhibiting temperatures as low as -4°C (24.8°F). There is an increase in snowfall, registering around 319mm (12.56"). The snowy cityscape makes this month perfect for celebrating Christmas and welcoming the New Year. Weather in December »

Frequently asked questions

What month is the coldest in Saint Moritz?
Temperature records in Saint Moritz mark January as the coldest month, with highs averaging -5.1°C (22.8°F) and lows at -15°C (5°F).
What is the driest month in Saint Moritz?
January is the month with the least rainfall in Saint Moritz, Switzerland. Rain falls for 2 days and accumulates 33mm (1.3") of precipitation.
How many days does it rain in Saint Moritz?
Throughout the year, there are 140.7 rainfall days, and 944mm (37.17") of precipitation is accumulated.
When does it snow in Saint Moritz?
Months with snowfall are January through December.
How much does it snow in Saint Moritz?
Throughout the year, there are 125.3 snowfall days, and 3141mm (123.66") of snow is accumulated.
What are the months with the lowest UV index in Saint Moritz?
The months with the lowest UV index in Saint Moritz are January through April, October and November, with an average maximum UV index of 1.
What is the most humid month in Saint Moritz?
The most humid month in Saint Moritz, Switzerland, is April, with an average relative humidity of 96%.
When are the longest days in Saint Moritz?
The month with the longest days in Saint Moritz is June, with an average of 15h and 48min of daylight.
What is the month with the highest UV index in Saint Moritz?
June and July, with an average maximum UV index of 3, are months with the highest UV index.
What time of the year is the hottest in Saint Moritz?
July, with its high-temperature average of 14.6°C (58.3°F) and a low-temperature average of 3.8°C (38.8°F), is the warmest month.
What is the least humid month in Saint Moritz?
July is the least humid month in Saint Moritz, with an average relative humidity of 81%.
When it does not snow in Saint Moritz?
July is the month with the least snowfall in Saint Moritz. Snow falls for 0.4 days and accumulates 4mm (0.16") of snow.
What month has the most sunshine in Saint Moritz?
July has the most sunshine of the year in Saint Moritz, with an average of 9.1h of sunshine.
What is the rainiest month in Saint Moritz?
The month with the most rainfall is August, when the rain falls for 22.3 days and typically aggregates up to 125mm (4.92") of precipitation.
When is Daylight Saving Time (DST) in Saint Moritz?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Saint Moritz, Switzerland, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the snowiest month in Saint Moritz?
The month with the most snowfall in Saint Moritz is November, when snow falls for 15.7 days and typically aggregates up to 721mm (28.39") of snow.
What is the month with the least sunshine in Saint Moritz?
November has the least sunshine of the year in Saint Moritz, Switzerland, with an average of 3.2h of sunshine.
What is the month with the shortest days in Saint Moritz?
The month with the shortest days in Saint Moritz is December, with an average of 8h and 42min of daylight.
Average temperature
Saint Moritz, Switzerland

The warmest month (with the highest average high temperature) is July (14.6°C).
The month with the lowest average high temperature is January (-5.1°C).

The months with the highest average low temperature are July and August (3.8°C).
The coldest month (with the lowest average low temperature) is February (-15.1°C).

Average pressure
Saint Moritz, Switzerland

The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).

Average wind speed
Saint Moritz, Switzerland

The windiest months (with the highest average wind speed) are February and December (10.3km/h).
The calmest month (with the lowest average wind speed) is August (7.9km/h).

Average humidity
Saint Moritz, Switzerland

The month with the highest relative humidity is April (96%).
The month with the lowest relative humidity is July (81%).

Average rainfall
Saint Moritz, Switzerland

The wettest month (with the highest rainfall) is August (125mm).
The driest month (with the least rainfall) is January (33mm).

Average rainfall days
Saint Moritz, Switzerland

The month with the highest number of rainy days is July (22.9 days).
The month with the least rainy days is December (1.5 days).

Average snowfall
Saint Moritz, Switzerland

The month with the highest snowfall is November (721mm).
The month with the least snowfall is July (4mm).

Average snowfall days
Saint Moritz, Switzerland

The month with the highest number of snowfall days is March (21.2 days).
The month with the least snowfall days is August (0.3 days).

Average daylight / Average sunshine
Saint Moritz, Switzerland

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).

The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is November (Average sunshine: 3h and 12min).

Average sunshine days
Saint Moritz, Switzerland

The month with the most sunshine days is December (17.2 days).
The month with the least sunshine days is July (6.1 days).

Average UV index
Saint Moritz, Switzerland

The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, April, October and November (UV index 1).

Average visibility
Saint Moritz, Switzerland

The months with the highest visibility are June, July, August and December (7km).
The month with the lowest visibility is April (4km).

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