St. Moritz weather and climate
January
February
March
April
May
June
July
August
September
October
November
December
Overview
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Overview
August >
St. Moritz weather and climate
January
February
March
April
May
June
July
August
September
October
November
December
Overview
July
< June
Overview
August >
Day
15 °C
Night
7 °C
Precipitation
109 mm
in month
Rainy days
14 days
in month
Daylight
15 hours
average
Sunshine
6 hours
average
Humidity
78 %
Day
15 °C
Night
7 °C
Precipitation
109 mm
in month
Rainy days
14 days
in month
Daylight
15 hours
average
Sunshine
6 hours
average
Humidity
78 %
Overview: St. Moritz
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Weather overview for St. Moritz
Weather overview
Nestled in the majestic Swiss Alps, St. Moritz is renowned for its cold climate and enchanting landscapes. The region experiences a wide temperature spectrum, with the mercury plummeting to as low as -6 °C (22 °F) during frigid January days, and climbing to a pleasant 15 °C (58 °F) at the height of summer in July. Amidst this temperature variation, there is a notable contrast in precipitation: February averages a mere 9 days of rain, whereas May sees the heaviest showers, marked by 15 days rainy days. Nighttime in St. Moritz promises a chilling range from -12 °C (11 °F) in the heart of winter to a moderate 7 °C (45 °F) during July evenings.
January weather
January in St. Moritz greets you with the lowest day temperatures, averaging -6 °C (22 °F), coupled with the coldest nights at -12 °C (11 °F). The commencement of a decrease in rainy days is notable, with 9 days, and a similar descent in rainfall, totalling 52 mm (2.04 in). The least amount of sun hours is also observed in January.
February weather
As February arrives, St. Moritz experiences the fewest rainy days, just 9 days, and a minimal amount of rainfall for the year. The upward trend in day temperatures is evident with them reaching -4 °C (24 °F), and an uptick in night temperatures, now at -11 °C (13 °F). A rise in sunlit hours indicates the coming of spring, with 5 hours.
March weather
With the advent of March, St. Moritz sees a gradual rise in day temperatures to 0 °C (31 °F) and nighttime temperatures to -6 °C (20 °F). The increase in rainy days is marked by 10 days with the start of heightened rainfall volume. St. Moritz reaches its peak wind speeds in March, clocking in at 3 m/s.
April weather
April confirms the continued ascent of temperatures, with day readings at 3 °C (37 °F), while nights follow suit, at -3 °C (26 °F). Damp days proliferate to 12 days, and rainfall swells to 71 mm (2.81 in).
May weather
May marks the pinnacle of precipitation in St. Moritz, coupling 15 days of rain with a generous rainfall of 97 mm (3.81 in). Daytime temperatures exhibit a robust climb to 8 °C (46 °F), whereas nights slowly warm to 2 °C (35 °F). High levels of humidity are prevalent, at a peak of 81 %.
June weather
June signifies the start of the tourist season in St. Moritz, with a discernible rise in rainfall volume to 106 mm (4.16 in). Day temperatures flourish to 12 °C (53 °F), while nights become more comfortable at 5 °C (40 °F). The zenith of daylight hours heralds the approaching solstice.
July weather
Tourism thrives in July with St. Moritz bathing in its warmest day temperatures at 15 °C (58 °F). Nights are similarly inviting, and the highest number of cloudless sky hours can be enjoyed, reaching 6 hours.
August weather
The tourism season persists into August in St. Moritz, though day temperatures show early signs of retreat. Wind speeds reduce to their yearly minimum, and despite rainfall amounts peaking, the mood remains vibrant.
September weather
September witnesses the waning of the tourist season, with day temperatures receding to a comfortable 10 °C (50 °F), and night temperatures beginning their descent at 4 °C (40 °F). Rainfall patterns follow suit, tapering to 99 mm (3.88 in), and rainy days diminish to 11 days.
October weather
October offers a pleasant decline in rainfall, now at 89 mm (3.49 in) in St. Moritz, with night temperatures also on a downward trend, averaging 1 °C (33 °F). A gradual decrease is also noted in the length of sunny hours, 6 hours, as autumn progresses.
November weather
November in St. Moritz has rainfall continuing its decline, with the gauge measuring at 78 mm (3.06 in). As the days grow colder, averaging 0 °C (31 °F), the nights echo this trend with temperatures dropping to -6 °C (22 °F). The shortening of day hours can be witnessed, indicative of winter's approach.
December weather
December heralds the year's end with a downward shift in rainfall to 61 mm (2.40 in) in St. Moritz. Day temperatures continue to fall, with broad averages of -4 °C (24 °F), while nights grow ever chillier at -10 °C (14 °F). The shortest day hours of the year are experienced, while a minimal humidity level adds a crisp feel to the air.
FAQs
What's the likelihood of having a rainy day in St. Moritz in January?
In St. Moritz during January, there's about a 27 % chance of a rainy day.
How do day temperatures in St. Moritz change as February unfolds?
Day temperatures in St. Moritz take a slight upward turn in February, averaging -4 °C (24 °F).
Can I expect more wind in March compared to February in St. Moritz?
Yes, March winds in St. Moritz surpass those of February, speeding up to a maximum of 3 m/s.
What is the rain situation like in St. Moritz for April?
Expect a considerable number of rainy days in St. Moritz during April, estimated at 12 days.
What is the humidity trend in St. Moritz throughout May?
St. Moritz experiences its highest humidity in May, soaking in at 81 %.
How does the daylight duration in June affect tourist activities in St. Moritz?
Longer daylight hours in June, averaging 16 hours, offer extended opportunities for tourists to partake in activities.
How favorable is the climate for outdoor activities in St. Moritz during July?
July's climate in St. Moritz is ideally suited for outdoor pursuits, thanks to daytime temperatures reaching 15 °C (58 °F).
Is August considered a wet month in St. Moritz?
July isn't deemed as a wet month, but expect up to 14 days of rain in St. Moritz.
Would I need an umbrella often in September in St. Moritz?
With a reduction in precipitation to 11 days, you might consider carrying an umbrella occasionally in September.
How does the decreasing sunny hours in October reflect on the weather in St. Moritz?
The diminishing sunny hours in October, with an average of 6 hours, hint at the upcoming winter season and shorter days.
How do nighttime temperatures in St. Moritz change as November sets in?
Nighttime temperatures in St. Moritz take a sharper dip in November, marking a cold -6 °C (22 °F).
With the year drawing to a close, how do December's temperatures in St. Moritz look?
December in St. Moritz brings the coldest temperatures of the year, with days averaging just above -4 °C (24 °F).
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