St. Moritz weather in August
“Mild and bright — an underrated time to visit.”
Roughly 14 rainy days across the month, on average.
In august, St. Moritz settles into its quieter, cooler pace. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 17°C (63°F), cooling to 7°C after sunset. Expect meaningful rain — some 14 wet days across the month. Pack accordingly and let the weather choose your afternoons. Long days of sunshine reward early starts.
These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.
What to pack for St. Moritz in August
- •A light layer for cool mornings and evenings
- •A compact travel umbrella — one you'll actually carry
- •A merino base layer for the cold evenings
- •Comfortable, broken-in walking shoes
- •A small daypack that won't look like a tourist beacon
What to pack for St. Moritz in August
- →Breathable travel pantsAmazon · shop this
- →Packable rain jacketAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Waterproof dry bagAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
- →Polarized sunglassesAmazon · shop this
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St. Moritz in August — FAQ
Q01Should I visit St. Moritz in August?
Should I visit St. Moritz in August?
It is a fair time to visit — expect variable conditions and plan flexibility. In August, St. Moritz averages a high of 17°C (63°F) and a low of 7°C (45°F), with 110mm of rainfall across roughly 14 rainy days.
Q02What temperatures should I expect in St. Moritz during August?
What temperatures should I expect in St. Moritz during August?
The average high temperature in St. Moritz during August is 17°C (63°F), with an average low of 7°C (45°F). These figures are averaged from 11 complete years of daily records (2015–2025, Open-Meteo Archive).
Q03Is August a rainy month in St. Moritz?
Is August a rainy month in St. Moritz?
St. Moritz averages approximately 14 rainy days in August, with a total monthly rainfall of about 110mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.
Q04How should I dress for St. Moritz in August?
How should I dress for St. Moritz in August?
For St. Moritz in August, pack layered clothing for changing temperatures, a merino base layer for evenings, a compact umbrella or waterproof jacket, comfortable walking shoes. These recommendations are based on 11 complete years of weather averages for this specific month.
Q05Is August a busy travel month for St. Moritz?
Is August a busy travel month for St. Moritz?
Tourist crowds in St. Moritz during August are typically moderate. Consider this when planning accommodation — prices track crowd levels closely.