St. Moritz weather in May
“Cool and moody. Best paired with warm rooms and long lunches.”
Roughly 15 rainy days across the month, on average.
In may, St. Moritz settles into its cold, contemplative stillness. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.
Days average around 8°C (47°F), cooling to 1°C after sunset. Expect meaningful rain — some 15 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 May
- •A properly warm coat — not a fashion piece
- •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 May
- →Lightweight fleeceAmazon · shop this
- →Merino travel socksAmazon · shop this
- →Packable rain jacketAmazon · shop this
- →Compact travel umbrellaAmazon · shop this
- →Waterproof dry bagAmazon · shop this
- →Reef-safe sunscreen SPF 50Amazon · shop this
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St. Moritz in May — FAQ
Q01Should I visit St. Moritz in May?
Should I visit St. Moritz in May?
It is a fair time to visit — expect variable conditions and plan flexibility. In May, St. Moritz averages a high of 8°C (47°F) and a low of 1°C (33°F), with 106mm of rainfall across roughly 15 rainy days.
Q02What temperatures should I expect in St. Moritz during May?
What temperatures should I expect in St. Moritz during May?
The average high temperature in St. Moritz during May is 8°C (47°F), with an average low of 1°C (33°F). These figures are averaged from 11 complete years of daily records (2015–2025, Open-Meteo Archive).
Q03Is May a rainy month in St. Moritz?
Is May a rainy month in St. Moritz?
St. Moritz averages approximately 15 rainy days in May, with a total monthly rainfall of about 106mm. 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 May?
How should I dress for St. Moritz in May?
For St. Moritz in May, pack a warm winter coat, 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 May a busy travel month for St. Moritz?
Is May a busy travel month for St. Moritz?
Tourist crowds in St. Moritz during May are typically moderate. Consider this when planning accommodation — prices track crowd levels closely.