Our verdict
The best time to visit St Moritz is April-July
In summer, temperatures can reach as high as 17℃ (62℉) in the middle of the day. The coldest it usually gets in winter-time in St Moritz is around -20℃ (-3℉).
If you’re a sun-chaser and want to visit St Moritz when the days are longest, you should visit in July. On average it rains the most days in November, making it the wettest month of the year. Although it’s the wet season, it can often rain a little bit during the day or evening but have fine weather for a majority of the day too, so don’t let this put you off.
Learn everything you need to know to help you decide when to go to St Moritz below, and don’t forget to use the awesome travel tools we know and love to help you find the best deals and make booking your vacation a breeze!
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St Moritz seasons
Before you continue, it’s important to know when the seasons are in St Moritz as they might be different to yours depending on where in the world you’re travelling from. St Moritz is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in St Moritz
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in St Moritz for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
St Moritz climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in St Moritz for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
St Moritz in January
- Average temperature: -10℃ (15℉)
- Average high temperature: -5℃ (23℉)
- Average low temperature: -15℃ (5℉)
- Average humidity: 92%
- Average sunny days: 15 days
- Average rainfall: 33mm (1") over 2 days
- Average snow days: 17 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St Moritz in January, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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St Moritz in February
- Average temperature: -9℃ (16℉)
- Average high temperature: -4℃ (24℉)
- Average low temperature: -15℃ (5℉)
- Average humidity: 92%
- Average sunny days: 11 days
- Average rainfall: 38mm (2") over 2 days
- Average snow days: 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St Moritz in February, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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St Moritz in March
- Average temperature: -6℃ (22℉)
- Average high temperature: -2℃ (29℉)
- Average low temperature: -12℃ (11℉)
- Average humidity: 95%
- Average sunny days: 9 days
- Average rainfall: 51mm (2") over 7 days
- Average snow days: 21 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St Moritz in March, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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St Moritz in April
- Average temperature: -2℃ (29℉)
- Average high temperature: 1℃ (34℉)
- Average low temperature: -7℃ (19℉)
- Average humidity: 96%
- Average sunny days: 8 days
- Average rainfall: 82mm (3") over 11 days
- Average snow days: 17 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St Moritz in April, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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St Moritz in May
- Average temperature: 2℃ (36℉)
- Average high temperature: 6℃ (42℉)
- Average low temperature: -3℃ (27℉)
- Average humidity: 93%
- Average sunny days: 6 days
- Average rainfall: 102mm (4") over 18 days
- Average snow days: 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St Moritz in May, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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St Moritz in June
- Average temperature: 8℃ (45℉)
- Average high temperature: 12℃ (53℉)
- Average low temperature: 2℃ (35℉)
- Average humidity: 85%
- Average sunny days: 8 days
- Average rainfall: 91mm (4") over 20 days
- Average snow days: 1 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St Moritz in June, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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St Moritz in July
- Average temperature: 10℃ (49℉)
- Average high temperature: 14℃ (58℉)
- Average low temperature: 4℃ (39℉)
- Average humidity: 82%
- Average sunny days: 6 days
- Average rainfall: 103mm (4") over 23 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St Moritz in July, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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St Moritz in August
- Average temperature: 9℃ (49℉)
- Average high temperature: 14℃ (58℉)
- Average low temperature: 4℃ (39℉)
- Average humidity: 83%
- Average sunny days: 7 days
- Average rainfall: 101mm (4") over 22 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St Moritz in August, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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St Moritz in September
- Average temperature: 5℃ (42℉)
- Average high temperature: 10℃ (50℉)
- Average low temperature: 1℃ (33℉)
- Average humidity: 85%
- Average sunny days: 10 days
- Average rainfall: 69mm (3") over 17 days
- Average snow days: 2 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St Moritz in September, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
St Moritz in October
- Average temperature: 1℃ (34℉)
- Average high temperature: 5℃ (41℉)
- Average low temperature: -4℃ (26℉)
- Average humidity: 87%
- Average sunny days: 14 days
- Average rainfall: 92mm (4") over 11 days
- Average snow days: 7 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St Moritz in October, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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St Moritz in November
- Average temperature: -4℃ (24℉)
- Average high temperature: -1℃ (31℉)
- Average low temperature: -9℃ (16℉)
- Average humidity: 91%
- Average sunny days: 13 days
- Average rainfall: 104mm (4") over 6 days
- Average snow days: 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St Moritz in November, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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St Moritz in December
- Average temperature: -9℃ (16℉)
- Average high temperature: -4℃ (25℉)
- Average low temperature: -14℃ (7℉)
- Average humidity: 89%
- Average sunny days: 17 days
- Average rainfall: 42mm (2") over 2 days
- Average snow days: 15 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St Moritz in December, make sure you pack a thick snow/winter jacket, thermals and some extra layers as it's always very cold.
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