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Best time to visit · Switzerland
July & August are the best time to visit St. Moritz on the climate data: July scores 78/100, with highs around 64°F (18°C) and 5.1 in (129 mm) of rain. June and September are good shoulder-season months. The toughest months are April and November & December, mainly because of cool days.
Highs run from 26°F to 64°F across the year, and the yearly total is about 44.5 in (1131 mm) of rain and snow.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 26°F-4°C | 27°F-3°C | 33°F1°C | 42°F6°C | 52°F11°C | 61°F16°C | 64°F18°C | 63°F17°C | 56°F13°C | 48°F9°C | 36°F2°C | 28°F-2°C |
| Avg low | 9°F-13°C | 9°F-13°C | 17°F-8°C | 27°F-3°C | 35°F2°C | 43°F6°C | 46°F8°C | 46°F8°C | 39°F4°C | 32°F0°C | 23°F-5°C | 12°F-11°C |
| Rain/snow | 2.2 in55 mm | 1.9 in47 mm | 2.4 in61 mm | 3.2 in81 mm | 4.7 in120 mm | 5.1 in129 mm | 5.1 in129 mm | 5.7 in144 mm | 3.9 in99 mm | 3.9 in99 mm | 4.0 in102 mm | 2.6 in65 mm |
| Humidity | 87% | 89% | 90% | 84% | 80% | 77% | 77% | 79% | 81% | 83% | 87% | 87% |
| Cloud | 74% | 74% | 73% | 74% | 77% | 71% | 64% | 64% | 65% | 68% | 73% | 74% |
| Comfort | 44 | 45 | 43 | 43 | 54 | 70 | 78 | 74 | 68 | 52 | 38 | 42 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. Temperatures were adjusted from the grid cell's ~2,144 m (7,034 ft) to St. Moritz's ~1,830 m (6,004 ft) elevation using the standard lapse rate of 6.5°C per 1,000 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs of 26–28°F (-4–-2°C) and lows down to 9°F (-13°C). It's the driest season, with only about 6.6 in (167 mm) of rain or snow, 15% of the year's total. December – February are cold enough for snow. It holds the toughest stretch on our comfort score (December), averaging 44/100.
Temperatures climb through the season, from 33°F highs in March to 52°F by May. About 10.3 in (262 mm) of rain or snow falls across these months, 23% of the year's total. March & April are cold enough for snow. Comfort scores bottom out in April; the season averages 47/100.
Peak warmth: highs of 61–64°F (16–18°C). It's the wettest season, with about 15.8 in (402 mm) of rain, 36% of the year's total. Lows bottom out around 43°F (6°C). July & August are among the best-scoring months (season average 74/100).
Temperatures slide from 56°F highs in September to 36°F by November. About 11.8 in (300 mm) of rain or snow falls across these months, 27% of the year's total. November is cold enough for snow. Comfort scores bottom out in November; the season averages 53/100.
By comfort score: 1 Great, 3 Good, 3 Fair and 5 Tough. Great months: July. Tap a month for its own guide.
July & August are the best time to visit St. Moritz on the climate data: July scores 78/100, with highs around 64°F (18°C) and 5.1 in (129 mm) of rain. June and September are good shoulder-season months. The toughest months are April and November & December, mainly because of cool days.
August is the wettest month, averaging about 5.7 in (144 mm) of rain. February is the driest, with about 1.9 in (47 mm). The yearly total is around 44.5 in (1131 mm).
January is the coldest, with average lows of 9°F (-13°C) and highs of 26°F (-4°C). The warmest is July, with average highs of 64°F (18°C).
Not very: summer (June – August) humidity averages 78%, and highs peak around 64°F (18°C), so it rarely feels sticky.
On average, yes: lows fall below 32°F (0°C) in November – April, bottoming out around 9°F (-13°C) in January.
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