Grisons (St. Moritz)
May
Weather in Grisons for May 2027
Your guide to Grisons weather in May - trends and predictions
Grisons typically experiences moderate snowfall in May, with an average of 7 snowy days.
In general, the average temperature in Grisons at the beginning of May is 6.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 11.9 °C by the end of May.
Is May a good time to visit Grisons? check out the best time to travel to Grisons page.
Snow Forecast ❄️
Temperatures
More
14
Dry days
10
Rainy days
7
Snow days
8°/-3°
Temperatures
11 km/h
Avg max wind
84 %
Avg humidity
Grisons Weather May
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What’s the Weather Like in Grisons This May?
Discover the average temperatures and weather trends across Grisons’s cities this May.
Temperatures trend during May in Grisons
See the weather trend as well as the moving average line
May weather in Grisons day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 May |  Moderate or heavy rain with thunder | 10° /-2° | 2.9 mm | 0 cm | |
| 2 May |  Moderate or heavy snow with thunder | 9° /-2° | 5.3 mm | 2.8 cm | |
| 3 May |  Light snow | 8° /-3° | 2 mm | 1.3 cm | |
| 4 May |  Light snow showers | 7° /-3° | 13.8 mm | 0.8 cm | |
| 5 May |  Thundery outbreaks possible | 5° /0° | 14.5 mm | 0.1 cm | |
| 6 May | Moderate or heavy rain with thunder | 4° /0° | 9.8 mm | 0.8 cm | |
| 7 May |  Moderate rain | 3° /-3° | 11.6 mm | 4.3 cm | |
| 8 May | Light snow | 4° /-4° | 2.4 mm | 1.3 cm | |
| 9 May |  Fog | 7° /-5° | 0.9 mm | 0.1 cm | |
| 10 May |  Patchy rain possible | 7° /-5° | 0.5 mm | 0 cm | |
| 11 May |  Light rain | 8° /-3° | 5.6 mm | 0 cm | |
| 12 May |  Patchy light rain with thunder | 6° /-4° | 14.7 mm | 0.4 cm | |
| 13 May | Moderate rain | 4° /-4° | 10.9 mm | 0.1 cm | |
| 14 May | Light rain | 5° /-2° | 3.3 mm | 0.3 cm | |
| 15 May |  Light sleet | 4° /-4° | 9.6 mm | 1.9 cm | |
| 16 May | Moderate or heavy rain with thunder | 4° /-4° | 4.5 mm | 0 cm | |
| 17 May | Moderate or heavy snow with thunder | 5° /-7° | 3.3 mm | 2.3 cm | |
| 18 May | Patchy light rain with thunder | 6° /-6° | 0.6 mm | 0 cm | |
| 19 May | Patchy light rain with thunder | 9° /-4° | 0.4 mm | 0 cm | |
| 20 May | Light rain | 9° /-1° | 4.7 mm | 0 cm | |
| 21 May | Light snow | 8° /-1° | 12.5 mm | 2.3 cm | |
| 22 May |  Moderate snow | 7° /-3° | 14 mm | 5.2 cm | |
| 23 May | Moderate or heavy rain with thunder | 6° /-3° | 3.4 mm | 0.1 cm | |
| 24 May | Moderate or heavy rain with thunder | 9° /-4° | 3.4 mm | 0 cm | |
| 25 May | Patchy light rain with thunder | 10° /-2° | 2.1 mm | 0 cm | |
| 26 May | Patchy light rain with thunder | 12° /0° | 0.8 mm | 0 cm | |
| 27 May | Patchy light rain with thunder | 12° /1° | 1.8 mm | 0 cm | |
| 28 May | Light rain | 12° /-1° | 2.8 mm | 0 cm | |
| 29 May | Thundery outbreaks possible | 13° /-2° | 0.2 mm | 0 cm | |
| 30 May | Moderate or heavy rain with thunder | 13° /0° | 5 mm | 0 cm | |
| 31 May | Light snow showers | 12° /-1° | 16.7 mm | 11 cm | |
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Important Notice
Our weather forecast for Grisons in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Grisons forecast closer to your planned date for the most up-to-date weather information.
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Grisons in May - FAQ
What are the expected maximum and minimum temperatures in Grisons during May?
Prepare for cooler days with highs just around 8° and colder nights, dipping below -3°.
How much rainfall should be expected in Grisons during May?
Significant rainfall exceeding 184.1 mm is expected in Grisons during May, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Grisons in May 2027?
Grisons experiences an average snowfall of 35.3 cm during May, occurring over 7 days.
What are the typical wind conditions in Grisons during May?
The average wind speed in Grisons during May is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
Grisons snow forecast May 2027
Track daily snowfall levels and discover Grisons’s snowy potential this May ❄️
On average, Grisons sees 7 snowy days during May, with approximately 35.3 cm of total snowfall.
May rainfall patterns in Grisons
Explore the daily rainfall trends and prepare for Grisonss May weather 💧
Typically, Grisons has 10 rainy days in May with a total of 184.1 mm of rainfall.
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