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Weather in May in Grisons

Thinking about venturing to Grisons this May and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Grisons in May?

Grisons is a region in Switzerland. May in Grisons generally has temperatures that range from cold to moderate, with precipitation levels ranging from high to heavy.

Temperatures

During the day temperatures vary from cold in Sta Maria Val Müstair at 8°C to moderate in Verdabbio at 16°C. At night it cools down to 6°C in Verdabbio and -1°C in Sta Maria Val Müstair.

Precipitation

In May, precipitation varies across different areas. From high snow/rainfall in Müstair with an average of 102 mm to heavy snow/rainfall in Maienfeld with 194 mm.

Average sunshine

Davos enjoys a balanced 155 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

For a closer look at May's conditions in Grisons, see the map below. For a more detailed look at Grisons's yearly weather, check out our Grisons climate page.

Where to go in Grisons in May

Find more information for the most popular destinations in the Grisons on the map below. Click on a destination dot for more detailes.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in May for the 5 most popular destinations in Grisons?

Davos

In May Davos generally has low temperatures with maximum daytime temperatures around 11°C, minimum nighttime temperatures around 1°C and high monthly rainfall. So on average the conditions are poor that month.

Davos
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
6°C 
-4°C 
153 hours 
116 mm 
19 days 
poor 
11°C 
1°C 
155 hours 
152 mm 
20 days 
poor 
June   >> June
>>  
15°C 
4°C 
168 hours 
181 mm 
20 days 
poor 
Climate in Davos

Arosa

In May Arosa generally has low temperatures with maximum daytime temperatures around 11°C, minimum nighttime temperatures around 1°C and high monthly rainfall. So on average the conditions are poor that month.

Arosa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
7°C 
-3°C 
153 hours 
118 mm 
18 days 
poor 
11°C 
1°C 
155 hours 
152 mm 
19 days 
poor 
June   >> June
>>  
16°C 
5°C 
168 hours 
182 mm 
19 days 
poor 
Climate in Arosa

Silvaplana

In May Silvaplana generally has low temperatures with maximum daytime temperatures around 9°C, minimum nighttime temperatures around 0°C and high monthly rainfall. So on average the conditions are poor that month.

Silvaplana
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
4°C 
-4°C 
152 hours 
116 mm 
19 days 
poor 
9°C 
0°C 
166 hours 
138 mm 
20 days 
poor 
June   >> June
>>  
14°C 
4°C 
188 hours 
165 mm 
20 days 
Climate in Silvaplana

St. Moritz

In May St. Moritz generally has low temperatures with maximum daytime temperatures around 8°C, minimum nighttime temperatures around -1°C and high monthly snow/rainfall. So on average the conditions are poor that month.

St. Moritz
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
3°C 
-5°C 
152 hours 
110 mm 
20 days 
poor 
8°C 
-1°C 
166 hours 
131 mm 
20 days 
poor 
June   >> June
>>  
13°C 
3°C 
188 hours 
160 mm 
20 days 
poor 
Climate in St. Moritz

Samnaun

In May Samnaun generally has low temperatures with maximum daytime temperatures around 10°C, minimum nighttime temperatures around -0°C and high monthly snow/rainfall. So on average the conditions are poor that month.

Samnaun
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
5°C 
-4°C 
106 mm 
19 days 
poor 
10°C 
-0°C 
141 mm 
20 days 
poor 
June   >> June
>>  
14°C 
3°C 
166 mm 
20 days 
Climate in Samnaun

Is your destination not in the list? Have a look at other destinations in Grisons, in Switzerland.

Is May the best time to visit Grisons?

In our opinion, May may not be the ideal time to visit Grisons due to the typically poor weather in Davos.

On average, the best time to visit Grisons is in July and August with generally unpleasant weather in Davos.

Interested in more climate information?

We have much more information about the climate in Grisons. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Switzerland? Get detailed historical weather averages for many cities in Switzerland.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.