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Grimentz Weather in May

In Grimentz, May brings low daytime temperatures around 10°C (50°F), with nights cooling to 0°C (32°F). It is the wettest month of the year, so expect more rainfall than usual.

Rainfall in Grimentz in May

During the wettest month of the year, an umbrella can be your best friend to stay dry. This month experiences about 20 days of rain according to historical data, averaging 145 mm (5.7 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Grimentz in May

Grimentz in May gets highs of 10°C (50°F) during the day and drops to 0°C (32°F) at night. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights drop to 0°C (32°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Grimentz in May

With approximately 230 hours of sunshine, the days are filled with clear skies. Despite it being a cool month, it makes for pleasant days outside.

Wind Speed in Grimentz in May

May sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

May in Grimentz can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Switzerland, check out our Grimentz's climate page.

Grimentz Temperature in May

Min TemperatureMin Temperature 0°C (32°F)  
Max TemperatureMax Temperature 10°C (50°F)  
Chance of RainChance of Rain 66%  
PrecipitationPrecipitation 145 mm (5.7 in)  
Rainy daysRainy days 20 days  
HumidityHumidity 62% *  
WindspeedWindspeed 2 m/s (4 knots) *  
SunshineSunshine 230 hours *  
Percentage SunshinePercentage Sunshine 56% *  
* Data from: Sion, Switzerland (19 KM, 11 Miles).

Best Places in Switzerland in May

Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in May →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Grimentz in May

The weather can swing between comfortable and chilly in May, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Grimentz in May

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
4/10
Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
5/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Switzerland, check out our Grimentz's climate page.

More climate data for Grimentz