Grimisuat Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Grimisuat.

Climate overview of Grimisuat

Grimisuat, Canton of Valais, Switzerland, experiences significant temperature variation throughout the year. Summers bring daytime highs of 19°C (66°F) in July, while winters cool to -3°C (27°F) in January.

The city receives considerable rain/snowfall, with around 1630 mm (64 in) annually. June is the wettest month. July is the sunniest month, averaging 9.0 hours of sunshine per day.

Grimisuat Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Grimisuat — and find the best time to visit.

Monthly Temperature in Grimisuat

Depending on the time of the year, temperatures range from pleasant to very cold in Grimisuat. Typically, average maximum daytime temperatures range from a pleasant 19°C (66°F) in July to a very cold -3°C (27°F) in the coolest month, January.

Nights vary from 8°C (46°F) in July to around -13°C (9°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Grimisuat

Grimisuat has a relatively rain/snowy climate with high precipitation levels, averaging 1630 mm (64 in) of rain/snowfall annually. Precipitation levels in Grimisuat remain relatively steady throughout the year. June has the most rain, with 165 mm (6.5 in) over 18 days. In the driest month October, this drops slightly to 113 mm (4.4 in), making the city's climate fairly predictable. For more details, please visit our Grimisuat Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Grimisuat

For those who appreciate different seasons, Grimisuat serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.0 hours of sunshine daily, and embrace the darker days in December, offering only 2.3 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Sion, Switzerland (6 KM, 3 Miles).

Daily hours of sunshine

Data from: Sion, Switzerland (6 KM, 3 Miles).

Humidity in Grimisuat by Month

Wind Speed in Grimisuat

Best Time to Visit Grimisuat

During August, Grimisuat enjoys pleasant weather with comfortable temperatures of 19°C (66°F). This month is perfect for sightseeing and exploring.

Rainfall during this time is 150 mm (5.9 in), providing good conditions for being out and about.

The rainy season falls during May, June and July, bringing heavy precipitation.

Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.

Frequently asked questions about the climate in Grimisuat

What is the best time to visit Grimisuat?

July and August typically offer the most optimal weather in Grimisuat. In contrast, January, February, March, April, May, October, November and December tend to have less optimal conditions.

What temperatures can I expect in Grimisuat?

Daytime highs range from -3°C (27°F) in January to 19°C (66°F) in July. Nighttime lows range from -13°C (9°F) to 8°C (46°F). Temperatures vary considerably through the year.

How much rain does Grimisuat get?

Annual rainfall is around 1630 mm (64 in). June is the wettest month with 165 mm (6.5 in), while October is the driest with 113 mm (4.4 in).

How sunny is Grimisuat?

Grimisuat receives around 2,171 hours of sunshine per year. July is the sunniest month with 270 hours, while December is the cloudiest with just 70 hours. Overall, Grimisuat enjoys abundant sunshine.

Grimisuat 3-Day Forecast

Grimisuat 3-Day Forecast

Grimisuat on the map

Grimisuat is highlighted — select any city to see its climate.

Popular this month

Where to go in July — average daytime high across popular destinations.

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