Sils Maria Weather & Climate: Best Time to Visit

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

Climate overview of Sils Maria

Sils Maria, Grisons, Switzerland, sees big temperature differences between seasons, with July peaking at 17°C (63°F) and January dropping to -5°C (23°F).

The city receives considerable rain/snowfall, with around 1457 mm (57 in) annually. June is the wettest month. It has mild summers and very cold winters. The sunniest month is July, with 6.7 hours of sunshine per day on average.

Sils Maria Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Sils Maria - and find the best time to visit.

Monthly Temperature in Sils Maria

Visitors to Sils Maria can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a moderate 17°C (63°F) in July to a very cold -5°C (23°F) in the coolest month, January.

Nights vary from 6°C (43°F) in July to around -14°C (7°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Sils Maria

Sils Maria is known for its substantial rain/snowfall, with annual precipitation reaching 1457 mm (57 in). The climate in Sils Maria shows significant variation throughout the year. Expect heavy rainfall in June, the wettest month, with an average of 167 mm (6.6 in) of precipitation over 20 rainy days.

In contrast, the driest month February offers drier and sunnier days, with around 70 mm (2.8 in) of snowfall over 16 snowy days. For more details, please visit our Sils Maria Precipitation page.

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

Sunshine Hours in Sils Maria

For those who appreciate different seasons, Sils Maria serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 6.7 hours of sunshine daily, and embrace the darker days in December, offering only 3.4 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Saint Moritz, Switzerland (10 KM, 6 Miles).

Daily hours of sunshine

Data from: Saint Moritz, Switzerland (10 KM, 6 Miles).

Humidity in Sils Maria by Month

Best Time to Visit Sils Maria

Compared with the rest of the year, the most comfortable conditions in Sils Maria are usually found in June, July and August. Conditions are generally least comfortable in January, February, March, April, May, September, October, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: June, July and August
  • Warmest weather: July and August
  • Most sunshine: July
  • Seasonal pattern: Mild summers and very cold winters
  • Coldest conditions: January, with freezing nights around -14°C (7°F).

Frequently asked questions about the climate in Sils Maria

What is the best time to visit Sils Maria?

June, July and August typically offer the most optimal weather in Sils Maria. In contrast, January, February, March, April, May, September, October, November and December tend to have less optimal conditions. Sils Maria has mild summers and very cold winters.

What temperatures can I expect in Sils Maria?

Daytime highs range from -5°C (23°F) in January to 17°C (63°F) in July. Nighttime lows range from -14°C (7°F) to 6°C (43°F). Temperatures vary considerably through the year.

How much rain does Sils Maria get?

Annual rainfall is around 1457 mm (57 in). June is the wettest month with 167 mm (6.6 in), while February is the driest with 70 mm (2.8 in).

How sunny is Sils Maria?

Sils Maria receives around 1,783 hours of sunshine per year. July is the sunniest month with 200 hours, while December is the cloudiest with just 102 hours.

Sils Maria 3-Day Forecast

Sils Maria on the map

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