Sils Maria Weather & Climate: Best Time to Visit

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. The sunniest month is July, with 6.7 hours of sunshine per day on average.

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

The average number of days each month with precipitation

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).

Daily percentage of sunshine

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

Humidity in Sils Maria by Month

The relative humidity is high throughout the year in Sils Maria.

The city experiences its highest humidity in December, reaching 80%. In April, the humidity drops to its lowest level at 68%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

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

Sils Maria 3-Day Forecast

10-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Sils Maria

During July and August, Sils Maria experiences its most favorable weather, with temperatures between 16°C (62°F) and 17°C (62°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 157 mm (6.2 in) and 157 mm (6.2 in).

Plan accordingly for June, when conditions bring the heaviest precipitation.

Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.