Susten Weather & Climate: Best Time to Visit

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

Climate overview of Susten

Susten, Canton of Valais, Switzerland, experiences significant temperature variation throughout the year. Summers bring daytime highs of 18°C (64°F) in July, while winters cool to -5°C (23°F) in January.

Rain/snowfall is high, totalling around 1566 mm (62 in) per year. June is the wettest month and March the driest. The sunniest month is July, with 9.0 hours of sunshine per day on average.

Susten Weather by Month

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

Monthly Temperature in Susten

Depending on the time of the year, temperatures range from moderate to very cold in Susten. Average maximum daytime temperatures range from a moderate 18°C (64°F) in July, the warmest time of the year, to a very cold -5°C (23°F) during cooler months like January.

At night, you can expect temperatures ranging from 7°C (45°F) in July to around -13°C (9°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Susten

Susten has a relatively rain/snowy climate with high precipitation levels, averaging 1566 mm (62 in) of rain/snowfall annually. Year-round, Susten has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 151 mm (5.9 in), and the driest month, March, with 112 mm (4.4 in), is minimal. For more details, please visit our Susten Precipitation page.

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

Sunshine Hours in Susten

Seasonal changes in sunshine hours are quite dramatic in Susten. While July receives considerable daily sunshine with up to 9.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.3 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Sion, Switzerland (25 KM, 15 Miles).

Daily hours of sunshine

Data from: Sion, Switzerland (25 KM, 15 Miles).

Humidity in Susten by Month

Best Time to Visit Susten

During the months of July and August, Susten enjoys pleasant weather with average temperatures ranging from 18°C (64°F) to 18°C (64°F). These months are perfect for sightseeing and exploring.

Rainfall during this time ranges from 135 mm (5.3 in) in August to 146 mm (5.7 in) in July. This means you can expect a mix of sunny days and occasional showers.

Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

Frequently asked questions about the climate in Susten

What is the best time to visit Susten?

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

What temperatures can I expect in Susten?

Daytime highs range from -5°C (23°F) in January to 18°C (64°F) in July. Nighttime lows range from -13°C (9°F) to 7°C (45°F). Temperatures vary considerably through the year.

How much rain does Susten get?

Annual rainfall is around 1566 mm (62 in). June is the wettest month with 151 mm (5.9 in), while March is the driest with 112 mm (4.4 in).

How sunny is Susten?

Susten 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, Susten enjoys abundant sunshine.

Susten 3-Day Forecast

Susten 3-Day Forecast

Susten on the map

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

Popular this month

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

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.