Leuk Weather & Climate: Best Time to Visit

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

Climate overview of Leuk

The climate in Leuk, Canton of Valais, Switzerland, is marked by large temperature swings across the seasons, ranging from 18°C (64°F) in July to -4°C (25°F) in January.

Rain/snowfall is high, totalling around 1583 mm (62 in) per year. June is the wettest month and March the driest. The city also experiences mild summers and very cold winters. The most sunshine falls in July, with an average of 9.0 hours of daily sunshine.

Leuk Weather by Month

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

Monthly Temperature in Leuk

In Leuk, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a moderate 18°C (64°F) in July, the warmest time of the year, to a very cold -4°C (25°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 Leuk

Leuk experiences significant rain/snowfall throughout the year, averaging 1583 mm (62 in) of precipitation annually. Year-round, Leuk has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 154 mm (6.1 in), and the driest month, March, with 114 mm (4.5 in), is minimal. For more details, please visit our Leuk Precipitation page.

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

Sunshine Hours in Leuk

Seasonal changes in sunshine hours are quite dramatic in Leuk. 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 Leuk by Month

Best Time to Visit Leuk

The most favourable weather available in Leuk usually occurs in July and August. Conditions are generally most challenging in January, February, March, April, May, 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: 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 -13°C (9°F).

Frequently asked questions about the climate in Leuk

What is the best time to visit Leuk?

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

What temperatures can I expect in Leuk?

Daytime highs range from -4°C (25°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 Leuk get?

Annual rainfall is around 1583 mm (62 in). June is the wettest month with 154 mm (6.1 in), while March is the driest with 114 mm (4.5 in).

How sunny is Leuk?

Leuk 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, Leuk enjoys abundant sunshine.

Leuk 3-Day Forecast

Leuk on the map

Leuk is highlighted - select any city to see its climate.

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