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Lenk Weather in May
May in Lenk averages 13°C (55°F) during the day and 2°C (36°F) at night. May is part of the rainy season, with around 191 mm (7.5 in) of rainfall and frequent showers.
Rainfall in Lenk in May
Lenk is in the rainy season in May, with rain on around 20 days and an average of 191 mm (7.5 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Lenk in May
In May, Lenk gets moderate temperatures, with highs of 13°C (55°F). Nights cool to around 2°C (36°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 2°C (36°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Lenk in May
Enjoy a sunny month with about 230 hours of sunshine, even though this month falls in the wet season. There is still enough sun to enjoy the outdoors.May in Lenk has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Lenk Temperature in May
Min Temperature
2°C (36°F)
Max Temperature
13°C (55°F)
Chance of Rain
66%
Precipitation
191 mm (7.5 in)
Rainy days
20 days
Humidity
62% *
Sunshine
230 hours *
Percentage Sunshine
56% *
* Data from: Sion, Switzerland (27 KM, 17 Miles).
Lenk Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Lenk - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Lenk typically rise from around 13°C (55°F) at the start of May to approximately 17°C (63°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 8°C (46°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Lenk in May
Browse day-by-day weather records for Lenk spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Lenk historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Lenk.
- On May 27, 2026, temperatures climbed to 33°C (91°F), marking the warmest May day on record.
- The coldest May day was on May 5, 2019, with a maximum of -1°C (30°F).
- Lenk registered its coldest May night on May 7, 1997, with temperatures dropping to -15°C (5°F).
- The heaviest May precipitation occurred on May 1, 2015, when 61 mm (2.4 in) of precipitation fell.
Best Places in Switzerland in May
Find out more about the weather in Switzerland and which places have the best travel conditions in this month. See all of Switzerland in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Lenk in May
The weather can swing between comfortable and chilly in May, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Lenk in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming4/10 -
Cycling5/10 -
Walking5/10 -
Camping3/10
Lenk 3-Day Forecast
More climate data for Lenk
Temperature Rainfall Sunshine Humidity
See the full Lenk climate overview or explore weather in Switzerland.
Popular in May
Where to go in May - average daytime high across popular destinations.
Zürich
20°C (68°F) Crans-Montana
12°C (54°F) Engelberg12°C (54°F) Nendaz12°C (54°F) Davos11°C (52°F) Saas-Fee9°C (48°F) Grindelwald10°C (50°F) Zermatt7°C (45°F) Bucket list
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The 5 most scenic train journeys in Switzerland
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