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Wengen Weather in May
Wengen in May sees low daytime temperatures of 10°C (50°F) and nighttime lows of 1°C (34°F). As part of the rainy season, showers are frequent and often heavy. Budget around 179 mm (7 in) of rainfall for the month.
Rainfall in Wengen in May
As part of the rainy season, Wengen sees around 20 days of rain in May, with an average of 179 mm (7 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Wengen in May
In May, expect low temperatures in Wengen, with highs of 10°C (50°F) and lows of 1°C (34°F) at night. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Wengen in May
The area enjoys a balanced 183 hours of sunlight, ensuring it's neither too rainy nor too sunny.If you're interested in exploring other destinations, our weather planner can help you discover additional travel options worldwide.
Wengen Temperature in May
Min Temperature
1°C (34°F)
Max Temperature
10°C (50°F)
Chance of Rain
67%
Precipitation
179 mm (7 in)
Rainy days
20 days
Humidity
72% *
Sunshine
183 hours *
Percentage Sunshine
43% *
* Data from: Interlaken, Switzerland (7 KM, 4 Miles).
Wengen Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Wengen - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Wengen typically rise from around 14°C (57°F) at the start of May to approximately 18°C (64°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 7°C (45°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 Wengen in May
Browse day-by-day weather records for Wengen spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Wengen historical weather extremes in May
Our historical data for Wengen spans 1976 to 2026, revealing these weather extremes.
- The coldest May day was on May 2, 1976, with a maximum of 1°C (34°F).
- The wettest day in May Wengen was on May 28, 2007 with 67 mm (2.6 in) of precipitation.
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 Wengen 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Wengen in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling5/10 -
Walking5/10 -
Camping3/10 -
Outdoor sports5/10
Wengen 3-Day Forecast
More climate data for Wengen
Temperature Rainfall Sunshine Humidity
See the full Wengen 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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