Zweisimmen Weather in May
May in Zweisimmen sees daytime temperatures around 15°C (59°F) and lows of 3°C (37°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Zweisimmen in May
As part of the rainy season, Zweisimmen sees around 20 days of rain in May, with an average of 192 mm (7.6 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Zweisimmen in May
If you're visiting Zweisimmen in May, expect highs of 15°C (59°F) and overnight lows around 3°C (37°F). Conditions are often most pleasant around the middle of the day. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Zweisimmen 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 Zweisimmen has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Zweisimmen's climate page.
Zweisimmen Temperature in May
Min Temperature
3°C (37°F)
Max Temperature
15°C (59°F)
Chance of Rain
65%
Precipitation
192 mm (7.6 in)
Rainy days
20 days
Humidity
62% *
Sunshine
230 hours *
Percentage Sunshine
56% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Zweisimmen 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 4°C (39°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 for Zweisimmen in May
Browse day-by-day weather records for Zweisimmen spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Zweisimmen historical weather extremes in May
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Zweisimmen.
- The warmest day in May was on May 31, 1979, with a maximum of 29°C (84°F).
- On May 5, 2019, Zweisimmen saw its coldest May day with temperatures maxing out at 0°C (32°F).
- Nighttime temperatures dropped to -15°C (5°F) on May 7, 1997, marking the coldest May night on record.
- Peak precipitation in May occurred on May 1, 2015, when 52 mm (2 in) of precipitation was measured.
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 →
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What to Wear in Zweisimmen 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Zweisimmen in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Switzerland, check out our Zweisimmen's climate page.
Temperature Rainfall Sunshine Humidity
See the full Zweisimmen climate overview or explore weather in Switzerland.
