Bern Weather in May
Thinking of visiting Bern in May? Expect pleasant temperatures reaching 19°C (66°F) during the day, dropping to 8°C (46°F) at night, and be prepared for the wettest month of the year.
Rainfall in Bern in May
This is the wettest month of the year, so having an umbrella ready is a smart choice. Expect around 18 days of rain based on historical data, with 137 mm (5.4 in) average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Bern in May
May in Bern brings pleasant temperatures, with highs of 19°C (66°F) and nights around 8°C (46°F). The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 8°C (46°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 Bern in May
Enjoy a sunny month with about 195 hours of sunshine, the clear skies make Bern even more beautiful.For Bern itself, June, July, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Bern's climate page.
Bern Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
19°C (66°F)
Chance of Rain
61%
Precipitation
137 mm (5.4 in)
Rainy days
18 days
Humidity
73%
Sunshine
195 hours
Percentage Sunshine
45%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Bern typically rise from around 16°C (61°F) at the start of May to approximately 20°C (68°F) by the end. Nights are cold, with lows typically ranging from 6°C (43°F) to 10°C (50°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 Bern in May
Browse day-by-day weather records for Bern spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bern historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Bern.
- On May 26, 2026, temperatures climbed to 32°C (90°F), marking the warmest May day on record.
- The lowest daytime temperature in May was 5°C (41°F), recorded on May 4, 1991.
- Nighttime temperatures dropped to -3°C (27°F) on May 1, 1989, marking the coldest May night on record.
- The wettest day in May Bern was on May 1, 2015 with 62 mm (2.4 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 →
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What to Wear in Bern in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Bern 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 Bern's climate page.
Temperature Rainfall Sunshine Humidity
See the full Bern climate overview or explore weather in Switzerland.
