The 5 most scenic train journeys in Switzerland
Explore Switzerland's top 5 train journeys, featuring breathtaking Alpine views and engineering marvels like the Glacier Express and Bernina Express.
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.
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.
Pick a month to see the average temperature, rainfall and sunshine in Bern - and find the best time to visit.
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).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
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.
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Bern.
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 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).
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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Bern climate overview or explore weather in Switzerland.
Where to go in May - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
The 5 most scenic train journeys in Switzerland
Explore Switzerland's top 5 train journeys, featuring breathtaking Alpine views and engineering marvels like the Glacier Express and Bernina Express.
You'll love this Mountain roller coaster
Hotel Oeschinensee’s mountain coaster is a summer toboggan that you want to add to your bucket list. You'll get in your cart, sit down and fly across the track while enjoying the beautiful mountain scenery around you.
The Verzasca Valley
You can visit the Verzasca Valley in any season. It's an amazing place for swimming and it is a paradise for hikers. A must see for the bucket list.
Balloon at Chateau D'oex
If you are looking for a special place to visit in Europe in January we recommend visiting the annual balloon festival in Château-d'Oex, Switzerland.