Late spring · Weather & things to do
Interlaken in May
Interlaken warms up: highs climb to 65°F (18°C), from 56°F in April, with lows of 50°F (10°C) and about 6.1 in (154 mm) of rain.
It scores 72/100 for comfort, 3rd of 12, which makes it a solid shoulder-season month.
- Avg high
- 65°F (18°C)
- Avg low
- 50°F (10°C)
- Rain
- 6.1 in (154 mm)
- Humidity
- 81%
- Cloud cover
- 73%
- Daylight
- ~14 h 49 min
- Comfort score
- 72/100 · Good
What May feels like
Days are mild at around 65°F (18°C): comfortable for walking all day, with a layer for the evening.
Lows average 50°F (10°C).
Rain is a real factor, with about 6.1 in (154 mm) across the month.
Plan around May
May is shoulder season: good weather, a step below the best months (September).
- The year's biggest warm-up: highs jump 5°C (10°F) from April.
- Comfort improves from 65/100 in April to 72/100.
- May sits inside the May – Oct window our Swiss Lakes by Rail route recommends.
What to pack for May
- A warm layer for eveningslows near 50°F
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost picks involve some walking
What to do in Interlaken in May
With 6.1 in of rain, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.
Giessbach Falls
Waterfalls dropping in 14 tiers, reached by boat and historic funicular.
Why now Our curated notes say it's best May–Oct.
Rugenbräu
Local brewery in Matten bei Interlaken with tours and a shop.
Why now A sit-down stop to wait out showers in a month with 6.1 in of rain.
Trümmelbach Falls
Glacial falls thundering inside the mountain, reached by a tunnel lift.
Why now Our curated notes say it's best Apr–Nov.
Harder Kulm Panorama Restaurant
Restaurant at the top of the Harder Kulm funicular with lake and Jungfrau views.
Restaurant Schuh
Classic Swiss restaurant and confectioner on the Höhematte park.
Nearby in May
- Lucerne in May~33 mi · highs 66°F, 5.9 in rain · similar daytime temperatures, about as wet
- Andermatt in May~34 mi · highs 50°F, 6.4 in rain · 8°C (15°F) cooler by day, about as wet
- Zermatt in May~47 mi · highs 54°F, 4.3 in rain · 6°C (11°F) cooler by day, drier
- Zurich in May~57 mi · highs 66°F, 5.6 in rain · similar daytime temperatures, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~1,854 m to Interlaken's ~569 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Interlaken in May: quick answers
Is May a good time to visit Interlaken?
It's a good shoulder-season choice, scoring 72/100 against a best of 82 in September. Expect highs of 65°F (18°C) and 6.1 in (154 mm) of rain. May is inside the May – Oct window our Swiss Lakes by Rail route recommends.
How hot is Interlaken in May?
Average highs are 65°F (18°C) and average lows 50°F (10°C), making it the 5th-warmest month by daytime highs.
Does it rain a lot in Interlaken in May?
Yes: about 6.1 in (154 mm) of rain falls across May on average, the 2nd-wettest month of the year. The annual total is about 54.3 in (1379 mm).
What should I pack for Interlaken in May?
Bring a warm layer for evenings (lows near 50°F), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most picks involve some walking).
More on Interlaken
Routes in season in May
- Swiss Lakes by Rail May – Oct
Planning Interlaken in May?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.