The weather in Wengen in May is very cold with temperatures between -2°C and 9°C, warm clothes are a must.
There’s going to be many days of rain during the month of May in Wengen.
Wengen should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
You can expect a few days of snow in Wengen during May. It’s important to get out your snow boots and warm mittens to stay warm while you explore Wengen.
Our weather forecast can give you a great sense of what weather to expect in Wengen in May 2026.
If you’re planning to visit Wengen in the near future, we highly recommend that you review the 14 day weather forecast for Wengen before you arrive.
Temperatures
9° / -2°
Rainy Days
18
Snowy Days
7
Dry Days
6
Rainfall
241
mm
Sun Hours
8.0
Hrs
