The weather in Flam in May is very cold with temperatures between 3°C and 13°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Flam. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Please note that Flam can expect a few days of snow in May.
Our weather forecast can give you a great sense of what weather to expect in Flam in May 2025.
If you’re planning to visit Flam in the near future, we highly recommend that you review the 14 day weather forecast for Flam before you arrive.