Click on a day for an hourly weather forecast
The weather in Interlaken in May is very cold with temperatures between -1°C and 7°C, warm clothes are a must.
There’s going to be many days of rain during the month of May in Interlaken.
Interlaken 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!
Let it snow! You can expect Interlaken to be covered in white during the month of May. Be sure to bundle up when you venture outside, or take the opportunity to enjoy hot cocoa by the fire for warmth this month.
Our weather forecast can give you a great sense of what weather to expect in Interlaken in May 2025.
If you’re planning to visit Interlaken in the near future, we highly recommend that you review the 14 day weather forecast for Interlaken before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -3° / -12° | 4 | 5 | 22 | 145 mm | Awful | Interlaken in January |
| February | -2° / -12° | 3 | 5 | 21 | 111 mm | Awful | Interlaken in February |
| March | 0° / -9° | 7 | 4 | 23 | 148 mm | Awful | Interlaken in March |
| April | 4° / -5° | 9 | 4 | 20 | 170 mm | Awful | Interlaken in April |
| May | 7° / -1° | 17 | 2 | 15 | 296 mm | Awful | Interlaken in May |
| June | 13° / 3° | 19 | 7 | 4 | 306 mm | Awful | Interlaken in June |
| July | 16° / 6° | 19 | 11 | 1 | 296 mm | Ok | Interlaken in July |
| August | 16° / 6° | 17 | 13 | 1 | 288 mm | Ok | Interlaken in August |
| September | 12° / 3° | 12 | 14 | 5 | 162 mm | Awful | Interlaken in September |
| October | 7° / -2° | 7 | 13 | 11 | 149 mm | Awful | Interlaken in October |
| November | 2° / -6° | 5 | 7 | 19 | 143 mm | Awful | Interlaken in November |
| December | -2° / -11° | 4 | 7 | 21 | 130 mm | Awful | Interlaken in December |