Click on a day for an hourly weather forecast
The weather in Thun in May is very cold with temperatures between 3°C and 14°C, warm clothes are a must.
There’s going to be many days of rain during the month of May in Thun.
Thun 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!
Our weather forecast can give you a great sense of what weather to expect in Thun in May 2025.
If you’re planning to visit Thun in the near future, we highly recommend that you review the 14 day weather forecast for Thun before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -8° | 9 | 9 | 13 | 184 mm | Awful | Thun in January |
| February | 3° / -6° | 9 | 8 | 13 | 133 mm | Awful | Thun in February |
| March | 7° / -4° | 9 | 14 | 8 | 146 mm | Awful | Thun in March |
| April | 11° / 0° | 11 | 17 | 3 | 153 mm | Awful | Thun in April |
| May | 14° / 3° | 16 | 15 | 0 | 272 mm | Ok | Thun in May |
| June | 18° / 6° | 16 | 14 | 0 | 253 mm | Ok | Thun in June |
| July | 20° / 8° | 14 | 17 | 0 | 246 mm | Ok | Thun in July |
| August | 21° / 7° | 12 | 19 | 0 | 220 mm | Ok | Thun in August |
| September | 17° / 5° | 8 | 22 | 0 | 131 mm | Ok | Thun in September |
| October | 12° / 1° | 7 | 24 | 1 | 146 mm | Bad | Thun in October |
| November | 7° / -3° | 8 | 17 | 5 | 164 mm | Awful | Thun in November |
| December | 3° / -7° | 9 | 12 | 11 | 190 mm | Awful | Thun in December |