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The weather in Graubunden in May is very cold with temperatures between -1°C and 11°C, warm clothes are a must.
There’s going to be many days of rain during the month of May in Graubunden.
Graubunden 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!
Graubunden is going to experience quite a number of days of snow during May. It’s the perfect time to build snowmen, drink hot cocoa, and have a snowball fight. Just remember to wear a warm scarf and a pair of mittens!
Our weather forecast can give you a great sense of what weather to expect in Graubunden in May 2025.
If you’re planning to visit Graubunden in the near future, we highly recommend that you review the 14 day weather forecast for Graubunden before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -13° | 6 | 5 | 21 | 119 mm | Awful | Graubunden in January |
| February | -1° / -13° | 5 | 5 | 20 | 84 mm | Awful | Graubunden in February |
| March | 2° / -9° | 8 | 5 | 20 | 97 mm | Awful | Graubunden in March |
| April | 7° / -5° | 10 | 5 | 15 | 114 mm | Awful | Graubunden in April |
| May | 11° / -1° | 17 | 6 | 9 | 166 mm | Awful | Graubunden in May |
| June | 16° / 3° | 16 | 13 | 1 | 199 mm | Ok | Graubunden in June |
| July | 18° / 5° | 16 | 15 | 0 | 176 mm | Ok | Graubunden in July |
| August | 18° / 5° | 14 | 17 | 0 | 194 mm | Ok | Graubunden in August |
| September | 15° / 2° | 10 | 18 | 2 | 115 mm | Bad | Graubunden in September |
| October | 9° / -2° | 6 | 17 | 8 | 111 mm | Bad | Graubunden in October |
| November | 4° / -6° | 6 | 10 | 15 | 113 mm | Awful | Graubunden in November |
| December | -1° / -11° | 5 | 7 | 20 | 115 mm | Awful | Graubunden in December |