Click on a day for an hourly weather forecast
The temperatures in Martigny in July are quite cold with temperatures between 6°C and 18°C, warm clothes are a must.
There’s going to be many days of rain during the month of July in Martigny.
Martigny 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 Martigny in July 2026.
If you’re planning to visit Martigny in the near future, we highly recommend that you review the 14 day weather forecast for Martigny before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -1° / -12° | 7 | 6 | 18 | 279 mm | Awful | Martigny in January |
| February | 0° / -12° | 8 | 5 | 18 | 207 mm | Awful | Martigny in February |
| March | 2° / -8° | 10 | 7 | 15 | 230 mm | Awful | Martigny in March |
| April | 7° / -4° | 14 | 8 | 8 | 228 mm | Awful | Martigny in April |
| May | 11° / 0° | 20 | 8 | 3 | 408 mm | Awful | Martigny in May |
| June | 16° / 4° | 19 | 11 | 0 | 366 mm | Ok | Martigny in June |
| July | 18° / 6° | 17 | 14 | 0 | 349 mm | Ok | Martigny in July |
| August | 18° / 6° | 15 | 16 | 0 | 308 mm | Ok | Martigny in August |
| September | 15° / 3° | 14 | 16 | 0 | 193 mm | Ok | Martigny in September |
| October | 10° / -1° | 9 | 19 | 3 | 164 mm | Awful | Martigny in October |
| November | 5° / -5° | 9 | 12 | 10 | 233 mm | Awful | Martigny in November |
| December | 0° / -10° | 7 | 9 | 15 | 272 mm | Awful | Martigny in December |