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The weather in Zermatt in August is very cold with temperatures between 2°C and 15°C, warm clothes are a must.
There’s going to be many days of rain during the month of August in Zermatt.
Zermatt 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!
Please note that Zermatt can expect a few days of snow in August.
Our weather forecast can give you a great sense of what weather to expect in Zermatt in August 2025.
If you’re planning to visit Zermatt in the near future, we highly recommend that you review the 14 day weather forecast for Zermatt before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -4° / -15° | 4 | 6 | 21 | 111 mm | Awful | Zermatt in January |
| February | -3° / -14° | 3 | 5 | 21 | 112 mm | Awful | Zermatt in February |
| March | -1° / -11° | 7 | 2 | 24 | 143 mm | Awful | Zermatt in March |
| April | 2° / -7° | 11 | 2 | 22 | 234 mm | Awful | Zermatt in April |
| May | 6° / -3° | 19 | 3 | 14 | 319 mm | Awful | Zermatt in May |
| June | 12° / 1° | 22 | 6 | 2 | 306 mm | Awful | Zermatt in June |
| July | 15° / 3° | 21 | 9 | 1 | 328 mm | Ok | Zermatt in July |
| August | 15° / 2° | 20 | 10 | 1 | 292 mm | Ok | Zermatt in August |
| September | 11° / 0° | 13 | 14 | 3 | 170 mm | Awful | Zermatt in September |
| October | 6° / -5° | 9 | 13 | 9 | 175 mm | Awful | Zermatt in October |
| November | 1° / -9° | 5 | 7 | 19 | 227 mm | Awful | Zermatt in November |
| December | -3° / -14° | 4 | 9 | 18 | 101 mm | Awful | Zermatt in December |