Click on a day for an hourly weather forecast
The temperatures in Montreux in August are usually low and can range between 10°C and 19°C.
You can expect rain for roughly half of the month of August in Montreux. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Montreux in August 2025.
If you’re planning to visit Montreux in the near future, we highly recommend that you review the 14 day weather forecast for Montreux before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -7° | 6 | 6 | 19 | 136 mm | Awful | Montreux in January |
| February | 1° / -6° | 6 | 7 | 17 | 102 mm | Awful | Montreux in February |
| March | 4° / -3° | 6 | 9 | 16 | 112 mm | Awful | Montreux in March |
| April | 9° / 1° | 8 | 12 | 10 | 102 mm | Awful | Montreux in April |
| May | 12° / 4° | 12 | 13 | 6 | 174 mm | Awful | Montreux in May |
| June | 17° / 8° | 13 | 17 | 0 | 163 mm | Ok | Montreux in June |
| July | 19° / 10° | 12 | 19 | 0 | 151 mm | Ok | Montreux in July |
| August | 19° / 10° | 9 | 22 | 0 | 131 mm | Ok | Montreux in August |
| September | 16° / 7° | 7 | 22 | 1 | 95 mm | Ok | Montreux in September |
| October | 11° / 4° | 5 | 21 | 5 | 80 mm | Bad | Montreux in October |
| November | 6° / 0° | 6 | 12 | 12 | 115 mm | Awful | Montreux in November |
| December | 2° / -4° | 5 | 9 | 17 | 144 mm | Awful | Montreux in December |