Click on a day for an hourly weather forecast
The temperatures in Fiss in August are quite cold with temperatures between 6°C and 16°C, warm clothes are a must.
There’s going to be many days of rain during the month of August in Fiss.
Fiss 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!
You can expect a few days of snow in Fiss during August. It’s important to get out your snow boots and warm mittens to stay warm while you explore Fiss.
Our weather forecast can give you a great sense of what weather to expect in Fiss in August 2025.
If you’re planning to visit Fiss in the near future, we highly recommend that you review the 14 day weather forecast for Fiss before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -4° / -13° | 6 | 6 | 21 | 82 mm | Awful | Fiss in January |
| February | -3° / -13° | 6 | 5 | 20 | 68 mm | Awful | Fiss in February |
| March | -1° / -10° | 7 | 4 | 22 | 78 mm | Awful | Fiss in March |
| April | 3° / -5° | 8 | 4 | 21 | 87 mm | Awful | Fiss in April |
| May | 8° / -1° | 14 | 2 | 21 | 153 mm | Awful | Fiss in May |
| June | 13° / 4° | 17 | 6 | 9 | 194 mm | Awful | Fiss in June |
| July | 16° / 5° | 17 | 11 | 4 | 174 mm | Bad | Fiss in July |
| August | 16° / 6° | 15 | 13 | 4 | 201 mm | Bad | Fiss in August |
| September | 12° / 2° | 11 | 11 | 8 | 125 mm | Awful | Fiss in September |
| October | 7° / -2° | 7 | 9 | 15 | 104 mm | Awful | Fiss in October |
| November | 1° / -6° | 5 | 8 | 18 | 86 mm | Awful | Fiss in November |
| December | -3° / -12° | 5 | 7 | 20 | 86 mm | Awful | Fiss in December |