Click on a day for an hourly weather forecast
The temperatures in Schmallenberg in August are usually low and can range between 12°C and 20°C.
You can expect rain for roughly half of the month of August in Schmallenberg. 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 Schmallenberg in August 2026.
If you’re planning to visit Schmallenberg in the near future, we highly recommend that you review the 14 day weather forecast for Schmallenberg before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -3° | 15 | 10 | 6 | 93 mm | Awful | Schmallenberg in January |
| February | 3° / -3° | 11 | 12 | 5 | 74 mm | Awful | Schmallenberg in February |
| March | 6° / 0° | 10 | 18 | 4 | 64 mm | Awful | Schmallenberg in March |
| April | 11° / 3° | 9 | 20 | 1 | 61 mm | Bad | Schmallenberg in April |
| May | 14° / 6° | 11 | 20 | 0 | 85 mm | Ok | Schmallenberg in May |
| June | 19° / 10° | 10 | 20 | 0 | 91 mm | Ok | Schmallenberg in June |
| July | 20° / 12° | 10 | 21 | 0 | 96 mm | Ok | Schmallenberg in July |
| August | 20° / 12° | 11 | 20 | 0 | 98 mm | Ok | Schmallenberg in August |
| September | 16° / 9° | 8 | 22 | 0 | 71 mm | Ok | Schmallenberg in September |
| October | 12° / 6° | 9 | 22 | 0 | 72 mm | Bad | Schmallenberg in October |
| November | 7° / 2° | 10 | 19 | 1 | 74 mm | Bad | Schmallenberg in November |
| December | 3° / -1° | 15 | 11 | 7 | 102 mm | Awful | Schmallenberg in December |