Click on a day for an hourly weather forecast
The temperatures in Iserlohn in July are comfortable with low of 13°C and and high up to 22°C.
You can expect rain for roughly half of the month of July in Iserlohn. 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 Iserlohn in July 2026.
If you’re planning to visit Iserlohn in the near future, we highly recommend that you review the 14 day weather forecast for Iserlohn before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -1° | 9 | 7 | 16 | 123 mm | Awful | Iserlohn in January |
| February | 5° / -1° | 8 | 8 | 13 | 90 mm | Awful | Iserlohn in February |
| March | 9° / 2° | 8 | 15 | 9 | 85 mm | Awful | Iserlohn in March |
| April | 13° / 5° | 6 | 21 | 3 | 64 mm | Bad | Iserlohn in April |
| May | 16° / 8° | 7 | 23 | 1 | 98 mm | Ok | Iserlohn in May |
| June | 20° / 11° | 7 | 23 | 0 | 109 mm | Ok | Iserlohn in June |
| July | 22° / 13° | 8 | 23 | 0 | 135 mm | Ok | Iserlohn in July |
| August | 22° / 14° | 6 | 25 | 0 | 111 mm | Good | Iserlohn in August |
| September | 19° / 11° | 5 | 25 | 0 | 75 mm | Good | Iserlohn in September |
| October | 13° / 7° | 7 | 23 | 1 | 85 mm | Bad | Iserlohn in October |
| November | 8° / 3° | 8 | 17 | 5 | 93 mm | Awful | Iserlohn in November |
| December | 4° / 0° | 10 | 10 | 12 | 128 mm | Awful | Iserlohn in December |