Click on a day for an hourly weather forecast
The temperatures in Wetzlar in May are quite cold with temperatures between 6°C and 18°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Wetzlar during the month of May. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Wetzlar in May 2026.
If you’re planning to visit Wetzlar in the near future, we highly recommend that you review the 14 day weather forecast for Wetzlar before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -2° | 9 | 10 | 12 | 81 mm | Awful | Wetzlar in January |
| February | 5° / -1° | 7 | 13 | 8 | 65 mm | Awful | Wetzlar in February |
| March | 10° / 1° | 7 | 21 | 4 | 54 mm | Awful | Wetzlar in March |
| April | 15° / 4° | 5 | 24 | 1 | 53 mm | Good | Wetzlar in April |
| May | 18° / 6° | 7 | 24 | 0 | 102 mm | Ok | Wetzlar in May |
| June | 22° / 10° | 7 | 23 | 0 | 98 mm | Ok | Wetzlar in June |
| July | 24° / 12° | 6 | 25 | 0 | 111 mm | Perfect | Wetzlar in July |
| August | 24° / 12° | 6 | 25 | 0 | 98 mm | Perfect | Wetzlar in August |
| September | 20° / 9° | 4 | 26 | 0 | 65 mm | Good | Wetzlar in September |
| October | 13° / 5° | 6 | 25 | 0 | 71 mm | Ok | Wetzlar in October |
| November | 8° / 2° | 7 | 20 | 3 | 72 mm | Awful | Wetzlar in November |
| December | 4° / 0° | 10 | 13 | 9 | 97 mm | Awful | Wetzlar in December |