Click on a day for an hourly weather forecast
The temperatures in Witten in May are quite cold with temperatures between 9°C and 18°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Witten 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 Witten in May 2026.
If you’re planning to visit Witten in the near future, we highly recommend that you review the 14 day weather forecast for Witten before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / 0° | 11 | 11 | 10 | 119 mm | Awful | Witten in January |
| February | 6° / 1° | 9 | 11 | 8 | 93 mm | Awful | Witten in February |
| March | 10° / 3° | 9 | 19 | 4 | 84 mm | Awful | Witten in March |
| April | 15° / 6° | 5 | 23 | 2 | 67 mm | Ok | Witten in April |
| May | 18° / 9° | 7 | 24 | 0 | 102 mm | Ok | Witten in May |
| June | 22° / 12° | 6 | 24 | 0 | 106 mm | Good | Witten in June |
| July | 24° / 14° | 7 | 24 | 0 | 132 mm | Good | Witten in July |
| August | 24° / 15° | 6 | 25 | 0 | 117 mm | Perfect | Witten in August |
| September | 20° / 12° | 5 | 25 | 0 | 75 mm | Good | Witten in September |
| October | 14° / 8° | 7 | 24 | 0 | 85 mm | Ok | Witten in October |
| November | 9° / 5° | 7 | 21 | 2 | 88 mm | Awful | Witten in November |
| December | 5° / 2° | 11 | 14 | 7 | 131 mm | Awful | Witten in December |