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The temperatures in Dillenburg in May are quite cold with temperatures between 6°C and 17°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Dillenburg 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.
Please note that Dillenburg can expect a few days of snow in May.
Our weather forecast can give you a great sense of what weather to expect in Dillenburg in May 2026.
If you’re planning to visit Dillenburg in the near future, we highly recommend that you review the 14 day weather forecast for Dillenburg before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -2° | 9 | 5 | 19 | 115 mm | Awful | Dillenburg in January |
| February | 4° / -2° | 7 | 7 | 16 | 88 mm | Awful | Dillenburg in February |
| March | 9° / 0° | 8 | 13 | 10 | 79 mm | Awful | Dillenburg in March |
| April | 14° / 3° | 6 | 20 | 4 | 66 mm | Ok | Dillenburg in April |
| May | 17° / 6° | 7 | 23 | 1 | 109 mm | Ok | Dillenburg in May |
| June | 21° / 10° | 7 | 23 | 0 | 98 mm | Ok | Dillenburg in June |
| July | 23° / 12° | 6 | 25 | 0 | 111 mm | Perfect | Dillenburg in July |
| August | 23° / 12° | 5 | 26 | 0 | 100 mm | Perfect | Dillenburg in August |
| September | 19° / 9° | 5 | 25 | 0 | 69 mm | Good | Dillenburg in September |
| October | 13° / 5° | 7 | 23 | 1 | 78 mm | Bad | Dillenburg in October |
| November | 8° / 2° | 8 | 15 | 6 | 88 mm | Awful | Dillenburg in November |
| December | 4° / -1° | 10 | 7 | 16 | 127 mm | Awful | Dillenburg in December |