Click on a day for an hourly weather forecast
The temperatures in Grevenbroich 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 Grevenbroich 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 Grevenbroich in May 2026.
If you’re planning to visit Grevenbroich in the near future, we highly recommend that you review the 14 day weather forecast for Grevenbroich before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 5° / 1° | 7 | 17 | 7 | 49 mm | Awful | Grevenbroich in January |
| February | 7° / 1° | 6 | 17 | 6 | 40 mm | Bad | Grevenbroich in February |
| March | 11° / 4° | 6 | 23 | 2 | 43 mm | Bad | Grevenbroich in March |
| April | 16° / 7° | 3 | 26 | 1 | 34 mm | Good | Grevenbroich in April |
| May | 18° / 9° | 4 | 27 | 0 | 59 mm | Good | Grevenbroich in May |
| June | 22° / 13° | 4 | 26 | 0 | 63 mm | Good | Grevenbroich in June |
| July | 24° / 15° | 4 | 27 | 0 | 68 mm | Perfect | Grevenbroich in July |
| August | 24° / 15° | 3 | 28 | 0 | 58 mm | Perfect | Grevenbroich in August |
| September | 21° / 12° | 3 | 27 | 0 | 38 mm | Good | Grevenbroich in September |
| October | 15° / 9° | 3 | 27 | 0 | 43 mm | Good | Grevenbroich in October |
| November | 10° / 5° | 6 | 23 | 1 | 41 mm | Ok | Grevenbroich in November |
| December | 6° / 3° | 7 | 20 | 5 | 55 mm | Awful | Grevenbroich in December |