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The temperatures in Aschaffenburg in May are quite cold with temperatures between 8°C and 18°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Aschaffenburg. 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 Aschaffenburg in May 2026.
If you’re planning to visit Aschaffenburg in the near future, we highly recommend that you review the 14 day weather forecast for Aschaffenburg before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -2° | 9 | 8 | 15 | 105 mm | Awful | Aschaffenburg in January |
| February | 5° / -1° | 7 | 10 | 11 | 80 mm | Awful | Aschaffenburg in February |
| March | 10° / 2° | 8 | 17 | 7 | 78 mm | Awful | Aschaffenburg in March |
| April | 15° / 5° | 6 | 21 | 3 | 61 mm | Ok | Aschaffenburg in April |
| May | 18° / 8° | 9 | 22 | 0 | 140 mm | Ok | Aschaffenburg in May |
| June | 22° / 11° | 8 | 22 | 0 | 138 mm | Ok | Aschaffenburg in June |
| July | 25° / 13° | 7 | 24 | 0 | 133 mm | Good | Aschaffenburg in July |
| August | 24° / 14° | 6 | 25 | 0 | 106 mm | Perfect | Aschaffenburg in August |
| September | 20° / 10° | 4 | 26 | 0 | 77 mm | Good | Aschaffenburg in September |
| October | 14° / 6° | 6 | 24 | 0 | 85 mm | Good | Aschaffenburg in October |
| November | 8° / 3° | 8 | 18 | 4 | 88 mm | Awful | Aschaffenburg in November |
| December | 4° / 0° | 11 | 10 | 11 | 124 mm | Awful | Aschaffenburg in December |