Click on a day for an hourly weather forecast
The temperatures in Passau in May are quite cold with temperatures between 6°C and 18°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Passau. 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 Passau in May 2025.
If you’re planning to visit Passau in the near future, we highly recommend that you review the 14 day weather forecast for Passau before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -4° | 9 | 8 | 15 | 85 mm | Awful | Passau in January |
| February | 3° / -4° | 7 | 11 | 11 | 72 mm | Awful | Passau in February |
| March | 9° / 0° | 7 | 18 | 6 | 72 mm | Awful | Passau in March |
| April | 15° / 2° | 6 | 23 | 2 | 55 mm | Ok | Passau in April |
| May | 18° / 6° | 10 | 21 | 0 | 138 mm | Ok | Passau in May |
| June | 22° / 9° | 8 | 22 | 0 | 151 mm | Ok | Passau in June |
| July | 24° / 11° | 8 | 23 | 0 | 144 mm | Good | Passau in July |
| August | 24° / 11° | 7 | 24 | 0 | 109 mm | Good | Passau in August |
| September | 20° / 8° | 5 | 25 | 0 | 80 mm | Good | Passau in September |
| October | 14° / 4° | 5 | 25 | 1 | 65 mm | Good | Passau in October |
| November | 9° / 1° | 6 | 20 | 4 | 58 mm | Bad | Passau in November |
| December | 3° / -2° | 8 | 12 | 11 | 79 mm | Awful | Passau in December |