You should expect the average temperature in Passau through July is 16. High temperatures are around 22 and typical average low being around 12 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 16 |
| High Temperature | 22 |
| Low Temperature | 12 |
| Sunshine Per Day | 9 |
Useful Links: Passau Weather: Average Weather & Yearly Climate