Expect the average daily weather in Leuven all through May is 12. Through the month the highs are about 18 and low being around 9. We have provided a clearer breakdown here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 12 |
| High Temperature | 18 |
| Low Temperature | 9 |
Useful Links: Leuven Weather: Average Weather & Yearly Climate