Normally the weather in Leuven through the month of June is 15. High average temperature is 21 and typical average low being around 12 celsius. We have put some more information here:
| Month | Degrees Celsius |
|---|---|
| Temperature | 15 |
| High Temperature | 21 |
| Low Temperature | 12 |
Useful Links: Leuven Weather: Average Weather & Yearly Climate