Neerslag — 2020
| Month | Valkenburg aan de Geul | Meerssen | Difference |
|---|---|---|---|
| Jan | 44.1 mm | 31.2 mm | +12.9 |
| Feb | 162.6 mm | 135.6 mm | +27.0 |
| Mar | 83.7 mm | 68.5 mm | +15.2 |
| Apr | 26.1 mm | 21.9 mm | +4.2 |
| May | 22.4 mm | 16.1 mm | +6.3 |
| Jun | 87 mm | 65.5 mm | +21.5 |
| Jul | 53.1 mm | 48.9 mm | +4.2 |
| Aug | – | – | – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |