Neerslag — 2020
| Month | Gulpen-Wittem | Voerendaal | Difference |
|---|---|---|---|
| Jan | 42.8 mm | 42.8 mm | +0.0 |
| Feb | 160.9 mm | 160.9 mm | +0.0 |
| Mar | 83.6 mm | 83.6 mm | +0.0 |
| Apr | 23.8 mm | 23.8 mm | +0.0 |
| May | 25.4 mm | 25.4 mm | +0.0 |
| Jun | 78.5 mm | 78.5 mm | +0.0 |
| Jul | 55.6 mm | 55.6 mm | +0.0 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |