Neerslag — 2026
| Month | Opsterland | Heerenveen | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 15.6 mm | 8.5 mm | +7.1 |
| Apr | 4.6 mm | 3.3 mm | +1.3 |
| May | 67.6 mm | 67.6 mm | +0.0 |
| Jun | 105.4 mm | 105.5 mm | -0.1 |
| Jul | 22.4 mm | 22.4 mm | +0.0 |
| Aug |
| 65.5 mm |
| 65.3 mm |
| +0.2 |
| Sep | 78.1 mm | 78 mm | +0.1 |
| Oct | 90 mm | 91.9 mm | -1.9 |
| Nov | – | – | – |
| Dec | – | – | – |