Neerslag — 2026
| Maand | Heerenveen | Opsterland | Verschil |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mrt | 8.5 mm | 15.6 mm | -7.1 |
| Apr | 3.3 mm | 4.6 mm | -1.3 |
| Mei | 67.6 mm | 67.6 mm | +0.0 |
| Jun | 105.5 mm | 105.4 mm | +0.1 |
| Jul | 22.4 mm | 22.4 mm | +0.0 |
| Aug |
| 65.3 mm |
| 65.5 mm |
| -0.2 |
| Sep | 41.3 mm | 39.9 mm | +1.4 |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |