Bewolking — 2020
| Maand | Tiel | West Maas en Waal | Verschil |
|---|---|---|---|
| Jan | 80 % | 78.9 % | +1.1 |
| Feb | 75.7 % | 76 % | -0.3 |
| Mrt | 53.5 % | 52.7 % | +0.8 |
| Apr | 37.7 % | 35.9 % | +1.8 |
| Mei | 49.8 % | 49.5 % | +0.3 |
| Jun | 68 % | 67.5 % | +0.5 |
| Jul | 64.5 % | 63.7 % | +0.8 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Okt | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |