Bewolking — 2020
| Month | Tytsjerksteradiel | Smallingerland | Difference |
|---|---|---|---|
| Jan | 81.7 % | 82 % | -0.3 |
| Feb | 73.4 % | 74.3 % | -0.9 |
| Mar | 52.1 % | 52.3 % | -0.2 |
| Apr | 44 % | 42.4 % | +1.6 |
| May | 49.1 % | 48.6 % | +0.5 |
| Jun | 70.1 % | 71 % | -0.9 |
| Jul | 64.9 % | 63.6 % | +1.3 |
| Aug |
| – |
| – |
| – |
| Sep | – | – | – |
| Oct | – | – | – |
| Nov | – | – | – |
| Dec | – | – | – |