| Month | CET | Anomaly | notes |
| January | 6.5 | 2.7 | |
| February | 6.5 | 2.7 | |
| March | 6.8 | 1.2 | |
| April | 10.6 | 2.8 | |
| May | 12.6 | 1.4 | |
| June | 15.4 | 1.3 | |
| July | 15.9 | -0.1 | |
| August | 17.7 | 1.9 | |
| September | 14.0 | 0.4 | |
| October | 10.5 | 0.0 | |
| November | 8.5 | 2.0 | |
| December | 5.0 | 0.4 |
Average for 2020: 10.84, anomaly: 1.37C
Daily CET graph
