| Month | CET | Anomaly | notes |
| January | 3.9 | 2.7 | |
| February | 3.2 | 2.2 | |
| March | 2.7 | 0.4 | |
| April | 4.7 | 0.8 | |
| May | 6.7 | -0.1 | |
| June | 10.7 | 0.9 | |
| July | 11.5 | -0.2 | |
| August | 13.3 | 1.9 | |
| September | 9.3 | -0.4 | |
| October | 7.4 | 0.2 | |
| November | 5.5 | 1.9 | |
| December | 2.5 | 0.5 |
Average for 2020: 6.80C, anomaly: 0.89C
Daily CET graph
