| Jan | Feb | Maa | Apr | Mei | Jun | Jul | Aug | Sep | Okt | Nov | Dec | 2008 | |
| Gemiddelde temperatuur (°C) | 6.2 | 5.1 | 6.3 | 9.3 | 16.5 | 17.4 | 18.3 | 17.7 | 14.1 | 10.5 | 7.0 | 2.6 | 10.9 |
| Gemiddelde etmaalminimum (°C) | 3.8 | 1.3 | 3.0 | 4.7 | 10.6 | 12.4 | 14.3 | 14.5 | 9.9 | 7.4 | 4.6 | 0.3 | 7.3 |
| Gemiddelde etmaalmaximum (°C) | 8.5 | 9.5 | 9.8 | 15.1 | 22.7 | 23.4 | 23.7 | 22.7 | 19.7 | 15.0 | 9.8 | 5.6 | 15.5 |
| Laagste etmaalgemiddelde (°C) | -0.4 | -0.2 | 0.8 | 3.3 | 10.4 | 12.7 | 13.2 | 15.1 | 11.1 | 2.7 | 0.3 | -5.5 | -5.5 |
| Hoogste etmaalgemiddelde (°C) | 11.5 | 9.8 | 16.5 | 16.1 | 21.0 | 22.3 | 23.2 | 21.8 | 19.3 | 15.5 | 11.8 | 9.5 | 23.2 |
| Laagste etmaalminimum (°C) | -3.1 | -5.8 | -4.5 | -1.9 | 3.3 | 5.8 | 10.2 | 9.3 | 4.1 | -1.4 | -1.7 | -8.2 | -8.2 |
| Hoogste etmaalminimum (°C) | 10.1 | 7.9 | 7.9 | 10.8 | 15.9 | 17.3 | 19.9 | 19.2 | 16.8 | 13.3 | 10.6 | 7.1 | 19.9 |
| Laagste etmaalmaximum (°C) | 1.4 | 2.9 | 5.6 | 9.9 | 15.3 | 17.6 | 16.9 | 17.8 | 14.1 | 8.6 | 1.8 | -3.1 | -3.1 |
| Hoogste etmaalmaximum (°C) | 12.3 | 14.8 | 16.8 | 22.0 | 28.6 | 31.8 | 31.4 | 29.3 | 26.6 | 22.4 | 15.0 | 13.6 | 31.8 |
| ----------- | |||||||||||||
| Strenge vorstdagen, Tmin < -10.0 °C | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Matige vorstdagen, Tmin < -5.0 °C | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 5 |
| Vorstdagen, Tmin < 0.0 °C | 2 | 8 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 14 | 42 |
| IJsdagen, Tmax < 0.0 °C | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Dagen Tmax < 5.0 °C | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 13 | 23 |
| Dagen Tmax >= 10.0 °C | 8 | 15 | 13 | 29 | 31 | 30 | 31 | 31 | 30 | 28 | 17 | 5 | 268 |
| Dagen Tmax >= 15.0 °C | 0 | 0 | 1 | 11 | 31 | 30 | 31 | 31 | 28 | 16 | 1 | 0 | 180 |
| Warme dagen, Tmax >= 20.0 °C | 0 | 0 | 0 | 3 | 24 | 26 | 24 | 27 | 14 | 3 | 0 | 0 | 121 |
| Zomerse dagen, Tmax >= 25.0 °C | 0 | 0 | 0 | 0 | 9 | 6 | 12 | 5 | 1 | 0 | 0 | 0 | 33 |
| Tropische dagen, Tmax >= 30.0 °C | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 5 |
| ----------- | |||||||||||||
| Neerslagsom (mm) | 57.0 | 32.6 | 96.9 | 27.0 | 31.6 | 34.2 | 123.8 | 155.4 | 42.3 | 88.6 | 93.0 | 40.4 | 822.8 |
| Hoogste etmaalsom (mm) | 9.4 | 12.5 | 17.1 | 6.3 | 10.9 | 10.9 | 15.0 | 36.8 | 14.6 | 16.0 | 37.2 | 7.2 | 37.2 |
| Dagen >= 0.1 mm | 18 | 7 | 24 | 12 | 7 | 9 | 19 | 14 | 11 | 17 | 18 | 14 | 170 |
| Dagen >= 1.0 mm | 15 | 7 | 19 | 8 | 5 | 7 | 17 | 14 | 10 | 15 | 15 | 10 | 142 |
| Dagen >= 10.0 mm | 0 | 1 | 3 | 0 | 1 | 1 | 5 | 5 | 1 | 2 | 1 | 0 | 20 |
| Dagen >= 25.0 mm | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 3 |
| ----------- | |||||||||||||
| Gemiddelde luchtdruk (hPa) | 1014.3 | 1023.8 | 1004.9 | 1011.0 | 1015.3 | 1015.7 | 1014.0 | 1011.5 | 1017.6 | 1014.6 | 1012.6 | 1017.7 | 1014.4 |
| Gemiddelde windsnelheid (km/h) | 14.4 | 8.1 | 9.1 | 4.6 | 2.2 | 3.4 | 4.3 | 5.7 | 3.6 | 5.7 | 6.4 | 5.3 | 6.1 |