The weather in May, September and October is often better than in the 'summer' months (June to August), which can be rainy and temperamental. The average temperature is around 10°C (50°F), but temperatures at the height of the summer often soar well over 30°C (86°F). From November to February temperatures frequently slide below freezing point and storms are common.
| Month | Temp (°C) | Rainfall (mm) | Humidity (%) | Sunshine (hours) |
| Jan | -2 - 3 | 58 | 1 | |
| Feb | -1 - 5 | 44 | 2 | |
| Mar | 4 - 11 | 38 | 4 | |
| Apr | 6 - 16 | 44 | 5 | |
| May | 9 - 20 | 55 | 7 | |
| Jun | 13 - 23 | 73 | 8 | |
| Jul | 15 - 25 | 70 | 7 | |
| Aug | 14 - 24 | 76 | 7 | |
| Sep | 11 - 21 | 57 | 5 | |
| Oct | 7 - 26 | 52 | 3 | |
| Nov | 3 - 19 | 55 | 1 | |
| Dec | 0 - 4 | 54 | 1 |