| Month | Highest temp (˚C) | Lowest temp (˚C) | Mean temp (˚C) | Rainfall (mm) | Snowfall (mm) | Relative humidity (%) | Sunshine (hrs) |
| Jan | 1.8 | −5.6 | −1.9 | 53.1 | 85 | 73 | 116.9 |
| Feb | 2.9 | −5.2 | −1.2 | 48.7 | 74 | 70 | 127.5 |
| Mar | 7 | −2.2 | 2.2 | 80.5 | 46 | 67 | 160.4 |
| Apr | 14.4 | 3 | 8.6 | 87.5 | 4 | 65 | 173.7 |
| May | 19.7 | 8.5 | 14 | 102.7 | 0 | 69 | 185.4 |
| Jun | 23.5 | 13.8 | 18.3 | 110.1 | 0 | 75 | 154.7 |
| Jul | 26.4 | 18.1 | 21.8 | 185.5 | 0 | 80 | 128.5 |
| Aug | 28.3 | 19.6 | 23.4 | 183.8 | 0 | 79 | 149.1 |
| Sep | 23.6 | 14.6 | 18.7 | 160.3 | 0 | 80 | 123.7 |
| Oct | 17.6 | 7.3 | 12.1 | 93 | 0 | 77 | 145.8 |
| Nov | 10.6 | 1.5 | 5.9 | 90.2 | 10 | 75 | 116.9 |
| Dec | 4.6 | −2.4 | 1 | 70.8 | 53 | 74 | 101.6 |
| Year | 15.0 | 5.9 | 10.2 | 1266.2 | 272 | 69 | 1684.2 |