| | |
| | Month | Mean Temperature oC | Mean Total Rainfall (mm) | Mean Number of Rain Days | Daily Minimum | Daily Maximum | | Jan | -0.4 | 8.6 | 190 | 21 | | Feb | -0.5 | 8.8 | 152 | 17 | | Mar | 0.9 | 10.3 | 170 | 19 | | Apr | 3.0 | 15.3 | 114 | 17 | | May | 7.2 | 21.6 | 106 | 17 | | Jun | 10.2 | 24.0 | 132 | 16 | | Jul | 11.5 | 25.0 | 148 | 18 | | Aug | 11.6 | 24.1 | 190 | 19 | | Sep | 9.1 | 19.8 | 283 | 23 | | Oct | 6.6 | 16.4 | 271 | 24 | | Nov | 2.8 | 12.0 | 259 | 22 | | Dec | 0.6 | 9.7 | 235 | 22 |
| | Remarks: | | * | Mean number of precipitation days = Mean number of days with at least 0.10 mm of precipitation. | | * | Precipitation includes both rain and snow. | | * | | | * | | | | | | | |