| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Max Temperature °C ( °F) | -3.7 (25.3) | -2.6 (27.3) | 3.6 (38.5) | 11.3 (52.3) | 18.6 (65.5) | 23.3 (73.9) | 26.2 (79.2) | 24.8 (76.6) | 20.6 (69.1) | 14 (57.2) | 6.8 (44.2) | -0.9 (30.4) | 11.8 (53.3) | ||
| Average Temperature °C ( °F) | -9.6 (14.7) | -8.6 (16.5) | -1.9 (28.6) | 5.6 (42.1) | 12.4 (54.3) | 17.3 (63.1) | 20.2 (68.4) | 18.9 (66) | 14.5 (58.1) | 8.3 (46.9) | 2.2 (36) | -6.2 (20.8) | 6.1 (43) | ||
| Average Min Temperature °C ( °F) | -15.4 (4.3) | -14.6 (5.7) | -7.4 (18.7) | -0.1 (31.8) | 6.2 (43.2) | 11.3 (52.3) | 14.1 (57.4) | 13 (55.4) | 8.4 (47.1) | 2.5 (36.5) | -2.4 (27.7) | -11.4 (11.5) | 0.4 (32.6) |
