| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Max Temperature °C ( °F) | -6.9 (19.6) | -3.6 (25.5) | 3.2 (37.8) | 13 (55.4) | 21.1 (70) | 26.6 (79.9) | 29.1 (84.4) | 27.3 (81.1) | 22.1 (71.8) | 15.3 (59.5) | 4.7 (40.5) | -4.6 (23.7) | 12.3 (54.1) | ||
| Average Temperature °C ( °F) | -12.4 (9.7) | -9.1 (15.6) | -1.8 (28.8) | 7.1 (44.8) | 14.7 (58.5) | 20.3 (68.5) | 22.8 (73) | 21.1 (70) | 15.7 (60.3) | 9 (48.2) | -0.2 (31.6) | -9.4 (15.1) | 6.5 (43.7) | ||
| Average Min Temperature °C ( °F) | -18 (-0.4) | -14.6 (5.7) | -6.9 (19.6) | 1.3 (34.3) | 8.2 (46.8) | 13.9 (57) | 16.4 (61.5) | 14.8 (58.6) | 9.3 (48.7) | 2.7 (36.9) | -5.1 (22.8) | -14.3 (6.3) | 0.6 (33.2) |
