| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Max Temperature °C ( °F) | -1.4 (29.5) | -0.9 (30.4) | 3.6 (38.5) | 10 (50) | 16.2 (61.2) | 21.7 (71.1) | 25 (77) | 24.2 (75.6) | 20 (68) | 13.4 (56.1) | 7.4 (45.3) | 1.4 (34.5) | 11.7 (53.1) | ||
| Average Temperature °C ( °F) | -4.6 (23.7) | -4.1 (24.6) | 0.5 (32.9) | 6.3 (43.3) | 12 (53.6) | 17.2 (63) | 20.6 (69.1) | 20.3 (68.5) | 16.3 (61.3) | 10.1 (50.2) | 4.7 (40.5) | -1.5 (29.3) | 8.1 (46.6) | ||
| Average Min Temperature °C ( °F) | -7.9 (17.8) | -7.4 (18.7) | -2.8 (27) | 2.5 (36.5) | 7.7 (45.9) | 12.8 (55) | 16.2 (61.2) | 16.4 (61.5) | 12.6 (54.7) | 6.8 (44.2) | 1.9 (35.4) | -4.5 (23.9) | 4.5 (40.1) |
