| Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Annual | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Max Temperature °C ( °F) | 16 (60.8) | 17 (62.6) | 17.6 (63.7) | 18.6 (65.5) | 18.8 (65.8) | 17.7 (63.9) | 16.7 (62.1) | 16.7 (62.1) | 16.5 (61.7) | 16.8 (62.2) | 16.6 (61.9) | 16 (60.8) | 17.1 (62.8) | ||
| Average Temperature °C ( °F) | 4.3 (39.7) | 5.8 (42.4) | 8.1 (46.6) | 9.5 (49) | 10.2 (50.3) | 10.4 (50.6) | 10.2 (50.3) | 10.1 (50.2) | 9.9 (49.7) | 8.7 (47.7) | 6.4 (43.5) | 4.5 (40.1) | 8.2 (46.7) | ||
| Average Min Temperature °C ( °F) | -7.5 (18.5) | -5.4 (22.3) | -1.4 (29.5) | 0.3 (32.5) | 1.5 (34.7) | 3 (37.4) | 3.6 (38.5) | 3.5 (38.3) | 3.2 (37.8) | 0.6 (33.1) | -3.8 (25.2) | -7 (19.4) | -0.8 (30.6) |
