| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Max Temperature °C ( °F) | 5.1 (41.2) | 8.1 (46.6) | 14.6 (58.3) | 20.7 (69.3) | 25.6 (78.1) | 30.2 (86.4) | 31.8 (89.2) | 31.2 (88.2) | 28 (82.4) | 22 (71.6) | 14.5 (58.1) | 7.7 (45.9) | 20 (67.9) | ||
| Average Temperature °C ( °F) | 0.1 (32.2) | 2.6 (36.7) | 8.6 (47.5) | 14.2 (57.6) | 19.1 (66.4) | 23.7 (74.7) | 25.5 (77.9) | 24.6 (76.3) | 21.3 (70.3) | 14.8 (58.6) | 8.7 (47.7) | 2.8 (37) | 13.8 (56.8) | ||
| Average Min Temperature °C ( °F) | -4.9 (23.2) | -2.9 (26.8) | 2.6 (36.7) | 7.7 (45.9) | 12.5 (54.5) | 17.1 (62.8) | 19.2 (66.6) | 18 (64.4) | 14.6 (58.3) | 7.6 (45.7) | 3 (37.4) | -2.1 (28.2) | 7.7 (45.9) |
