| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean daily maximum °C (°F) | 6.9 (44.4) |
7.4 (45.3) |
9.6 (49.3) |
12.5 (54.5) |
16.2 (61.2) |
19.7 (67.5) |
20.3 (68.5) |
20.3 (68.5) |
17.9 (64.2) |
14.6 (58.3) |
9.8 (49.6) |
7.7 (45.9) |
13.6 (56.4) |
| Daily mean °C (°F) | 4.4 (39.9) |
4.6 (40.3) |
6.2 (43.2) |
8.8 (47.8) |
12.1 (53.8) |
15.2 (59.4) |
16.2 (61.2) |
16.2 (61.2) |
14.0 (57.2) |
11.1 (52.0) |
6.8 (44.2) |
5.0 (41.0) |
10.0 (50.1) |
| Mean daily minimum °C (°F) | 1.9 (35.4) |
1.9 (35.4) |
2.8 (37.0) |
5.0 (41.0) |
8.0 (46.4) |
10.7 (51.3) |
12.2 (54.0) |
12.1 (53.8) |
10.0 (50.0) |
7.7 (45.9) |
3.8 (38.8) |
2.3 (36.1) |
6.5 (43.8) |
| Average precipitation mm (inches) | 65.6 (2.58) |
44.2 (1.74) |
45.2 (1.78) |
57.2 (2.25) |
66.4 (2.61) |
55.0 (2.17) |
73.4 (2.89) |
75.7 (2.98) |
71.0 (2.80) |
63.9 (2.52) |
78.4 (3.09) |
68.5 (2.70) |
764.5 (30.11) |
| Source: CEDA[1] | |||||||||||||