Template:Hamilton Airport weatherbox
| Climate data for Hamilton (John C. Munro Hamilton International Airport) WMO ID: 71263; coordinates: 43°10′18″N 79°56′03″W / 43.17167°N 79.93417°W; elevation: 237.7 m (780 ft); 1991−2020 normals, extremes 1959–present | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high humidex | 17.6 | 18.5 | 27.7 | 33.4 | 40.5 | 44.4 | 49.1 | 47.6 | 42.1 | 37.7 | 26.6 | 24.5 | 49.1 |
| Record high °C (°F) | 16.7 (62.1) |
17.9 (64.2) |
26.8 (80.2) |
29.7 (85.5) |
33.1 (91.6) |
35.0 (95.0) |
37.4 (99.3) |
36.4 (97.5) |
34.4 (93.9) |
30.3 (86.5) |
24.4 (75.9) |
20.7 (69.3) |
37.4 (99.3) |
| Mean daily maximum °C (°F) | −1.4 (29.5) |
−0.9 (30.4) |
4.7 (40.5) |
11.8 (53.2) |
18.9 (66.0) |
24.2 (75.6) |
26.6 (79.9) |
25.6 (78.1) |
21.7 (71.1) |
14.5 (58.1) |
7.7 (45.9) |
1.5 (34.7) |
12.9 (55.2) |
| Daily mean °C (°F) | −5.3 (22.5) |
−5 (23) |
0.2 (32.4) |
6.5 (43.7) |
13.1 (55.6) |
18.5 (65.3) |
20.9 (69.6) |
20.1 (68.2) |
16.1 (61.0) |
9.7 (49.5) |
3.8 (38.8) |
−1.9 (28.6) |
8.1 (46.6) |
| Mean daily minimum °C (°F) | −9.1 (15.6) |
−9.2 (15.4) |
−4.4 (24.1) |
1.3 (34.3) |
7.3 (45.1) |
12.8 (55.0) |
15.2 (59.4) |
14.5 (58.1) |
10.5 (50.9) |
4.8 (40.6) |
−0.2 (31.6) |
−5.4 (22.3) |
3.2 (37.8) |
| Record low °C (°F) | −30.0 (−22.0) |
−29.1 (−20.4) |
−24.6 (−12.3) |
−12.8 (9.0) |
−3.9 (25.0) |
1.1 (34.0) |
5.6 (42.1) |
1.1 (34.0) |
−2.2 (28.0) |
−7.8 (18.0) |
−19.3 (−2.7) |
−26.8 (−16.2) |
−30.0 (−22.0) |
| Record low wind chill | −43.0 | −37.0 | −30.7 | −22.5 | −8.0 | 0.0 | 0.0 | 0.0 | −4.6 | −10.9 | −22.8 | −33.9 | −43.0 |
| Average precipitation mm (inches) | 72.9 (2.87) |
53.4 (2.10) |
68.7 (2.70) |
81.3 (3.20) |
81.0 (3.19) |
77.6 (3.06) |
97.5 (3.84) |
66.8 (2.63) |
73.5 (2.89) |
84.2 (3.31) |
78.1 (3.07) |
67.3 (2.65) |
902.3 (35.52) |
| Average rainfall mm (inches) | 36.4 (1.43) |
24.5 (0.96) |
43.9 (1.73) |
73.0 (2.87) |
81.0 (3.19) |
78.1 (3.07) |
97.5 (3.84) |
65.5 (2.58) |
73.6 (2.90) |
83.2 (3.28) |
67.7 (2.67) |
40.2 (1.58) |
764.6 (30.10) |
| Average snowfall cm (inches) | 40.8 (16.1) |
35.1 (13.8) |
26.5 (10.4) |
8.4 (3.3) |
0.5 (0.2) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.7 (0.3) |
11.0 (4.3) |
33.5 (13.2) |
156.5 (61.6) |
| Average precipitation days (≥ 0.2 mm) | 17.1 | 13.6 | 12.9 | 12.6 | 12.8 | 10.7 | 11.5 | 10.2 | 9.8 | 12.4 | 13.5 | 15.4 | 152.4 |
| Average rainy days (≥ 0.2 mm) | 5.9 | 4.1 | 7.5 | 11.4 | 12.8 | 10.6 | 11.5 | 10.1 | 9.8 | 12.3 | 10.4 | 7.9 | 114.2 |
| Average snowy days (≥ 0.2 cm) | 14.5 | 11.6 | 8.1 | 2.7 | 0.10 | 0.0 | 0.0 | 0.0 | 0.0 | 0.43 | 4.8 | 12.0 | 54.2 |
| Average relative humidity (%) (at 15:00) | 75.1 | 70.7 | 65.1 | 59.6 | 57.1 | 57.7 | 57.5 | 60.5 | 61.3 | 65.3 | 71.5 | 75.6 | 64.8 |
| Source: Environment and Climate Change Canada (snowfall 1981–2010)[1][2] | |||||||||||||
Notes[edit]
References
- ^ "John C. Munro Hamilton International Airport". Canadian Climate Normals 1991–2020. Environment and Climate Change Canada. Retrieved Jun 11, 2024.
- ^ "John C. Munro Hamilton International Airport". Canadian Climate Normals 1981–2010. Environment and Climate Change Canada. Retrieved April 9, 2014.