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Template:Hamilton Airport weatherbox

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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 / 43.17167; -79.93417 (John C. Munro Hamilton International Airport); 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

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References

  1. ^ "John C. Munro Hamilton International Airport". Canadian Climate Normals 1991–2020. Environment and Climate Change Canada. Retrieved Jun 11, 2024.
  2. ^ "John C. Munro Hamilton International Airport". Canadian Climate Normals 1981–2010. Environment and Climate Change Canada. Retrieved April 9, 2014.