CLIMATOLOGY
Toronto Climate Normals 1971-2000
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Toronto Lester B. Pearson International Airport
Latitude: 43o 40.800' N Longitude: 79o 37.800'W Elevation: 173.4 m (568.8 ft)
Climate ID: 6158733 WMO ID: 71624 TC ID: YYZ
|
Temp (oC) |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
|
Daily Avg |
-6.3 |
-5.4 |
-0.4 |
6.3 |
12.9 |
17.8 |
20.8 |
19.9 |
15.3 |
8.9 |
3.2 |
-2.9 |
7.5 |
|
Std. Dev |
3 |
2.7 |
2.3 |
1.7 |
2 |
1.5 |
1.3 |
1.3 |
1.2 |
1.6 |
1.5 |
2.7 |
0.9 |
|
Daily Max |
-2.1 |
-1.1 |
4.1 |
11.5 |
18.8 |
23.7 |
26.8 |
25.6 |
21 |
13.9 |
7 |
0.9 |
12.5 |
|
Daily Min |
-10.5 |
-9.7 |
-5 |
1 |
6.9 |
11.9 |
14.8 |
14 |
9.6 |
3.9 |
-0.7 |
-6.7 |
2.5 |
|
Prcptn (mm) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rainfall |
24.9 |
22.3 |
36.7 |
62.4 |
72.4 |
74.2 |
74.4 |
79.6 |
77.5 |
63.4 |
62 |
34.7 |
684.6 |
|
Snowfall (cm) |
31.1 |
22.1 |
19.2 |
5.7 |
0.1 |
0 |
0 |
0 |
0 |
0.5 |
7.6 |
29.2 |
115.4 |
|
Prcptn |
52.2 |
42.6 |
57.1 |
68.4 |
72.5 |
74.2 |
74.4 |
79.6 |
77.5 |
64.1 |
69.3 |
60.9 |
792.7 |
|
Avg. Snw Depth |
7 |
6 |
3 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
3 |
2 |
|
Wind (km/h) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Speed |
17.8 |
16.5 |
17.1 |
17.1 |
14.1 |
12.9 |
12.3 |
11.2 |
12.2 |
13.3 |
15.6 |
16 |
14.7 |
|
Frequent Dir |
SW |
N |
NW |
NW |
NW |
NW |
NW |
NW |
NW |
NW |
SW |
SW |
NW |
|
CDD |
0 |
0 |
0 |
1.1 |
12 |
44.2 |
96.7 |
75 |
22.1 |
1 |
0 |
0 |
252 |
|
HDD |
752.9 |
662.1 |
571.6 |
353.3 |
171.8 |
49.4 |
8.9 |
17.8 |
102.5 |
282.6 |
445.5 |
647.4 |
4065.7 |
|
Rel. Hmdty (%) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ave Morning |
81.7 |
81.3 |
81.2 |
78.8 |
80 |
82.6 |
84.5 |
88.6 |
89.5 |
87.1 |
84.7 |
83.7 |
83.6 |
|
Ave Afternoon |
74.3 |
70.8 |
65.4 |
56.5 |
53.9 |
55.1 |
53.1 |
56.2 |
59.4 |
62.8 |
71.2 |
75.5 |
62.8 |
|
Pressure (kPa) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ave SLP |
101.7 |
101.8 |
101.6 |
101.5 |
101.5 |
101.4 |
101.5 |
101.7 |
101.7 |
101.8 |
101.7 |
101.8 |
101.6 |
Toronto (Downtown)
Latitude: 43o 40.200' N Longitude: 79o 24.000'W Elevation: 112.50 m (369 ft)
Climate ID: 6158350 WMO ID: 71266 TC ID: XTO
|
Temp (oC) |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
|
Daily Avg |
-4.2 |
-3.2 |
1.3 |
7.6 |
14.2 |
19.2 |
22.2 |
21.3 |
17 |
10.6 |
4.8 |
-0.9 |
9.2 |
|
Std. Dev |
2.7 |
2.5 |
2 |
1.5 |
1.9 |
1.4 |
1.2 |
1.2 |
1.1 |
1.5 |
1.4 |
2.5 |
0.8 |
|
Daily Max |
-1.1 |
-0.2 |
4.6 |
11.3 |
18.5 |
23.5 |
26.4 |
25.3 |
20.7 |
13.8 |
7.4 |
1.8 |
12.7 |
|
Daily Min |
-7.3 |
-6.3 |
-2 |
3.8 |
9.9 |
14.8 |
17.9 |
17.3 |
13.2 |
7.3 |
2.2 |
-3.7 |
5.6 |
|
Prcptn (mm) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rainfall |
29.1 |
26.2 |
42 |
63.2 |
73.3 |
71.5 |
67.5 |
79.6 |
83.4 |
64.7 |
67.3 |
41.9 |
709.8 |
|
Snowfall (cm) |
38.2 |
26.6 |
22 |
6 |
0 |
0 |
0 |
0 |
0 |
0.1 |
8.1 |
32.2 |
133.1 |
|
Prcptn |
61.2 |
50.5 |
66.1 |
69.6 |
73.3 |
71.5 |
67.5 |
79.6 |
83.4 |
64.7 |
75.7 |
71 |
834 |
|
Avg. Snw Depth |
7 |
7 |
3 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
3 |
2 |
|
Bright Sunshine |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total Hours |
88.3 |
110.3 |
156.3 |
185.4 |
229.1 |
256.2 |
276.2 |
241.3 |
188 |
148.4 |
83.6 |
74.7 |
2037.6 |
|
Days with measurable |
21.3 |
21.2 |
24.3 |
26.4 |
28.1 |
28.3 |
30 |
29.6 |
27.2 |
27.1 |
20.4 |
18.9 |
358.7 |
|
CDD |
0 |
0 |
0.1 |
1.4 |
16.8 |
62.6 |
132.3 |
109 |
35.4 |
1 |
0 |
0 |
252 |
|
HDD |
752.9 |
600.1 |
518.2 |
313.8 |
134.7 |
28.2 |
2.3 |
5.9 |
65.5 |
230.2 |
395.3 |
586.6 |
3569.7 |
|
Radiation |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Global (RF1) |
153.7 |
227.2 |
378.8 |
478.2 |
599.5 |
652 |
677.4 |
578 |
418.1 |
283.5 |
146.7 |
120.6 |
|
Toronto Island Airport
Latitude: 43o 37.800' N Longitude: 79o 24.000'W Elevation: 76.5 m (250.9 ft)
Climate ID: 6158665 WMO ID: 71265 TC ID: YTZ
|
Temp (oC) |
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Year |
|
Daily Avg |
-4.5 |
-3.9 |
0.4 |
6.4 |
12.3 |
17.3 |
20.7 |
20.4 |
16.2 |
9.7 |
4.6 |
-1.3 |
8.2 |
|
Std. Dev |
2.8 |
2.2 |
1.6 |
1.2 |
1.4 |
1.4 |
1.2 |
1.4 |
1.2 |
1.5 |
1.2 |
2.5 |
0.7 |
|
Daily Max |
-1.3 |
-0.7 |
3.7 |
10.1 |
16.6 |
21.6 |
25.1 |
24.3 |
19.9 |
13 |
7.3 |
1.8 |
11.8 |
|
Daily Min |
-7.8 |
-7.2 |
-2.9 |
2.7 |
8 |
13 |
16.3 |
16.6 |
12.4 |
6.5 |
1.8 |
-4.3 |
4.6 |
|
Prcptn (mm) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Rainfall |
23.3 |
24.1 |
45.5 |
63.2 |
71.6 |
67.5 |
67.2 |
80.1 |
83.4 |
64.6 |
69.3 |
34.7 |
705 |
|
Snowfall (cm) |
29.5 |
26 |
18.4 |
6 |
0.1 |
0 |
0 |
0 |
0 |
0 |
5.4 |
27.6 |
112.8 |
|
Prcptn |
50.5 |
48.5 |
64.4 |
69 |
71.6 |
67.5 |
67.2 |
80.1 |
83.4 |
64.6 |
74.6 |
72.4 |
813.8 |
|
Avg. Snw Depth |
5 |
6 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
1 |
|
Wind (km/h) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Speed |
22.9 |
20.4 |
19.7 |
18.5 |
15 |
13.3 |
12.2 |
12.3 |
13.8 |
16.2 |
20 |
21.4 |
17.2 |
|
Frequent Dir |
W |
W |
E |
E |
E |
E |
E |
E |
E |
E |
W |
W |
E |
|
CDD |
0 |
0 |
0 |
0 |
4.3 |
29.3 |
90.5 |
86.1 |
22.8 |
0.3 |
0 |
0 |
233.3 |
|
HDD |
698.7 |
619.6 |
545.3 |
347.8 |
181 |
49.8 |
5.8 |
10.4 |
77.7 |
256.5 |
402.8 |
596.7 |
3791.9 |
|
Rel. Hmdty (%) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Ave Morning |
|
|
76.2 |
79.6 |
81.1 |
82.3 |
82.7 |
81.7 |
|
||||
|
Ave Afternoon |
68.9 |
67.4 |
64.6 |
60.9 |
63.3 |
65.5 |
64.7 |
67.3 |
66.6 |
69 |
70.3 |
71.6 |
66.7 |