| Climate data for Richmond Hill Climate ID: 6157012; coordinates 43°52′38″N 79°26′52″W / 43.87722°N 79.44778°W; elevation: 240 m (790 ft); 1981–2010 normals | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 14.5 (58.1) |
14.5 (58.1) |
25.5 (77.9) |
31.0 (87.8) |
34.5 (94.1) |
35.0 (95.0) |
37.0 (98.6) |
37.0 (98.6) |
34.4 (93.9) |
29.4 (84.9) |
23.3 (73.9) |
20.0 (68.0) |
37.0 (98.6) |
| Mean daily maximum °C (°F) | −2.2 (28.0) |
−0.6 (30.9) |
4.4 (39.9) |
12.1 (53.8) |
19.0 (66.2) |
24.2 (75.6) |
26.8 (80.2) |
25.6 (78.1) |
20.9 (69.6) |
13.7 (56.7) |
6.7 (44.1) |
0.8 (33.4) |
12.6 (54.7) |
| Daily mean °C (°F) | −6.2 (20.8) |
−4.9 (23.2) |
−0.3 (31.5) |
6.9 (44.4) |
13.3 (55.9) |
18.7 (65.7) |
21.4 (70.5) |
20.3 (68.5) |
15.9 (60.6) |
9.1 (48.4) |
3.1 (37.6) |
−2.7 (27.1) |
7.9 (46.2) |
| Mean daily minimum °C (°F) | −10.2 (13.6) |
−9.1 (15.6) |
−5 (23) |
1.7 (35.1) |
7.7 (45.9) |
13.1 (55.6) |
15.9 (60.6) |
15.1 (59.2) |
10.8 (51.4) |
4.5 (40.1) |
−0.5 (31.1) |
−6.1 (21.0) |
3.2 (37.8) |
| Record low °C (°F) | −32.5 (−26.5) |
−29 (−20) |
−27 (−17) |
−15 (5) |
−5.6 (21.9) |
0.6 (33.1) |
4.4 (39.9) |
3.0 (37.4) |
−3.3 (26.1) |
−7.8 (18.0) |
−15.5 (4.1) |
−30 (−22) |
−32.5 (−26.5) |
| Average precipitation mm (inches) | 62.3 (2.45) |
58.0 (2.28) |
58.8 (2.31) |
70.1 (2.76) |
81.6 (3.21) |
80.2 (3.16) |
83.5 (3.29) |
89.2 (3.51) |
88.4 (3.48) |
69.1 (2.72) |
87.2 (3.43) |
66.8 (2.63) |
895.2 (35.24) |
| Average rainfall mm (inches) | 25.2 (0.99) |
26.3 (1.04) |
33.6 (1.32) |
62.5 (2.46) |
81.5 (3.21) |
80.2 (3.16) |
83.5 (3.29) |
89.2 (3.51) |
88.4 (3.48) |
67.6 (2.66) |
73.5 (2.89) |
33.1 (1.30) |
744.6 (29.31) |
| Average snowfall cm (inches) | 37.1 (14.6) |
31.7 (12.5) |
25.2 (9.9) |
7.6 (3.0) |
0.1 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
0.0 (0.0) |
1.5 (0.6) |
13.7 (5.4) |
33.7 (13.3) |
150.6 (59.3) |
| Average precipitation days (≥ 0.2 mm) | 18.3 | 13.9 | 14.4 | 13.6 | 13.6 | 11.9 | 11.3 | 11.2 | 12.4 | 13.4 | 15.2 | 16.2 | 165.2 |
| Average rainy days (≥ 0.2 mm) | 4.9 | 4.3 | 7.4 | 11.7 | 13.6 | 11.9 | 11.3 | 11.2 | 12.4 | 13.3 | 11.4 | 7.0 | 120.2 |
| Average snowy days (≥ 0.2 cm) | 15.3 | 11.3 | 9.0 | 3.2 | 0.12 | 0.0 | 0.0 | 0.0 | 0.0 | 0.62 | 5.3 | 11.6 | 56.5 |
| Source: Environment and Climate Change Canada[1] | |||||||||||||
References
- ^ "Richmond Hill, Ontario". 1981–2010 Canadian Climate Normals. Environment and Climate Change Canada. Retrieved 2015-02-16.