| Climate data for Whitehorse (Erik Nielsen Whitehorse International Airport) WMO ID: 71964; coordinates 60°42′34″N 135°04′07″W / 60.70944°N 135.06861°W; elevation: 706.2 m (2,317 ft); 1991–2020 normals, extremes 1900–present[a] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high humidex | 9.5 | 11.1 | 16.6 | 21.6 | 33.6 | 33.3 | 33.6 | 31.9 | 25.2 | 19.0 | 11.1 | 9.2 | 33.6 |
| Record high °C (°F) | 10.9 (51.6) |
11.7 (53.1) |
16.8 (62.2) |
21.8 (71.2) |
34.1 (93.4) |
34.4 (93.9) |
33.2 (91.8) |
31.6 (88.9) |
26.7 (80.1) |
19.3 (66.7) |
13.3 (55.9) |
10.6 (51.1) |
34.4 (93.9) |
| Mean daily maximum °C (°F) | −11.1 (12.0) |
−7.1 (19.2) |
−1.1 (30.0) |
7.1 (44.8) |
14.2 (57.6) |
19.3 (66.7) |
20.5 (68.9) |
18.5 (65.3) |
12.3 (54.1) |
4.3 (39.7) |
−5.4 (22.3) |
−9.1 (15.6) |
5.2 (41.4) |
| Daily mean °C (°F) | −15.0 (5.0) |
−11.9 (10.6) |
−6.7 (19.9) |
1.6 (34.9) |
7.9 (46.2) |
12.8 (55.0) |
14.5 (58.1) |
12.9 (55.2) |
7.5 (45.5) |
0.9 (33.6) |
−8.6 (16.5) |
−12.8 (9.0) |
0.2 (32.4) |
| Mean daily minimum °C (°F) | −18.9 (−2.0) |
−16.6 (2.1) |
−12.4 (9.7) |
−4.0 (24.8) |
1.6 (34.9) |
6.2 (43.2) |
8.5 (47.3) |
7.2 (45.0) |
2.7 (36.9) |
−2.8 (27.0) |
−11.8 (10.8) |
−16.5 (2.3) |
−4.7 (23.5) |
| Record low °C (°F) | −56.2 (−69.2) |
−51.1 (−60.0) |
−42.2 (−44.0) |
−30.6 (−23.1) |
−12.9 (8.8) |
−6.1 (21.0) |
−2.2 (28.0) |
−8.3 (17.1) |
−19.4 (−2.9) |
−31.1 (−24.0) |
−47.2 (−53.0) |
−48.3 (−54.9) |
−56.2 (−69.2) |
| Record low wind chill | −61.3 | −62.4 | −47.5 | −35.0 | −18.6 | −6.8 | 0.0 | −6.4 | −21.4 | −45.3 | −51.4 | −59.2 | −62.4 |
| Average precipitation mm (inches) | 22.3 (0.88) |
14.7 (0.58) |
11.5 (0.45) |
8.4 (0.33) |
15.4 (0.61) |
35.2 (1.39) |
39.2 (1.54) |
39.0 (1.54) |
30.9 (1.22) |
23.1 (0.91) |
23.5 (0.93) |
16.4 (0.65) |
279.6 (11.01) |
| Average rainfall mm (inches) | 0.1 (0.00) |
0.0 (0.0) |
0.0 (0.0) |
1.2 (0.05) |
12.9 (0.51) |
34.4 (1.35) |
37.5 (1.48) |
40.4 (1.59) |
26.8 (1.06) |
9.9 (0.39) |
0.9 (0.04) |
0.2 (0.01) |
164.3 (6.47) |
| Average snowfall cm (inches) | 28.8 (11.3) |
18.3 (7.2) |
16.1 (6.3) |
7.0 (2.8) |
2.8 (1.1) |
0.2 (0.1) |
0.0 (0.0) |
0.0 (0.0) |
3.6 (1.4) |
17.2 (6.8) |
28.4 (11.2) |
25.3 (10.0) |
147.6 (58.1) |
| Average precipitation days (≥ 0.2 mm) | 12.7 | 9.2 | 7.2 | 5.1 | 7.3 | 11.1 | 13.0 | 12.0 | 12.2 | 10.7 | 13.0 | 11.3 | 124.7 |
| Average rainy days (≥ 0.2 mm) | 0.17 | 0.06 | 0.0 | 1.1 | 6.9 | 10.8 | 13.0 | 12.3 | 11.6 | 5.4 | 0.88 | 0.37 | 62.7 |
| Average snowy days (≥ 0.2 cm) | 12.4 | 8.8 | 7.6 | 3.4 | 1.4 | 0.05 | 0.0 | 0.0 | 1.5 | 7.1 | 11.9 | 12.1 | 66.2 |
| Average relative humidity (%) (at 1500 LST) | 74.9 | 65.9 | 49.7 | 40.2 | 36.2 | 40.0 | 46.3 | 48.2 | 54.0 | 64.9 | 77.1 | 77.8 | 56.3 |
| Mean monthly sunshine hours | 43.8 | 105.5 | 163.2 | 238.5 | 251.1 | 266.7 | 247.6 | 226.5 | 132.7 | 84.9 | 39.8 | 26.8 | 1,827.1 |
| Percent possible sunshine | 21.4 | 41.6 | 44.8 | 54.4 | 46.8 | 46.9 | 43.8 | 46.4 | 34.1 | 27.0 | 17.8 | 14.9 | 36.7 |
| Average ultraviolet index | 0 | 1 | 1 | 3 | 4 | 5 | 5 | 4 | 2 | 1 | 0 | 0 | 2 |
| Source 1: Environment and Climate Change Canada (1991–2020),[b][1] (1981–2010),[2] (1900–1960),[3] (extreme minimum),[4] (January maximum)[5] | |||||||||||||
| Source 2: Weather Atlas[6] | |||||||||||||
Notes
edit- ^ Climate data was recorded in the area of downtown Whitehorse from July 1900 to March 1942 and at Whitehorse Airport from April 1942 to present.
- ^ Composite station data: Whitehorse Auto - Climate ID: 2101310, WMO ID: 71773, 60°43′59″N 135°05′52″W / 60.73306°N 135.09778°W, 707 m (2,320 ft) and Whitehorse A - Climate ID: 2101300 / 2101303, WMO ID: 71964 / 71964, 60°42′34.2″N 135°04′07.8″W / 60.709500°N 135.068833°W / 60°42′34″N 135°04′02″W / 60.70944°N 135.06722°W, 706.2 m (2,317 ft)
References
- ^ "Canadian Climate Normals 1991–2020". Environment and Climate Change Canada. Retrieved June 12, 2024.
- ^ "Whitehorse A". Canadian Climate Normals 1981–2010. Environment and Climate Change Canada. 31 October 2011. Climate ID: 2101300. Retrieved 2014-07-30.
- ^ "Whitehorse". Environment and Climate Change Canada. 22 September 2015. Retrieved 16 June 2016.
- ^ "Daily Data Report for January 1906". Environment and Climate Change Canada. 22 September 2015. Retrieved 16 June 2016.
- ^ "Daily Data Report for January 2013". Canadian Climate Data. Environment and Climate Change Canada. 17 February 2022.
- ^ "Whitehorse, Canada – Detailed climate information and monthly weather forecast". Weather Atlas. Yu Media Group. Retrieved 2019-07-06.