| Climate data for Castlegar (West Kootenay Regional Airport) Climate ID: 1141455; coordinates 49°17′47″N 117°37′57″W / 49.29639°N 117.63250°W; elevation: 495.6 m (1,626 ft); 1981–2010 normals, extremes 1916–present[a] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high humidex | 9.0 | 14.1 | 22.6 | 27.7 | 35.9 | 46.9 | 53.4 | 42.8 | 37.9 | 28.2 | 19.2 | 10.6 | 53.4 |
| Record high °C (°F) | 10.0 (50.0) |
14.3 (57.7) |
23.1 (73.6) |
32.2 (90.0) |
34.5 (94.1) |
43.9 (111.0) |
41.1 (106.0) |
40.0 (104.0) |
36.8 (98.2) |
27.2 (81.0) |
19.4 (66.9) |
11.7 (53.1) |
43.9 (111.0) |
| Mean daily maximum °C (°F) | 0.5 (32.9) |
3.2 (37.8) |
9.4 (48.9) |
15.3 (59.5) |
20.0 (68.0) |
23.6 (74.5) |
28.1 (82.6) |
28.2 (82.8) |
22.0 (71.6) |
12.9 (55.2) |
4.7 (40.5) |
0.0 (32.0) |
14.0 (57.2) |
| Daily mean °C (°F) | −1.6 (29.1) |
−0.1 (31.8) |
4.4 (39.9) |
8.8 (47.8) |
13.3 (55.9) |
16.8 (62.2) |
20.2 (68.4) |
20.0 (68.0) |
14.7 (58.5) |
8.0 (46.4) |
2.1 (35.8) |
−2.1 (28.2) |
8.7 (47.7) |
| Mean daily minimum °C (°F) | −3.7 (25.3) |
−3.5 (25.7) |
−0.7 (30.7) |
2.3 (36.1) |
6.5 (43.7) |
10.0 (50.0) |
12.2 (54.0) |
11.7 (53.1) |
7.3 (45.1) |
3.0 (37.4) |
−0.6 (30.9) |
−4.2 (24.4) |
3.4 (38.1) |
| Record low °C (°F) | −25.7 (−14.3) |
−25.0 (−13.0) |
−18.3 (−0.9) |
−10.0 (14.0) |
−3.9 (25.0) |
−1.1 (30.0) |
3.3 (37.9) |
0.0 (32.0) |
−7.8 (18.0) |
−11.3 (11.7) |
−20.2 (−4.4) |
−30.6 (−23.1) |
−30.6 (−23.1) |
| Record low wind chill | −32 | −33 | −28 | −9 | −4 | −7 | 0 | 0 | −5 | −19 | −30 | −42 | −42 |
| Average precipitation mm (inches) | 75.5 (2.97) |
51.2 (2.02) |
62.9 (2.48) |
59.3 (2.33) |
70.3 (2.77) |
72.3 (2.85) |
48.1 (1.89) |
30.4 (1.20) |
42.4 (1.67) |
51.3 (2.02) |
96.7 (3.81) |
90.3 (3.56) |
750.9 (29.56) |
| Average rainfall mm (inches) | 26.2 (1.03) |
28.1 (1.11) |
50.1 (1.97) |
57.1 (2.25) |
70.1 (2.76) |
72.3 (2.85) |
48.1 (1.89) |
30.4 (1.20) |
42.4 (1.67) |
49.4 (1.94) |
58.7 (2.31) |
31.3 (1.23) |
564.3 (22.22) |
| Average snowfall cm (inches) | 55.4 (21.8) |
25.7 (10.1) |
13.2 (5.2) |
2.0 (0.8) |
0.2 (0.1) |
0 (0) |
0 (0) |
0 (0) |
0 (0) |
1.9 (0.7) |
37.5 (14.8) |
64.8 (25.5) |
200.6 (79.0) |
| Average precipitation days (≥ 0.2 mm) | 16.5 | 13.4 | 14.5 | 14.4 | 15.5 | 14.4 | 9.7 | 7.7 | 8.2 | 12.1 | 17.4 | 16.6 | 160.3 |
| Average rainy days (≥ 0.2 mm) | 7.8 | 8.1 | 12.4 | 14.2 | 15.5 | 14.4 | 9.7 | 7.7 | 8.2 | 12.0 | 13.0 | 5.7 | 128.5 |
| Average snowy days (≥ 0.2 cm) | 12.6 | 8.6 | 4.9 | 1.2 | 0.2 | 0 | 0 | 0 | 0 | 0.7 | 8.2 | 14.5 | 50.7 |
| Average relative humidity (%) (at 1500 LST) | 76.0 | 66.6 | 52.5 | 42.8 | 43.7 | 45.7 | 37.3 | 35.0 | 42.6 | 58.1 | 74.6 | 77.7 | 54.4 |
| Mean monthly sunshine hours | 38.9 | 76.1 | 128.8 | 173.8 | 226.7 | 233.0 | 291.9 | 276.3 | 204.0 | 123.2 | 48.2 | 33.4 | 1,854.2 |
| Percent possible sunshine | 14.4 | 26.7 | 35.0 | 42.3 | 47.8 | 48.0 | 59.6 | 61.9 | 53.8 | 36.8 | 17.5 | 13.0 | 38.1 |
| Source: Environment and Climate Change Canada[1] (June maximum)[2] (July maximum)[3][4] | |||||||||||||
Notes
edit- ^ Climate data was recorded at Castlegar from July 1916 to June 1963 and at Castlegar Airport from December 1965 to present.
References
- ^ "Canadian Climate Normals 1981-2010 Station Data -Castlegar". Environment Canada. 2024-06-27. Retrieved 2024-09-16.
- ^ "Daily Data Report for June 2021-". Environment and Climate Change Canada. 2024-06-27. Retrieved 2024-09-16.
- ^ "Daily Data Report for July 1924". Environment and Climate Change Canada. 2024-06-27. Retrieved 27 February 2017.
- ^ "Daily Data Report for July 1926". Environment and Climate Change Canada. 2024-06-27. Retrieved 2024-09-16.