| Climate data for Churchill (Churchill Airport) Climate ID: 5060600; coordinates 58°44′21″N 94°03′59″W / 58.73917°N 94.06639°W; elevation: 29.3 m (96 ft); 1991−2020 normals, extremes 1929−present | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high humidex | 1.2 | 1.7 | 8.3 | 28.0 | 30.7 | 36.5 | 39.7 | 44.2 | 34.1 | 23.0 | 5.5 | 2.8 | 44.2 |
| Record high °C (°F) | 1.7 (35.1) |
1.8 (35.2) |
9.0 (48.2) |
28.2 (82.8) |
28.9 (84.0) |
32.2 (90.0) |
34.0 (93.2) |
36.9 (98.4) |
29.2 (84.6) |
21.7 (71.1) |
7.2 (45.0) |
3.0 (37.4) |
36.9 (98.4) |
| Mean daily maximum °C (°F) | −21.2 (−6.2) |
−20.0 (−4.0) |
−13.7 (7.3) |
−5.0 (23.0) |
2.9 (37.2) |
12.8 (55.0) |
18.2 (64.8) |
16.7 (62.1) |
10.4 (50.7) |
1.8 (35.2) |
−8.3 (17.1) |
−17.0 (1.4) |
−1.9 (28.6) |
| Daily mean °C (°F) | −25.3 (−13.5) |
−24.3 (−11.7) |
−18.6 (−1.5) |
−9.7 (14.5) |
−0.9 (30.4) |
7.6 (45.7) |
13.0 (55.4) |
12.5 (54.5) |
7.1 (44.8) |
−0.7 (30.7) |
−12.0 (10.4) |
−20.9 (−5.6) |
−6.0 (21.2) |
| Mean daily minimum °C (°F) | −29.2 (−20.6) |
−28.5 (−19.3) |
−23.5 (−10.3) |
−14.4 (6.1) |
−4.7 (23.5) |
2.5 (36.5) |
7.8 (46.0) |
8.2 (46.8) |
3.7 (38.7) |
−3.2 (26.2) |
−15.8 (3.6) |
−24.8 (−12.6) |
−10.2 (13.6) |
| Record low °C (°F) | −45.6 (−50.1) |
−45.4 (−49.7) |
−43.9 (−47.0) |
−34.0 (−29.2) |
−25.2 (−13.4) |
−9.4 (15.1) |
−2.2 (28.0) |
−2.2 (28.0) |
−11.7 (10.9) |
−24.5 (−12.1) |
−36.1 (−33.0) |
−43.9 (−47.0) |
−45.6 (−50.1) |
| Record low wind chill | −64.4 | −62.6 | −62.8 | −56.6 | −37.1 | −12.7 | −6.9 | −6.2 | −16.7 | −35.5 | −51.1 | −59.1 | −64.4 |
| Average precipitation mm (inches) | 14.7 (0.58) |
13.8 (0.54) |
14.1 (0.56) |
15.8 (0.62) |
25.2 (0.99) |
42.0 (1.65) |
74.0 (2.91) |
80.5 (3.17) |
74.9 (2.95) |
49.9 (1.96) |
28.9 (1.14) |
14.9 (0.59) |
447.7 (17.63) |
| Average rainfall mm (inches) | 0.0 (0.0) |
0.0 (0.0) |
0.4 (0.02) |
1.1 (0.04) |
16.1 (0.63) |
41.0 (1.61) |
59.8 (2.35) |
69.3 (2.73) |
66.0 (2.60) |
20.9 (0.82) |
1.3 (0.05) |
0.1 (0.00) |
276.0 (10.87) |
| Average snowfall cm (inches) | 21.7 (8.5) |
19.3 (7.6) |
20.4 (8.0) |
24.9 (9.8) |
15.5 (6.1) |
3.3 (1.3) |
0.0 (0.0) |
0.0 (0.0) |
4.2 (1.7) |
29.8 (11.7) |
39.2 (15.4) |
22.9 (9.0) |
201.2 (79.2) |
| Average precipitation days (≥ 0.2 mm) | 12.2 | 10.9 | 10.2 | 8.8 | 9.9 | 11.7 | 14.5 | 16.7 | 16.5 | 16.7 | 15.7 | 13.1 | 156.8 |
| Average rainy days (≥ 0.2 mm) | 0.09 | 0.05 | 0.45 | 1.4 | 5.1 | 10.7 | 13.9 | 14.9 | 14.5 | 6.5 | 0.91 | 0.24 | 67.5 |
| Average snowy days (≥ 0.2 cm) | 11.9 | 10.3 | 11.1 | 8.3 | 6.7 | 1.5 | 0.0 | 0.06 | 2.6 | 11.6 | 15.6 | 12.3 | 92.1 |
| Average relative humidity (%) (at 1500 LST) | 70.5 | 68.5 | 69.9 | 73.2 | 75.8 | 66.4 | 65.3 | 69.0 | 72.1 | 80.1 | 82.3 | 75.5 | 72.4 |
| Average dew point °C (°F) | −30.2 (−22.4) |
−28.5 (−19.3) |
−22.0 (−7.6) |
−11.3 (11.7) |
−3.5 (25.7) |
2.7 (36.9) |
7.4 (45.3) |
7.5 (45.5) |
2.4 (36.3) |
−3.3 (26.1) |
−13.8 (7.2) |
−25.1 (−13.2) |
−9.8 (14.3) |
| Mean monthly sunshine hours | 79.7 | 117.7 | 177.8 | 198.2 | 197.0 | 243.0 | 281.7 | 225.9 | 112.0 | 58.1 | 55.3 | 53.1 | 1,799.5 |
| Percent possible sunshine | 36.2 | 45.1 | 48.7 | 45.8 | 37.7 | 44.3 | 51.6 | 47.2 | 29.0 | 18.2 | 23.5 | 26.7 | 37.8 |
| Source: Environment and Climate Change Canada[1] (rain/rain days, snow/snow days 1981–2010)[2][3][4] (dew point 1300 LST 1951–1980) Canadian Climate Normals 1951–1980[5][6] | |||||||||||||
Notes
editReferences
- ^ "Kugluktuk (Composite Station Threads)". Canadian Climate Normals 1991-2020 Data. Environment and Climate Change Canada. Archived from the original on 23 December 2023. Retrieved 23 December 2023.
- ^ "Churchill A". Canadian Climate Normals 1981–2010. Environment and Climate Change Canada. 31 October 2011. Archived from the original on 23 December 2023. Retrieved 7 May 2014.
- ^ "Churchill Marine". Canadian Climate Data. Environment and Climate Change Canada. 31 October 2011. Retrieved 17 February 2017.
- ^ "Churchill Climate". Canadian Climate Data. Environment and Climate Change Canada. 31 October 2011. Retrieved 17 February 2017.
- ^ "Canadian Climate Normals 1951–1980 Volume 2: Temperature" (PDF). Environment Canada. Archived from the original (PDF) on 2023-08-09. Retrieved October 24, 2020.
- ^ "Canadian Climate Normals 1951–1980 Volume 8: Atmospheric, Pressure, Temperature and Humidity" (PDF). Environment Canada. Archived from the original (PDF) on 2023-08-09. Retrieved August 11, 2023.