Template:Calgary weatherbox
| Climate data for Calgary (Calgary International Airport) WMO ID: 71877; coordinates 51°06′50″N 114°01′13″W / 51.11389°N 114.02028°W; elevation: 1,084.1 m (3,557 ft); 1991–2020 normals, extremes 1881–present[a] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high humidex | 17.3 | 21.9 | 25.2 | 27.2 | 31.6 | 37.0 | 36.9 | 36.4 | 32.9 | 28.7 | 22.6 | 19.4 | 37.0 |
| Record high °C (°F) | 17.6 (63.7) |
22.6 (72.7) |
25.4 (77.7) |
29.4 (84.9) |
32.4 (90.3) |
36.3 (97.3) |
36.3 (97.3) |
36.7 (98.1) |
33.3 (91.9) |
29.4 (84.9) |
23.1 (73.6) |
19.5 (67.1) |
36.7 (98.1) |
| Mean maximum °C (°F) | 9 (48) |
10 (50) |
15 (59) |
22 (72) |
26 (79) |
27 (81) |
31 (88) |
31 (88) |
28 (82) |
22 (72) |
14 (57) |
8 (46) |
32.5 (90.5) |
| Mean daily maximum °C (°F) | −1.5 (29.3) |
0.1 (32.2) |
3.8 (38.8) |
10.8 (51.4) |
16.4 (61.5) |
19.7 (67.5) |
23.5 (74.3) |
23.1 (73.6) |
18.3 (64.9) |
11.1 (52.0) |
4.1 (39.4) |
−0.4 (31.3) |
10.8 (51.4) |
| Daily mean °C (°F) | −7.6 (18.3) |
−5.9 (21.4) |
−2.2 (28.0) |
4.5 (40.1) |
9.9 (49.8) |
13.7 (56.7) |
16.9 (62.4) |
16.2 (61.2) |
11.5 (52.7) |
4.9 (40.8) |
−1.7 (28.9) |
−6.3 (20.7) |
4.5 (40.1) |
| Mean daily minimum °C (°F) | −13.5 (7.7) |
−11.8 (10.8) |
−8.1 (17.4) |
−1.9 (28.6) |
3.4 (38.1) |
7.7 (45.9) |
10.2 (50.4) |
9.2 (48.6) |
4.7 (40.5) |
−1.3 (29.7) |
−7.5 (18.5) |
−12.1 (10.2) |
−1.8 (28.8) |
| Mean minimum °C (°F) | −29 (−20) |
−24 (−11) |
−21 (−6) |
−10 (14) |
−3 (27) |
2 (36) |
5 (41) |
3 (37) |
−2 (28) |
−11 (12) |
−19 (−2) |
−25 (−13) |
−31.5 (−24.7) |
| Record low °C (°F) | −44.4 (−47.9) |
−45 (−49) |
−37.2 (−35.0) |
−30 (−22) |
−16.7 (1.9) |
−3.3 (26.1) |
−0.6 (30.9) |
−3.2 (26.2) |
−13.3 (8.1) |
−25.7 (−14.3) |
−35 (−31) |
−42.8 (−45.0) |
−45 (−49) |
| Record low wind chill | −52.1 | −52.6 | −44.7 | −37.1 | −23.7 | −5.8 | 0.0 | −4.1 | −12.5 | −34.3 | −47.9 | −55.1 | −55.1 |
| Average precipitation mm (inches) | 10.0 (0.39) |
11.8 (0.46) |
17.7 (0.70) |
29.6 (1.17) |
61.1 (2.41) |
112.7 (4.44) |
65.7 (2.59) |
53.8 (2.12) |
37.1 (1.46) |
17.1 (0.67) |
16.3 (0.64) |
12.5 (0.49) |
445.4 (17.54) |
| Average rainfall mm (inches) | 0.1 (0.00) |
0.1 (0.00) |
1.1 (0.04) |
12.6 (0.50) |
52.5 (2.07) |
112.5 (4.43) |
65.7 (2.59) |
53.5 (2.11) |
33.8 (1.33) |
8.3 (0.33) |
1.7 (0.07) |
0.3 (0.01) |
342.2 (13.47) |
| Average snowfall cm (inches) | 16.6 (6.5) |
16.9 (6.7) |
23.8 (9.4) |
22.9 (9.0) |
9.6 (3.8) |
0.2 (0.1) |
0.0 (0.0) |
0.0 (0.0) |
2.2 (0.9) |
11.5 (4.5) |
18.8 (7.4) |
16.3 (6.4) |
138.7 (54.6) |
| Average precipitation days (≥ 0.2 mm) | 7.4 | 7.8 | 8.8 | 9.8 | 11.1 | 14.5 | 12.9 | 10.4 | 8.3 | 7.8 | 8.0 | 7.2 | 114.0 |
| Average rainy days (≥ 0.2 mm) | 0.3 | 0.22 | 0.83 | 4.8 | 10.0 | 14.5 | 12.9 | 10.0 | 7.7 | 4.4 | 1.5 | 0.22 | 67.4 |
| Average snowy days (≥ 0.2 cm) | 7.8 | 7.9 | 9.3 | 7.0 | 2.4 | 0.08 | 0.0 | 0.13 | 0.96 | 4.6 | 7.1 | 7.7 | 55.0 |
| Average relative humidity (%) (at 1500 LST) | 55.7 | 54.7 | 50.2 | 42.7 | 43.8 | 49.2 | 46.8 | 44.3 | 44.3 | 45.3 | 54.2 | 56.3 | 49.0 |
| Mean monthly sunshine hours | 119.5 | 144.6 | 177.2 | 220.2 | 249.4 | 269.9 | 314.1 | 284.0 | 207.0 | 175.4 | 121.1 | 114.0 | 2,396.3 |
| Percentage possible sunshine | 45.6 | 51.3 | 48.2 | 53.1 | 51.8 | 54.6 | 63.1 | 62.9 | 54.4 | 52.7 | 45.0 | 46.0 | 52.4 |
| Average ultraviolet index | 1 | 1 | 2 | 4 | 6 | 7 | 7 | 6 | 4 | 2 | 1 | 0 | 3 |
| Source: Environment and Climate Change Canada,[1] Meteoblue (for monthly mean minima and maxima),[2] Extreme Weather Watch (for yearly mean minima and maxima),[3][4] and Weather Atlas[5] (for UV index) | |||||||||||||
Notes
[edit]- ^ Mean monthly maxima and minima are from 1995-2025, mean yearly maxima and minima are calculated by average of 1991-2020 records
References
- ^ "Canadian Climate Normals 1991–2020". Environment and Climate Change Canada. Retrieved June 1, 2024.
- ^ "Simulated historical climate & weather data for Calgary". Meteoblue. Retrieved June 10, 2025.
- ^ "Lowest Temperatures in Calgary by Year". Extreme Weather Watch. Retrieved June 10, 2025.
- ^ "Highest Temperatures in Calgary by Year". Extreme Weather Watch. Retrieved June 10, 2025.
- ^ "Calgary, Canada - Detailed climate information and monthly weather forecast". Weather Atlas. Archived from the original on July 6, 2019. Retrieved July 6, 2019.