Calgary Weather in 2021

Historical record of Calgary, Alberta weather for the year 2021 based on NOAA data.
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Year:
2021 Calgary Weather Extremes
Highest temperature 36.3 °C July 1
Lowest temperature -32.9 °C December 27
Highest daily low 18.8 °C August 2
Lowest daily high -28.0 °C December 27
Most daily precipitation 3.1 cm August 17
Most daily snow 8.6 cm February 3
Total annual precipitation 32.3 cm -
Total annual snow 103.6 cm -
Highest Temperatures in Calgary in 2021
Rank Temperature Date
1 36.3 °C Jul 1
1 36.3 °C Jun 29
3 35.9 °C Jun 30
4 34.6 °C Jun 28
5 34.2 °C Aug 14
6 33.4 °C Aug 1
7 33.0 °C Jun 14
8 32.2 °C Aug 13
9 31.9 °C Aug 3
10 31.4 °C Jul 10
Lowest Temperatures in Calgary in 2021
Rank Temperature Date
1 -32.9 °C December 27
2 -30.8 °C February 11
3 -30.4 °C December 28
4 -30.3 °C December 26
5 -29.8 °C February 10
6 -29.3 °C February 8
7 -29.1 °C February 7
8 -29.0 °C February 9
9 -28.4 °C December 31
10 -27.9 °C December 25
January 2021 Calgary Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
3.4 -6.0 0.00 0.0
8.4 -6.6 0.00 0.0
5.3 -6.6 0.00 0.0
3.4 -7.3 0.00 0.0
4.9 -3.1 0.00 0.0
5.2 -6.8 0.00 0.0
3.7 -9.0 0.00 n/a
-1.7 -15.0 0.00 n/a
-0.1 -12.5 0.00 0.0
7.7 -13.7 0.00 0.0
8.7 -1.1 0.00 0.0
8.2 -2.3 0.00 0.0
7.5 -0.2 0.02 0.0
1.8 -6.8 0.00 0.0
8.7 -7.8 0.00 0.0
5.2 -2.0 0.00 0.0
6.8 -2.7 0.00 0.0
2.9 -5.8 0.00 0.0
9.7 -9.5 0.00 0.0
4.4 -9.6 0.00 0.0
-1.4 -9.2 0.00 0.0
-3.2 -11.9 0.00 0.0
-2.6 -15.6 0.02 0.2
-13.3 -16.3 0.04 0.4
-13.7 -17.5 0.08 0.8
-12.7 -17.0 0.11 1.4
-11.8 -14.6 0.14 4.6
-13.2 -15.7 0.03 0.3
-5.9 -15.6 0.00 n/a
-0.1 -16.0 0.00 0.0
4.5 -12.0 0.00 0.0
February 2021 Calgary Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
9.4 -9.4 0.00 0.0
-8.2 -13.2 0.36 4.0
-11.8 -19.1 0.78 8.6
0.6 -19.3 0.04 0.8
-6.6 -21.4 0.34 5.8
-19.8 -24.0 0.28 3.3
-23.2 -29.1 0.00 0.0
-23.8 -29.3 0.02 0.2
-24.3 -29.0 0.00 0.0
-26.0 -29.8 0.00 0.0
-24.9 -30.8 0.00 0.0
-17.7 -27.1 0.02 0.6
n/a n/a 0.00 0.0
n/a n/a 0.00 0.0
n/a n/a 0.00 0.0
-4.7 -21.8 0.31 3.3
-6.2 -13.9 0.04 0.4
-3.3 -17.7 0.00 0.0
3.8 -6.1 0.00 0.0
3.4 -6.0 0.00 0.0
8.5 -0.9 0.00 0.0
8.3 -1.1 0.38 4.0
1.7 -4.8 0.00 n/a
1.8 -9.2 0.00 0.0
4.6 -2.7 0.00 0.0
0.2 -13.2 0.22 2.8
-5.8 -14.6 0.00 0.0
7.0 -7.7 0.00 0.0
March 2021 Calgary Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
10.2 0.1 0.00 0.0
6.4 -3.6 0.00 0.0
8.6 -3.3 0.00 0.0
10.8 -4.9 0.00 0.0
n/a n/a 0.00 0.0
5.7 -2.3 0.03 0.3
7.6 -5.2 0.00 0.0
5.7 -2.5 0.00 0.0
5.9 -4.7 0.00 0.0
n/a n/a 0.00 0.0
n/a n/a 0.00 0.0
13.7 -1.9 0.00 0.0
15.4 -3.6 0.00 0.0
18.7 -2.9 0.00 0.0
8.7 -2.7 0.00 0.0
9.1 -6.3 0.00 0.0
12.7 -6.7 0.00 0.0
17.0 -3.3 0.00 0.0
14.7 2.1 0.00 0.0
10.6 -2.4 0.00 0.0
7.6 -3.3 0.00 0.0
6.8 -2.3 0.00 0.0
5.4 -5.1 0.00 0.0
9.1 -1.8 0.18 3.8
-2.0 -5.8 0.17 2.8
2.5 -5.1 0.14 2.2
12.9 -3.0 0.00 0.0
14.5 -2.2 0.14 1.0
-1.8 -10.6 0.08 0.8
4.5 -9.8 0.00 0.0
12.1 -4.2 0.00 0.0
April 2021 Calgary Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
16.7 -0.8 0.00 0.0
11.9 -2.3 0.00 0.0
15.0 -1.4 0.00 0.0
6.6 -2.8 0.02 0.0
13.2 -5.3 0.00 0.0
15.4 -0.4 0.00 0.0
17.0 -0.8 0.00 0.0
6.3 -2.8 0.02 0.0
11.5 -5.0 0.00 0.0
8.0 -4.8 0.00 0.0
5.7 -4.9 0.00 0.0
4.6 -5.0 0.00 0.0
7.5 -9.6 0.00 0.0
12.8 -4.4 0.00 0.0
14.9 -3.3 0.00 0.0
18.1 -2.8 0.00 0.0
20.4 -0.4 0.00 0.0
11.2 -3.0 0.76 7.2
5.1 -2.4 0.00 0.0
11.2 -4.8 0.00 0.0
19.2 -1.2 0.00 0.0
n/a n/a 0.11 1.1
2.8 -4.9 0.02 0.2
3.8 -3.2 0.00 0.0
3.8 -0.9 0.14 1.4
14.5 -3.3 0.00 0.0
14.8 1.8 0.00 0.0
18.1 -1.5 0.00 0.0
20.4 1.7 0.00 0.0
21.7 7.2 0.00 0.0
May 2021 Calgary Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
12.9 1.0 0.02 0.0
10.8 1.0 0.02 0.0
13.3 -1.5 0.02 0.0
12.5 2.4 0.19 0.0
14.3 1.7 0.00 0.0
19.7 2.7 0.00 0.0
16.5 5.8 0.00 0.0
5.8 0.5 0.15 0.3
2.9 0.4 0.66 5.8
13.6 -3.0 0.00 0.0
n/a n/a n/a n/a
17.8 0.2 0.00 0.0
16.8 6.5 0.03 0.0
19.4 2.4 0.00 0.0
22.3 3.7 0.00 0.0
25.1 10.1 0.00 0.0
27.2 10.3 0.00 0.0
16.8 6.6 0.00 0.0
7.5 0.8 0.07 0.0
2.8 -1.8 0.14 1.2
11.3 0.1 0.00 0.0
13.8 -0.5 0.00 0.0
10.6 1.8 0.91 0.0
10.4 1.9 0.76 0.0
11.6 6.7 0.16 0.0
19.4 4.7 0.00 0.0
22.8 4.7 0.00 0.0
17.7 6.3 0.37 0.5
19.3 5.0 0.00 0.0
22.4 5.8 0.00 0.0
24.6 9.7 0.00 0.0
June 2021 Calgary Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
27.1 11.9 0.00 0.0
30.8 11.3 0.00 0.0
n/a n/a 0.00 0.0
28.4 13.6 0.04 0.0
16.4 8.9 0.56 0.0
15.8 5.5 0.32 0.0
13.0 4.7 0.07 0.0
15.1 3.7 0.00 0.0
15.0 5.7 0.22 0.0
13.0 7.8 0.15 0.0
19.6 4.1 0.00 0.0
21.3 5.6 0.00 0.0
29.4 4.3 0.00 0.0
33.0 13.5 0.00 0.0
26.8 14.1 0.00 0.0
20.9 11.2 0.02 0.0
24.0 7.6 0.00 0.0
24.7 6.7 0.00 0.0
16.9 10.6 0.21 0.0
22.3 10.2 0.00 0.0
27.8 8.5 0.00 0.0
31.2 12.0 0.00 0.0
24.5 13.3 0.00 0.0
19.9 11.2 1.44 0.0
27.2 13.1 0.00 0.0
n/a n/a 0.00 0.0
n/a n/a n/a n/a
34.6 16.3 0.00 0.0
36.3 18.3 0.00 0.0
35.9 18.2 0.00 0.0
July 2021 Calgary Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
36.3 17.8 0.00 0.0
30.1 15.3 2.46 0.0
26.1 15.1 0.00 0.0
19.6 12.8 1.25 0.0
18.1 12.9 0.12 0.0
23.7 13.9 0.00 0.0
25.5 12.0 0.68 0.0
26.4 13.5 1.10 0.0
27.7 12.7 0.00 0.0
31.4 14.2 0.00 0.0
23.0 13.7 0.51 0.0
25.4 11.0 0.00 0.0
27.1 12.7 0.00 0.0
30.1 14.5 0.00 0.0
28.7 14.1 0.00 0.0
26.2 16.7 0.00 0.0
23.7 11.9 0.00 0.0
20.6 13.1 0.00 0.0
24.7 12.1 0.00 0.0
22.8 15.5 0.07 0.0
27.6 15.6 0.00 0.0
25.5 10.2 0.00 0.0
27.1 9.3 0.00 0.0
28.3 9.3 0.00 0.0
26.6 10.3 0.00 0.0
25.7 11.6 0.00 0.0
24.6 12.1 0.00 0.0
27.2 12.2 0.00 0.0
28.4 15.2 0.00 0.0
30.6 13.8 0.00 0.0
31.1 13.9 0.00 0.0
August 2021 Calgary Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
33.4 14.3 0.00 0.0
26.1 18.8 0.00 0.0
31.9 18.0 0.06 0.0
28.2 13.7 0.00 0.0
31.2 12.9 0.00 0.0
29.9 15.6 0.00 0.0
26.1 13.9 0.00 0.0
17.0 12.6 0.04 0.0
27.4 9.0 0.00 0.0
22.7 12.9 0.00 0.0
22.8 13.7 0.00 0.0
26.0 13.8 0.00 0.0
32.2 11.3 0.00 0.0
34.2 12.5 0.00 0.0
31.3 15.5 0.00 0.0
20.6 10.7 1.41 0.0
11.7 8.9 3.07 0.0
19.9 5.8 0.00 0.0
14.6 8.3 0.14 0.0
19.0 10.0 0.08 0.0
n/a n/a 0.06 n/a
n/a n/a 1.68 0.0
13.3 6.7 0.66 0.0
16.9 6.4 0.00 0.0
21.0 4.5 0.00 0.0
22.9 6.5 0.16 0.0
20.2 10.7 0.20 0.0
21.9 6.9 0.00 0.0
24.5 8.3 0.00 0.0
24.2 8.9 0.00 0.0
19.0 7.1 0.10 0.0
September 2021 Calgary Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
15.5 6.3 0.00 0.0
16.4 6.7 0.00 0.0
n/a n/a 0.00 0.0
24.9 5.1 0.00 0.0
25.6 14.3 0.00 0.0
23.1 9.3 0.00 0.0
23.8 5.9 0.00 0.0
22.2 9.5 0.00 0.0
27.4 8.8 0.00 0.0
21.0 7.8 0.02 0.0
15.1 10.0 0.94 0.0
16.1 9.2 0.23 0.0
17.5 6.7 0.18 0.0
20.2 5.0 0.00 0.0
14.9 4.1 0.25 0.0
15.2 2.6 0.00 0.0
20.4 0.7 0.00 0.0
23.1 11.4 0.00 0.0
17.5 3.4 0.00 0.0
17.8 1.2 0.00 0.0
23.0 5.4 0.00 0.0
18.4 9.9 0.00 0.0
15.2 4.0 0.00 0.0
25.8 2.7 0.00 0.0
21.9 9.2 0.00 0.0
25.9 8.0 0.00 0.0
23.9 6.8 0.00 0.0
17.5 6.8 0.00 0.0
16.4 2.7 0.00 0.0
22.6 4.7 0.00 0.0
October 2021 Calgary Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
16.4 6.9 0.00 0.0
18.6 0.2 0.00 0.0
20.3 4.2 0.00 0.0
14.4 -1.1 0.00 0.0
23.7 2.8 0.00 0.0
13.2 2.2 0.00 0.0
13.0 -2.1 0.00 0.0
12.5 -2.8 0.00 0.0
17.6 -2.1 0.00 0.0
13.9 0.9 0.10 0.0
6.0 -4.1 0.02 0.2
10.2 -6.3 0.00 0.0
5.1 -6.3 0.00 0.0
10.9 -4.9 0.00 0.0
14.9 -2.7 0.00 0.0
19.1 5.8 0.00 0.0
22.7 1.0 0.00 0.0
5.6 1.1 0.00 0.0
9.8 1.6 0.00 0.0
9.4 -1.7 0.00 0.0
16.1 2.6 0.00 0.0
13.6 0.4 0.00 0.0
9.8 1.5 2.22 0.4
10.4 -2.9 0.00 0.0
13.5 2.4 0.00 0.0
13.3 -0.8 0.00 0.0
11.8 0.2 0.00 0.0
10.3 -1.5 0.00 0.0
3.9 -1.6 0.25 3.6
1.8 -6.0 0.00 0.0
1.9 -9.6 0.00 0.0
November 2021 Calgary Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
-0.7 -11.0 0.00 0.0
14.4 -8.0 0.00 0.0
15.0 -3.4 0.00 0.0
17.2 -1.5 0.00 0.0
13.5 -0.4 0.00 0.0
8.2 -3.2 0.00 0.0
6.4 -5.3 0.00 0.0
6.2 -2.6 0.00 0.0
6.8 -5.9 0.00 0.0
6.4 -1.0 0.00 0.0
4.4 -6.4 0.00 0.0
15.7 -3.9 0.00 0.0
8.8 -1.9 0.00 0.0
10.3 -0.7 0.00 0.0
6.6 0.0 0.15 1.0
5.2 -6.4 0.00 0.0
1.4 -11.8 0.00 0.0
3.8 -6.1 0.00 0.0
4.5 -8.8 0.00 0.0
6.5 -9.7 0.00 0.0
7.9 -10.1 0.00 0.0
14.7 0.3 0.00 0.0
6.1 -8.4 0.12 1.6
3.0 -10.2 0.06 0.6
13.4 -0.5 0.00 0.0
10.8 -2.2 0.00 0.0
1.7 -3.3 0.06 0.6
14.0 -3.9 0.00 0.0
10.1 -0.7 0.00 0.0
9.9 -1.0 0.00 0.0
December 2021 Calgary Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
13.3 -0.4 0.34 3.3
1.5 -3.7 0.03 0.3
-1.4 -7.9 0.02 0.4
-2.5 -8.7 0.03 0.3
-8.8 -15.9 0.00 0.0
-7.7 -15.5 0.12 1.2
-0.3 -14.6 0.00 0.0
7.8 -7.7 0.10 1.0
-0.7 -10.7 0.00 0.0
-0.2 -10.8 0.00 0.0
3.6 -6.5 0.26 3.0
-0.1 -9.8 0.02 0.2
-3.1 -17.0 0.00 0.0
-12.1 -19.8 0.14 1.4
-15.4 -22.2 0.00 0.0
-14.8 -20.5 0.28 3.2
-15.6 -24.6 0.00 0.0
-0.5 -17.9 0.00 0.0
-10.1 -13.4 0.00 0.0
-12.3 -22.7 0.00 0.0
0.9 -17.9 0.00 0.0
4.5 -10.9 0.00 0.0
1.0 -17.5 0.65 6.7
n/a n/a 0.02 0.5
-23.0 -27.9 0.03 1.0
-26.9 -30.3 0.10 1.2
-28.0 -32.9 0.00 0.0
-15.2 -30.4 0.05 0.6
-20.8 -26.6 0.00 0.0
-16.1 -23.4 0.07 1.2
-18.8 -28.4 0.00 0.0
Weather Station Details
Years Station Coordinates
2012–2024 Calgary International Airport location
1881–2012 Calgary International Airport location