Sudbury Weather in 2021

Historical record of Sudbury, Ontario weather for the year 2021 based on NOAA data.
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Year:
2021 Sudbury Weather Extremes
Highest temperature 31.3 °C June 6
Lowest temperature -25.4 °C February 12
Highest daily low 20.1 °C August 10
Lowest daily high -16.1 °C February 12
Most daily precipitation 3.4 cm July 24
Most daily snow 14.0 cm November 25
Total annual precipitation 80.6 cm -
Total annual snow 177.6 cm -
Highest Temperatures in Sudbury in 2021
Rank Temperature Date
1 31.3 °C Jun 6
2 31.0 °C Jun 7
3 30.9 °C Aug 20
4 30.8 °C Jul 19
4 30.8 °C Jun 8
6 29.9 °C Aug 25
6 29.9 °C Aug 21
8 29.8 °C Aug 24
9 29.6 °C Aug 19
10 29.2 °C May 21
Lowest Temperatures in Sudbury in 2021
Rank Temperature Date
1 -25.4 °C February 12
2 -25.2 °C February 10
3 -24.5 °C February 11
4 -24.1 °C February 17
5 -23.4 °C March 2
6 -23.3 °C January 30
7 -23.1 °C December 23
8 -22.8 °C January 31
9 -22.4 °C March 7
10 -22.3 °C January 28
January 2021 Sudbury Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
-2.0 -4.8 0.00 0.0
January 2
-2.4 -5.3 0.00 0.0
January 3
-1.4 -4.3 0.00 0.0
January 4
n/a n/a 0.00 0.0
January 5
-0.6 -2.5 0.00 0.4
January 6
-0.9 -6.2 0.00 0.8
January 7
n/a n/a n/a n/a
January 8
-4.1 -15.0 0.00 0.0
January 9
-6.5 -12.8 0.00 0.0
January 10
-3.9 -11.7 0.00 0.0
January 11
-2.2 -4.3 0.00 0.2
January 12
-1.1 -4.1 0.02 0.6
January 13
-0.5 -1.3 0.00 0.0
January 14
-0.4 -2.4 0.00 0.0
January 15
1.1 -1.2 0.08 0.8
January 16
-0.4 -5.5 0.44 6.6
January 17
-5.6 -13.9 0.04 0.8
January 18
-10.9 -18.7 0.00 0.0
January 19
-6.3 -18.4 0.06 1.4
January 20
-7.8 -20.5 0.16 3.0
January 21
0.0 -8.8 0.06 1.0
January 22
-9.3 -18.1 0.00 0.0
January 23
-12.8 -21.0 0.00 0.0
January 24
-10.6 -15.8 0.14 4.0
January 25
-4.2 -13.6 0.08 2.0
January 26
-8.6 -14.7 0.00 0.0
January 27
-9.4 -20.5 0.00 0.0
January 28
-15.3 -22.3 0.00 0.0
January 29
-11.7 -20.4 0.00 0.0
January 30
-10.8 -23.3 0.00 0.0
January 31
-12.1 -22.8 0.00 0.0
February 2021 Sudbury Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
-6.5 -20.4 0.00 0.0
February 2
-3.2 -14.6 0.00 0.0
February 3
-0.4 -14.2 0.00 0.0
February 4
1.3 -13.1 0.00 0.0
February 5
n/a n/a 0.56 13.4
February 6
n/a n/a 0.04 0.4
February 7
-10.6 -18.6 0.00 0.4
February 8
-10.6 -21.1 0.00 0.2
February 9
-10.2 -18.9 0.00 0.3
February 10
-10.5 -25.2 0.00 0.0
February 11
-15.5 -24.5 0.00 0.0
February 12
-16.1 -25.4 0.00 0.0
February 13
n/a n/a 0.02 1.4
February 14
n/a n/a 0.02 0.4
February 15
n/a n/a 0.00 0.0
February 16
-12.1 -19.8 0.34 4.4
February 17
-5.8 -24.1 0.00 0.0
February 18
n/a n/a 0.00 0.0
February 19
-5.6 -15.6 0.00 0.0
February 20
-4.0 -17.1 0.00 0.0
February 21
-4.3 -13.1 0.06 1.2
February 22
-1.4 -7.0 0.44 8.5
February 23
4.1 -1.9 0.66 9.4
February 24
-1.1 -11.6 0.59 8.0
February 25
-8.8 -19.0 0.00 0.2
February 26
1.7 -13.3 0.00 0.0
February 27
2.0 -7.0 0.04 0.5
February 28
7.0 -2.5 0.33 0.0
March 2021 Sudbury Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
1.4 -20.8 0.00 0.0
March 2
-2.5 -23.4 0.20 2.4
March 3
-1.8 -10.5 0.00 0.0
March 4
-8.6 -17.9 0.00 0.0
March 5
-3.8 -16.5 0.00 0.0
March 6
-5.5 -14.7 0.00 0.2
March 7
-8.0 -22.4 0.00 0.0
March 8
3.8 -13.2 0.02 1.0
March 9
7.2 -3.3 0.00 0.0
March 10
7.6 -0.9 0.64 n/a
March 11
10.2 -1.6 0.00 n/a
March 12
1.4 -12.2 0.00 0.0
March 13
0.9 -13.5 0.00 0.0
March 14
-1.9 -12.2 0.00 0.0
March 15
-3.2 -15.7 0.00 0.0
March 16
4.5 -9.2 0.00 0.0
March 17
3.1 -4.8 0.00 0.0
March 18
-0.3 -8.0 0.00 0.0
March 19
4.9 -10.7 0.00 0.0
March 20
12.1 -4.8 0.00 0.0
March 21
12.2 -2.5 0.00 0.0
March 22
14.8 0.6 0.00 0.0
March 23
15.6 3.6 0.00 n/a
March 24
12.6 2.6 0.62 n/a
March 25
7.2 -1.1 0.04 0.0
March 26
-0.9 -4.3 0.00 0.0
March 27
n/a n/a 0.00 0.0
March 28
0.0 -6.0 2.66 13.0
March 29
0.5 -10.8 0.00 0.0
March 30
12.7 -2.9 0.11 n/a
March 31
4.8 -6.4 0.05 0.0
April 2021 Sudbury Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
-0.5 -11.8 0.00 0.0
April 2
4.9 -11.8 0.00 0.0
April 3
8.6 -5.4 0.00 0.0
April 4
13.6 -2.0 0.00 0.0
April 5
13.7 -0.6 0.00 0.0
April 6
10.7 1.9 0.00 n/a
April 7
20.0 4.8 0.00 0.0
April 8
24.0 8.4 0.00 0.0
April 9
16.7 10.6 0.37 n/a
April 10
20.0 9.6 0.00 n/a
April 11
20.8 9.1 0.33 0.0
April 12
14.6 7.4 0.04 n/a
April 13
11.1 3.4 0.33 n/a
April 14
14.0 0.8 0.00 0.0
April 15
4.8 1.0 0.62 n/a
April 16
5.1 0.0 0.25 3.0
April 17
n/a n/a 0.00 0.0
April 18
11.9 4.2 0.11 n/a
April 19
12.7 -1.1 0.04 n/a
April 20
0.7 -7.2 0.02 0.2
April 21
0.1 -10.1 0.00 n/a
April 22
7.0 -5.4 0.00 0.0
April 23
17.3 -2.6 0.00 0.0
April 24
16.0 4.3 0.02 0.0
April 25
5.8 -6.0 0.24 n/a
April 26
8.4 -8.2 0.00 0.0
April 27
13.5 0.8 0.13 n/a
April 28
8.1 2.2 1.87 n/a
April 29
18.0 2.5 0.03 0.0
April 30
10.4 -2.5 0.14 0.0
May 2021 Sudbury Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
May 1
7.3 -4.6 0.02 0.0
May 2
14.4 0.3 0.00 0.0
May 3
7.6 3.1 0.63 n/a
May 4
n/a n/a 1.60 n/a
May 5
9.2 -0.6 0.05 0.0
May 6
9.9 -0.9 0.05 n/a
May 7
10.1 -1.3 0.00 0.0
May 8
11.0 -0.5 0.00 0.0
May 9
12.7 0.0 0.00 0.0
May 10
10.0 0.2 0.11 n/a
May 11
11.7 0.2 0.24 n/a
May 12
18.1 0.4 0.00 0.0
May 13
20.7 4.2 0.00 0.0
May 14
21.9 3.9 0.00 0.0
May 15
20.8 8.2 0.07 0.0
May 16
22.5 7.0 0.00 0.0
May 17
21.7 6.2 0.15 n/a
May 18
27.6 8.6 0.00 0.0
May 19
25.6 11.1 0.00 0.0
May 20
28.4 15.0 0.00 n/a
May 21
29.2 17.0 0.00 0.0
May 22
28.0 16.9 0.05 n/a
May 23
20.1 4.5 0.29 n/a
May 24
21.1 4.1 0.00 0.0
May 25
25.7 11.9 1.65 n/a
May 26
22.5 4.3 0.00 0.0
May 27
10.1 1.9 0.00 0.0
May 28
13.3 0.2 0.00 0.0
May 29
17.0 2.6 0.00 0.0
May 30
20.6 2.9 0.00 0.0
May 31
21.6 6.9 0.00 0.0
June 2021 Sudbury Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
June 1
n/a n/a 0.00 0.0
June 2
24.2 9.0 0.00 0.0
June 3
24.0 10.4 0.00 0.0
June 4
27.5 10.7 0.00 0.0
June 5
n/a n/a 0.12 n/a
June 6
31.3 14.0 0.00 0.0
June 7
31.0 15.5 0.00 0.0
June 8
30.8 18.4 1.58 n/a
June 9
24.8 13.4 1.61 n/a
June 10
24.0 10.6 0.63 n/a
June 11
19.4 11.9 0.07 n/a
June 12
21.9 10.9 0.00 0.0
June 13
25.9 13.2 1.16 n/a
June 14
21.6 12.7 0.40 n/a
June 15
n/a n/a 0.00 0.0
June 16
n/a n/a 0.00 0.0
June 17
24.6 5.8 0.00 0.0
June 18
25.1 14.0 0.00 n/a
June 19
23.9 11.3 0.00 0.0
June 20
23.8 10.7 0.00 0.0
June 21
20.6 4.5 1.70 0.0
June 22
14.4 1.6 0.18 0.0
June 23
19.3 5.9 0.00 0.0
June 24
20.7 14.5 0.05 0.0
June 25
22.2 14.9 0.50 0.0
June 26
22.9 16.9 2.12 0.0
June 27
21.6 17.4 0.69 0.0
June 28
25.6 17.3 0.16 0.0
June 29
22.8 16.9 0.02 0.0
June 30
25.7 13.6 0.99 0.0
July 2021 Sudbury Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
July 1
15.5 12.1 0.12 0.0
July 2
23.4 11.6 0.00 0.0
July 3
26.7 14.5 0.00 0.0
July 4
26.9 12.7 0.00 0.0
July 5
25.4 16.6 0.08 0.0
July 6
26.0 13.2 0.30 0.0
July 7
18.1 11.7 0.00 0.0
July 8
16.1 10.5 0.00 0.0
July 9
24.2 10.3 0.00 0.0
July 10
26.9 10.0 0.00 0.0
July 11
27.5 11.6 0.00 0.0
July 12
28.3 15.3 0.00 0.0
July 13
24.7 17.8 2.46 0.0
July 14
26.4 16.9 1.10 0.0
July 15
21.3 12.8 1.32 0.0
July 16
27.1 11.2 0.00 0.0
July 17
29.1 14.1 0.00 0.0
July 18
28.6 16.6 0.00 0.0
July 19
30.8 16.8 0.00 0.0
July 20
18.9 10.0 0.37 0.0
July 21
23.0 10.5 0.00 0.0
July 22
24.1 10.9 0.00 0.0
July 23
26.6 11.2 0.00 0.0
July 24
18.7 14.6 3.36 0.0
July 25
26.1 15.3 0.00 0.0
July 26
25.4 13.4 0.40 0.0
July 27
22.8 14.5 0.00 0.0
July 28
23.9 12.3 0.18 0.0
July 29
25.1 11.7 0.30 0.0
July 30
18.9 9.5 0.00 0.0
July 31
16.9 12.1 0.41 0.0
August 2021 Sudbury Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
21.9 9.0 0.02 0.0
August 2
24.1 7.8 0.00 0.0
August 3
25.1 13.7 0.61 0.0
August 4
26.4 13.3 0.00 0.0
August 5
27.1 15.4 0.00 0.0
August 6
23.7 16.4 0.14 0.0
August 7
18.6 13.9 0.00 0.0
August 8
21.3 14.5 0.79 0.0
August 9
28.6 18.8 0.77 0.0
August 10
24.8 20.1 2.97 0.0
August 11
28.4 18.7 0.95 0.0
August 12
27.4 18.5 0.16 0.0
August 13
24.6 13.2 0.00 0.0
August 14
20.4 8.9 0.00 0.0
August 15
24.2 9.6 0.00 0.0
August 16
27.1 14.6 0.00 0.0
August 17
26.7 15.6 0.00 0.0
August 18
27.7 11.5 0.00 0.0
August 19
29.6 16.1 0.00 0.0
August 20
30.9 18.2 0.00 0.0
August 21
29.9 18.7 0.00 0.0
August 22
26.6 17.8 0.00 0.0
August 23
27.4 14.4 0.00 0.0
August 24
29.8 14.9 0.00 0.0
August 25
29.9 19.0 0.00 0.0
August 26
26.2 13.7 0.00 0.0
August 27
15.9 12.2 0.38 0.0
August 28
20.9 12.8 0.30 0.0
August 29
27.6 16.5 1.50 0.0
August 30
25.1 13.1 0.00 0.0
August 31
22.9 9.8 0.00 0.0
September 2021 Sudbury Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
n/a n/a 0.00 0.0
September 2
18.4 4.3 0.00 0.0
September 3
20.4 9.9 0.00 0.0
September 4
n/a n/a 0.86 0.0
September 5
21.8 10.8 0.05 0.0
September 6
19.8 8.3 0.00 0.0
September 7
19.1 7.8 0.12 0.0
September 8
19.0 12.0 1.11 0.0
September 9
19.9 8.6 0.00 0.0
September 10
20.6 7.6 0.00 0.0
September 11
23.4 11.2 3.14 0.0
September 12
18.8 8.5 0.00 0.0
September 13
17.4 8.9 0.00 0.0
September 14
19.9 8.4 1.12 0.0
September 15
21.0 7.3 0.00 0.0
September 16
21.8 7.4 0.00 0.0
September 17
25.0 11.8 0.00 0.0
September 18
18.9 6.4 0.00 0.0
September 19
20.7 6.3 0.00 0.0
September 20
24.4 10.1 0.00 0.0
September 21
19.4 8.6 2.14 0.0
September 22
9.2 7.0 0.17 0.0
September 23
9.6 6.4 0.90 0.0
September 24
13.3 8.7 0.51 0.0
September 25
n/a n/a 1.02 0.0
September 26
n/a n/a 0.02 0.0
September 27
16.4 3.0 0.03 0.0
September 28
17.6 1.4 0.00 0.0
September 29
15.4 4.4 0.00 0.0
September 30
11.1 5.7 0.00 0.0
October 2021 Sudbury Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
n/a n/a 0.00 0.0
October 2
16.7 13.1 1.93 0.0
October 3
13.7 12.0 0.12 0.0
October 4
18.6 10.4 0.00 0.0
October 5
19.4 7.1 0.00 0.0
October 6
19.6 7.8 0.00 0.0
October 7
n/a n/a 0.00 0.0
October 8
21.6 8.7 0.00 0.0
October 9
16.5 13.3 2.89 0.0
October 10
17.4 15.8 0.34 0.0
October 11
21.5 15.1 0.00 0.0
October 12
20.6 15.5 1.76 0.0
October 13
20.1 13.2 0.09 0.0
October 14
n/a n/a 1.07 0.0
October 15
18.5 9.5 0.17 0.0
October 16
n/a n/a 0.08 0.0
October 17
12.2 4.5 0.00 0.0
October 18
n/a n/a 0.00 0.0
October 19
23.0 1.7 0.00 0.0
October 20
11.9 4.8 0.00 0.0
October 21
4.9 -1.1 1.23 0.0
October 22
5.1 -1.0 0.00 0.0
October 23
9.6 0.6 0.00 0.0
October 24
7.0 1.8 0.11 0.0
October 25
7.7 2.6 0.06 0.0
October 26
5.9 1.8 0.00 0.0
October 27
11.8 4.4 0.00 0.0
October 28
12.6 2.2 0.00 0.0
October 29
14.4 1.0 0.00 0.0
October 30
10.3 4.5 0.04 0.0
October 31
13.0 1.3 0.12 0.0
November 2021 Sudbury Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
7.6 -2.1 0.00 0.0
November 2
5.1 -4.2 0.00 0.0
November 3
0.6 -7.2 0.00 0.0
November 4
4.5 -6.7 0.00 0.0
November 5
8.7 -2.4 0.00 0.0
November 6
9.2 3.2 0.00 0.0
November 7
12.5 4.6 0.16 0.0
November 8
15.0 3.8 0.00 0.0
November 9
9.6 -0.4 0.00 0.0
November 10
8.9 -1.8 0.00 0.0
November 11
6.6 -2.3 0.14 0.0
November 12
9.4 1.7 0.98 0.0
November 13
5.2 -2.9 0.13 0.0
November 14
0.6 -4.0 0.00 0.0
November 15
2.9 -4.0 0.00 0.2
November 16
-1.4 -6.0 0.00 0.0
November 17
1.7 -4.8 0.16 1.0
November 18
3.8 -1.7 0.00 0.0
November 19
n/a n/a 0.00 0.0
November 20
3.3 -3.0 0.09 0.0
November 21
3.5 -2.3 0.93 0.0
November 22
-2.4 -8.2 0.00 0.0
November 23
-2.0 -8.0 0.00 0.0
November 24
4.7 -3.9 0.00 0.0
November 25
4.0 -8.3 1.46 14.0
November 26
-7.9 -17.0 0.30 3.5
November 27
-9.1 -20.1 0.00 0.0
November 28
n/a n/a 0.00 0.0
November 29
-3.3 -7.3 0.02 0.5
November 30
-0.8 -6.9 0.18 3.6
December 2021 Sudbury Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
n/a n/a 0.12 2.0
December 2
n/a n/a 0.44 0.8
December 3
-7.8 -16.3 0.04 1.0
December 4
-1.5 -11.2 0.26 4.2
December 5
-5.8 -13.4 0.13 8.6
December 6
-0.7 -15.3 0.23 4.3
December 7
-13.2 -22.2 0.00 0.5
December 8
-6.5 -16.9 0.34 6.8
December 9
-7.6 -20.6 0.20 3.0
December 10
0.3 -7.7 0.12 2.4
December 11
6.9 -4.3 1.61 6.2
December 12
3.2 -4.1 0.00 0.0
December 13
5.8 -0.9 0.00 0.0
December 14
-0.2 -5.4 0.00 0.0
December 15
3.8 -4.2 0.32 0.0
December 16
9.6 -1.2 0.16 0.5
December 17
-1.2 -8.5 0.00 0.0
December 18
-7.9 -14.7 0.12 1.2
December 19
n/a n/a 0.00 0.0
December 20
0.3 -10.2 0.06 1.4
December 21
-5.8 -13.5 0.68 10.0
December 22
-5.5 -21.9 0.10 1.0
December 23
-7.5 -23.1 0.08 3.0
December 24
-1.9 -7.5 0.14 0.0
December 25
2.3 -3.6 0.23 0.0
December 26
n/a n/a 0.00 0.0
December 27
-9.7 -17.2 0.35 4.4
December 28
-4.7 -10.2 0.16 2.0
December 29
-1.9 -11.4 0.06 1.4
December 30
-4.2 -9.9 0.00 0.0
December 31
0.2 -9.3 0.00 0.0
Weather Station Details
Years Station Coordinates
2013–2024 Sudbury A location
1955–2013 Sudbury A location
1887–1954 Sudbury location