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St. Catharines Weather in 1921

Historical record of St. Catharines, Ontario weather for the year 1921 based on NOAA data.
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1921 St. Catharines Weather Extremes
Highest temperature 35.6 °C July 7
Lowest temperature -17.8 °C January 19
Highest daily low 25.0 °C July 28
Lowest daily high -10.6 °C January 18
Most daily precipitation 3.4 cm April 29
Most daily snow 16.5 cm November 10
Total annual precipitation 64.3 cm -
Total annual snow 84.0 cm -
What was the hottest temperature in St. Catharines in 1921?
The highest temperature recorded in St. Catharines, Ontario in 1921 was 35.6 °C which happened 3 different times.
Highest Temperatures: All-Time By Year
Highest Temperatures in St. Catharines in 1921
Rank Temperature Date
1 35.6 °C Jul 7
1 35.6 °C Jul 6
1 35.6 °C Jul 5
4 35.0 °C Jul 4
4 35.0 °C Jul 3
6 33.3 °C Jul 8
6 33.3 °C Jul 2
8 32.8 °C Jun 26
9 32.2 °C Sep 1
9 32.2 °C Jul 27
9 32.2 °C Jul 26
9 32.2 °C Jul 25
9 32.2 °C Jul 14
9 32.2 °C Jul 13
What was the coldest temperature in St. Catharines in 1921?
The lowest temperature recorded in St. Catharines, Ontario in 1921 was -17.8 °C which happened on Jan 19.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in St. Catharines in 1921
Rank Temperature Date
1 -17.8 °C January 19
2 -15.0 °C January 18
3 -14.4 °C January 25
4 -13.3 °C December 30
4 -13.3 °C December 26
6 -12.8 °C December 21
6 -12.8 °C January 27
8 -12.2 °C December 22
8 -12.2 °C January 26
10 -11.7 °C January 17
January 1921 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
 7.8 -4.4 0.25 0.0
January 2
 11.1 1.1 0.51 0.0
January 3
 5.6 -0.6 0.00 0.0
January 4
 9.4 2.8 0.00 0.0
January 5
 6.1 1.1 0.43 0.0
January 6
 2.8 -3.9 0.00 0.0
January 7
 6.1 -2.8 0.00 0.0
January 8
 5.6 -0.6 0.00 0.0
January 9
 2.2 -5.6 0.00 0.0
January 10
 3.9 -6.7 0.00 0.0
January 11
 3.9 -1.1 0.00 0.0
January 12
 0.6 -7.8 0.00 0.0
January 13
 -2.2 -7.8 0.00 0.0
January 14
 3.3 -4.4 0.00 0.0
January 15
 3.3 -3.3 0.00 0.0
January 16
 1.7 -3.3 0.20 2.0
January 17
 2.2 -11.7 0.00 0.0
January 18
 -10.6 -15.0 0.00 0.0
January 19
 -5.0 -17.8 0.00 0.0
January 20
 7.8 -5.0 0.00 0.0
January 21
 8.3 3.3 0.41 0.0
January 22
 6.7 1.1 0.00 0.0
January 23
 5.0 0.0 0.00 0.0
January 24
 0.6 -10.6 0.00 0.0
January 25
 -10.0 -14.4 0.00 0.0
January 26
 -6.7 -12.2 0.00 0.0
January 27
 1.1 -12.8 0.00 0.0
January 28
 5.0 -8.3 0.00 0.0
January 29
 7.8 -4.4 0.00 0.0
January 30
 4.4 -0.6 0.28 0.0
January 31
 0.0 -7.8 0.00 0.0
February 1921 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
 -1.1 -8.9 0.00 0.0
February 2
 0.0 -2.2 0.00 0.0
February 3
 1.1 -3.3 0.00 0.0
February 4
 6.1 -7.8 0.00 0.0
February 5
 6.1 1.7 0.15 0.0
February 6
 4.4 -1.1 0.10 0.0
February 7
 0.6 -4.4 0.30 3.0
February 8
 1.1 -4.4 0.00 0.0
February 9
 4.4 -3.3 0.08 0.0
February 10
 2.2 0.0 0.00 0.0
February 11
 0.6 -2.2 0.97 9.7
February 12
 2.2 -10.6 0.00 0.0
February 13
 3.3 -3.3 0.00 0.0
February 14
 3.3 -2.2 0.00 0.0
February 15
 5.0 -4.4 0.00 0.0
February 16
 15.6 -1.1 0.00 0.0
February 17
 13.3 -4.4 0.00 0.0
February 18
 0.0 -7.8 0.00 0.0
February 19
 0.0 -5.0 0.00 0.0
February 20
 -2.2 -6.7 0.00 0.0
February 21
 1.7 -8.9 0.00 0.0
February 22
 4.4 -3.9 0.00 0.0
February 23
 2.2 -1.1 0.64 0.0
February 24
 -1.1 -10.6 0.00 0.0
February 25
 -1.1 -10.6 0.00 0.0
February 26
 -3.3 -7.8 0.76 7.6
February 27
 4.4 -4.4 0.00 0.0
February 28
 3.3 -3.9 0.00 0.0
March 1921 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
 4.4 0.6 0.00 0.0
March 2
 10.0 0.6 0.23 0.0
March 3
 7.2 -1.1 0.00 0.0
March 4
 -0.6 -11.1 0.00 0.0
March 5
 5.6 -6.1 0.00 0.0
March 6
 12.2 3.3 0.79 0.0
March 7
 4.4 0.0 0.00 0.0
March 8
 21.1 1.7 0.69 0.0
March 9
 17.8 -1.1 1.50 0.0
March 10
 5.6 -3.3 0.00 0.0
March 11
 11.1 1.1 0.00 0.0
March 12
 10.0 2.8 0.00 0.0
March 13
 5.6 -1.7 0.18 0.0
March 14
 4.4 -1.1 0.00 0.0
March 15
 15.6 1.1 0.03 0.0
March 16
 14.4 2.2 0.46 0.0
March 17
 8.9 1.1 0.23 0.0
March 18
 3.9 -3.3 0.00 0.0
March 19
 12.2 -1.7 0.00 0.0
March 20
 21.1 4.4 0.00 0.0
March 21
 20.0 3.3 0.00 0.0
March 22
 3.9 -2.2 0.00 0.0
March 23
 4.4 -5.6 0.00 0.0
March 24
 14.4 -1.7 0.00 0.0
March 25
 13.9 7.2 0.23 0.0
March 26
 21.7 7.8 0.05 0.0
March 27
 23.3 11.1 0.00 0.0
March 28
 14.4 -4.4 0.48 0.0
March 29
 1.1 -6.1 0.00 0.0
March 30
 14.4 -5.6 0.00 0.0
March 31
 8.9 1.1 0.64 0.0
April 1921 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
 5.6 -1.7 0.00 0.0
April 2
 16.7 -1.1 0.00 0.0
April 3
 16.7 2.8 0.00 0.0
April 4
 22.8 2.2 0.00 0.0
April 5
 27.2 6.1 0.00 0.0
April 6
 27.2 10.0 0.00 0.0
April 7
 20.0 6.1 0.00 0.0
April 8
 25.6 8.9 1.27 0.0
April 9
 17.2 4.4 0.00 0.0
April 10
 5.0 -3.3 0.00 0.0
April 11
 8.9 -3.9 0.00 0.0
April 12
 14.4 1.1 0.00 0.0
April 13
 15.0 6.7 0.00 0.0
April 14
 14.4 5.6 0.00 0.0
April 15
 18.9 10.0 0.38 0.0
April 16
 10.0 0.0 0.69 0.0
April 17
 0.0 -2.2 0.64 6.4
April 18
 8.9 -1.1 0.00 0.0
April 19
 18.9 0.0 0.00 0.0
April 20
 18.9 5.6 0.00 0.0
April 21
 17.2 8.9 1.37 0.0
April 22
 12.8 7.8 0.48 0.0
April 23
 16.7 7.2 0.64 0.0
April 24
 22.2 6.7 0.00 0.0
April 25
 16.1 7.2 0.00 0.0
April 26
 26.1 5.6 0.00 0.0
April 27
 22.2 6.7 0.00 0.0
April 28
 18.3 7.8 0.00 0.0
April 29
 14.4 7.8 3.38 0.0
April 30
 10.0 5.6 0.94 0.0
May 1921 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
May 1
 8.3 4.4 0.00 0.0
May 2
 8.3 4.4 0.00 0.0
May 3
 16.7 1.1 0.00 0.0
May 4
 15.6 5.6 0.00 0.0
May 5
 17.2 6.7 0.00 0.0
May 6
 21.1 3.3 0.00 0.0
May 7
 21.1 9.4 0.00 0.0
May 8
 23.3 6.7 0.00 0.0
May 9
 23.9 6.7 0.00 0.0
May 10
 20.0 8.9 0.00 0.0
May 11
 22.2 3.3 0.00 0.0
May 12
 21.1 8.9 0.10 0.0
May 13
 22.2 11.1 0.00 0.0
May 14
 18.9 8.9 0.00 0.0
May 15
 15.6 6.7 0.00 0.0
May 16
 12.2 1.7 0.00 0.0
May 17
 18.3 1.7 0.00 0.0
May 18
 16.7 10.0 0.00 0.0
May 19
 21.1 4.4 0.00 0.0
May 20
 31.1 7.8 0.00 0.0
May 21
 30.0 16.7 0.00 0.0
May 22
 28.9 17.2 0.43 0.0
May 23
 18.9 10.6 3.12 0.0
May 24
 18.9 6.1 0.00 0.0
May 25
 18.9 12.2 0.64 0.0
May 26
 18.9 10.6 0.00 0.0
May 27
 23.3 7.8 0.00 0.0
May 28
 27.2 12.2 0.00 0.0
May 29
 25.6 15.0 0.10 0.0
May 30
 24.4 15.6 0.00 0.0
May 31
 28.9 13.3 1.75 0.0
June 1921 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
June 1
 22.2 11.1 0.00 0.0
June 2
 23.3 5.6 0.00 0.0
June 3
 26.7 14.4 0.99 0.0
June 4
 18.3 11.1 0.00 0.0
June 5
 20.0 5.6 0.00 0.0
June 6
 18.3 5.6 0.00 0.0
June 7
 20.0 7.8 0.00 0.0
June 8
 23.3 7.8 0.00 0.0
June 9
 26.7 10.0 0.00 0.0
June 10
 28.9 14.4 0.00 0.0
June 11
 25.6 20.6 0.51 0.0
June 12
 25.0 13.3 0.00 0.0
June 13
 26.7 16.7 0.30 0.0
June 14
 21.7 12.8 0.00 0.0
June 15
 25.6 10.0 0.00 0.0
June 16
 28.9 9.4 0.00 0.0
June 17
 21.7 13.3 0.33 0.0
June 18
 24.4 10.0 0.00 0.0
June 19
 22.2 11.1 0.00 0.0
June 20
 25.0 9.4 0.00 0.0
June 21
 31.7 10.0 0.00 0.0
June 22
 30.0 20.0 0.00 0.0
June 23
 31.1 20.0 0.00 0.0
June 24
 27.2 18.9 0.00 0.0
June 25
 27.8 17.2 0.00 0.0
June 26
 32.8 17.8 0.00 0.0
June 27
 31.1 18.9 0.00 0.0
June 28
 27.8 20.0 0.51 0.0
June 29
 27.8 20.6 0.00 0.0
June 30
 28.9 18.3 0.00 0.0
July 1921 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
July 1
 28.9 17.2 0.00 0.0
July 2
 33.3 18.9 0.00 0.0
July 3
 35.0 21.1 0.00 0.0
July 4
 35.0 21.7 0.00 0.0
July 5
 35.6 21.1 0.00 0.0
July 6
 35.6 22.2 0.00 0.0
July 7
 35.6 24.4 0.00 0.0
July 8
 33.3 21.7 0.64 0.0
July 9
 28.9 20.0 0.81 0.0
July 10
 28.3 20.0 0.28 0.0
July 11
 27.8 20.0 0.00 0.0
July 12
 30.0 21.1 0.00 0.0
July 13
 32.2 22.2 0.00 0.0
July 14
 32.2 23.3 0.00 0.0
July 15
 27.2 21.7 0.00 0.0
July 16
 29.4 17.8 0.05 0.0
July 17
 31.1 16.7 0.00 0.0
July 18
 31.1 21.1 0.15 0.0
July 19
 27.2 20.0 1.98 0.0
July 20
 25.6 19.4 0.00 0.0
July 21
 25.6 15.6 0.00 0.0
July 22
 27.8 14.4 0.00 0.0
July 23
 31.1 16.7 0.00 0.0
July 24
 31.7 21.7 0.00 0.0
July 25
 32.2 21.1 0.00 0.0
July 26
 32.2 22.2 0.38 0.0
July 27
 32.2 23.3 0.00 0.0
July 28
 31.1 25.0 0.00 0.0
July 29
 28.9 20.0 0.00 0.0
July 30
 30.0 18.9 0.00 0.0
July 31
 24.4 17.8 0.84 0.0
August 1921 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
 23.9 15.0 0.00 0.0
August 2
 22.2 15.6 0.00 0.0
August 3
 25.0 12.2 0.00 0.0
August 4
 26.7 12.2 0.00 0.0
August 5
 29.4 14.4 0.00 0.0
August 6
 26.7 19.4 2.26 0.0
August 7
 22.2 17.8 0.08 0.0
August 8
 22.8 12.2 0.00 0.0
August 9
 26.7 10.6 0.00 0.0
August 10
 27.8 17.8 0.00 0.0
August 11
 30.0 18.9 0.00 0.0
August 12
 26.7 17.8 0.66 0.0
August 13
 27.8 15.0 0.00 0.0
August 14
 23.3 15.0 0.48 0.0
August 15
 24.4 11.1 0.00 0.0
August 16
 25.6 14.4 0.00 0.0
August 17
 23.3 16.1 0.41 0.0
August 18
 24.4 18.9 0.23 0.0
August 19
 27.2 12.8 0.00 0.0
August 20
 28.3 18.9 0.00 0.0
August 21
 21.1 11.1 0.00 0.0
August 22
 22.2 8.9 0.00 0.0
August 23
 23.9 9.4 0.00 0.0
August 24
 25.6 11.7 0.00 0.0
August 25
 28.3 13.3 0.00 0.0
August 26
 28.9 16.1 0.00 0.0
August 27
 27.2 15.0 0.00 0.0
August 28
 31.1 13.3 0.00 0.0
August 29
 28.9 20.0 0.00 0.0
August 30
 31.1 22.2 0.76 0.0
August 31
 26.1 16.1 0.00 0.0
September 1921 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
 32.2 15.6 0.00 0.0
September 2
 31.7 22.2 0.18 0.0
September 3
 31.1 22.2 0.00 0.0
September 4
 27.8 20.0 0.00 0.0
September 5
 27.2 18.3 0.03 0.0
September 6
 26.1 14.4 0.00 0.0
September 7
 27.2 13.3 0.00 0.0
September 8
 27.8 12.2 0.00 0.0
September 9
 30.6 14.4 0.51 0.0
September 10
 31.1 17.8 0.00 0.0
September 11
 28.9 20.0 0.23 0.0
September 12
 28.9 18.9 0.00 0.0
September 13
 22.2 12.2 0.00 0.0
September 14
 23.3 11.1 0.00 0.0
September 15
 21.7 14.4 0.00 0.0
September 16
 23.3 11.1 0.00 0.0
September 17
 26.7 14.4 0.86 0.0
September 18
 25.0 15.0 0.00 0.0
September 19
 20.6 8.9 0.00 0.0
September 20
 21.1 11.7 0.00 0.0
September 21
 25.6 14.4 0.28 0.0
September 22
 25.6 17.8 0.00 0.0
September 23
 23.3 14.4 0.00 0.0
September 24
 25.6 11.1 0.18 0.0
September 25
 21.1 14.4 0.00 0.0
September 26
 20.6 7.8 0.00 0.0
September 27
 24.4 8.9 0.00 0.0
September 28
 25.0 14.4 0.61 0.0
September 29
 28.9 15.6 0.00 0.0
September 30
 25.6 12.2 0.41 0.0
October 1921 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
 20.6 8.3 0.00 0.0
October 2
 21.1 10.6 0.00 0.0
October 3
 17.8 11.1 0.05 0.0
October 4
 12.8 4.4 0.00 0.0
October 5
 12.2 6.7 0.00 0.0
October 6
 18.9 8.9 0.00 0.0
October 7
 15.6 8.3 2.13 0.0
October 8
 9.4 5.6 1.65 0.0
October 9
 12.2 2.2 0.89 0.0
October 10
 11.1 6.7 2.29 0.0
October 11
 13.9 6.7 0.00 0.0
October 12
 9.4 3.9 0.99 0.0
October 13
 13.3 0.0 0.00 0.0
October 14
 17.8 8.9 0.00 0.0
October 15
 20.0 6.1 0.00 0.0
October 16
 20.6 6.7 0.00 0.0
October 17
 22.2 7.8 0.00 0.0
October 18
 22.8 15.0 0.00 0.0
October 19
 18.9 8.9 0.38 0.0
October 20
 12.2 5.0 0.05 0.0
October 21
 10.0 2.8 0.00 0.0
October 22
 17.8 5.6 0.00 0.0
October 23
 12.8 3.3 0.00 0.0
October 24
 14.4 5.6 0.00 0.0
October 25
 12.2 4.4 0.00 0.0
October 26
 12.8 0.0 0.00 0.0
October 27
 16.1 0.0 0.00 0.0
October 28
 18.9 8.9 0.00 0.0
October 29
 13.3 6.1 0.00 0.0
October 30
 18.3 6.1 0.00 0.0
October 31
 15.6 7.8 0.58 0.0
November 1921 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
 13.3 5.6 0.38 0.0
November 2
 7.8 2.2 0.13 0.0
November 3
 9.4 -1.7 0.13 0.0
November 4
 8.9 2.8 0.38 0.0
November 5
 8.9 0.6 0.00 0.0
November 6
 4.4 -3.3 0.00 0.0
November 7
 6.7 1.1 0.41 0.0
November 8
 2.2 -2.2 0.51 5.1
November 9
 0.6 -2.2 1.14 11.4
November 10
 2.8 -2.2 1.65 16.5
November 11
 3.3 0.6 0.00 0.0
November 12
 0.0 -1.1 0.25 2.5
November 13
 1.1 -3.9 0.00 0.0
November 14
 5.6 -1.1 0.00 0.0
November 15
 4.4 0.0 0.00 0.0
November 16
 8.3 -2.2 0.00 0.0
November 17
 13.9 5.6 0.00 0.0
November 18
 18.9 8.3 0.56 0.0
November 19
 20.0 12.2 0.28 0.0
November 20
 12.8 2.2 0.00 0.0
November 21
 8.3 -0.6 0.00 0.0
November 22
 8.3 1.7 0.00 0.0
November 23
 2.2 -2.8 0.00 0.0
November 24
 1.1 -3.3 0.94 0.0
November 25
 5.6 -2.2 0.00 0.0
November 26
 3.3 0.0 0.00 0.0
November 27
 3.3 0.6 0.00 0.0
November 28
 5.6 0.0 0.18 0.0
November 29
 5.6 -0.6 0.00 0.0
November 30
 5.6 2.2 0.00 0.0
December 1921 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
 11.7 2.8 0.00 0.0
December 2
 13.3 7.2 0.69 0.0
December 3
 11.7 1.1 0.00 0.0
December 4
 3.3 -2.2 0.00 0.0
December 5
 2.2 -2.2 1.02 10.2
December 6
 1.1 -4.4 0.20 2.0
December 7
 0.6 -2.2 0.00 0.0
December 8
 0.0 -5.6 0.00 0.0
December 9
 2.2 -4.4 0.00 0.0
December 10
 3.3 -1.7 0.00 0.0
December 11
 6.1 1.1 0.00 0.0
December 12
 5.6 -1.1 0.89 0.0
December 13
 0.0 -4.4 0.00 0.0
December 14
 -3.3 -7.8 0.00 0.0
December 15
 -3.9 -7.8 0.00 0.0
December 16
 3.3 -8.3 0.00 0.0
December 17
 9.4 2.8 1.73 0.0
December 18
 11.7 -3.3 1.14 5.1
December 19
 0.6 -3.3 0.00 0.0
December 20
 3.3 -3.3 0.00 0.0
December 21
 2.2 -12.8 0.00 0.0
December 22
 -7.8 -12.2 0.00 0.0
December 23
 1.1 -11.1 0.05 0.5
December 24
 0.6 -6.7 0.20 2.0
December 25
 -7.8 -11.1 0.00 0.0
December 26
 -3.3 -13.3 0.00 0.0
December 27
 -1.1 -4.4 0.00 0.0
December 28
 0.0 -10.0 0.00 0.0
December 29
 2.8 -10.0 0.00 0.0
December 30
 -0.6 -13.3 0.00 0.0
December 31
 4.4 -2.2 0.00 0.0
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