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St. Catharines Weather in 1940

Historical record of St. Catharines, Ontario weather for the year 1940 based on NOAA data.
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Year:
1940 St. Catharines Weather Extremes
Highest temperature 33.3 °C July 25
Lowest temperature -17.2 °C January 19
Highest daily low 24.4 °C July 30
Lowest daily high -12.2 °C January 19
Most daily precipitation 3.1 cm December 29
Most daily snow 13.5 cm February 1
Total annual precipitation 71.0 cm -
Total annual snow 147.7 cm -
What was the hottest temperature in St. Catharines in 1940?
The highest temperature recorded in St. Catharines, Ontario in 1940 was 33.3 °C which happened on July 25.
Highest Temperatures: All-Time By Year
Highest Temperatures in St. Catharines in 1940
Rank Temperature Date
1 33.3 °C Jul 25
2 32.8 °C Jul 29
2 32.8 °C Jul 24
4 32.2 °C Aug 18
4 32.2 °C Aug 11
4 32.2 °C Jul 26
7 31.7 °C Aug 12
7 31.7 °C Jul 30
7 31.7 °C Jul 23
7 31.7 °C Jul 19
What was the coldest temperature in St. Catharines in 1940?
The lowest temperature recorded in St. Catharines, Ontario in 1940 was -17.2 °C which happened 2 different times.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in St. Catharines in 1940
Rank Temperature Date
1 -17.2 °C January 19
1 -17.2 °C January 9
3 -16.7 °C January 17
4 -16.1 °C December 4
4 -16.1 °C January 31
6 -15.0 °C January 20
6 -15.0 °C January 7
8 -14.4 °C January 27
8 -14.4 °C January 18
10 -13.9 °C March 24
January 1940 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
 -3.3 -10.6 0.20 2.0
January 2
 -6.1 -10.0 0.00 0.0
January 3
 -3.3 -10.0 0.00 0.0
January 4
 -3.3 -10.0 0.05 0.5
January 5
 -3.9 -6.1 0.20 2.0
January 6
 -2.8 -11.7 0.00 0.0
January 7
 -7.8 -15.0 0.00 0.0
January 8
 -5.6 -10.6 0.13 1.3
January 9
 -4.4 -17.2 0.00 0.0
January 10
 -1.1 -11.7 0.00 0.0
January 11
 0.0 -6.7 0.30 3.0
January 12
 2.2 -0.6 0.00 0.0
January 13
 2.8 -2.2 0.00 0.0
January 14
 7.2 -3.3 1.22 0.0
January 15
 1.1 -1.1 0.08 0.8
January 16
 -9.4 -12.2 0.05 0.5
January 17
 -11.1 -16.7 0.00 0.0
January 18
 -10.6 -14.4 0.00 0.0
January 19
 -12.2 -17.2 0.00 0.0
January 20
 -7.8 -15.0 0.08 0.8
January 21
 -3.3 -9.4 0.00 0.0
January 22
 -2.8 -6.7 0.25 2.5
January 23
 -3.3 -7.2 0.00 0.0
January 24
 -5.0 -8.9 0.38 3.8
January 25
 -3.9 -10.0 0.00 0.0
January 26
 -7.8 -10.6 0.13 1.3
January 27
 -7.8 -14.4 0.00 0.0
January 28
 -3.3 -9.4 0.05 0.5
January 29
 -2.2 -7.2 0.00 0.0
January 30
 -3.3 -10.0 0.00 0.0
January 31
 -2.2 -16.1 0.00 0.0
February 1940 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
 -1.7 -10.6 1.35 13.5
February 2
 -7.8 -13.3 0.05 0.5
February 3
 2.8 -12.2 0.00 0.0
February 4
 1.7 -3.3 0.00 0.0
February 5
 0.6 -4.4 0.00 0.0
February 6
 2.2 -1.1 0.43 3.8
February 7
 1.7 -0.6 0.00 0.0
February 8
 -0.6 -4.4 0.20 2.0
February 9
 -2.8 -7.8 0.00 0.0
February 10
 -0.6 -7.2 0.61 0.5
February 11
 0.6 -4.4 0.00 0.0
February 12
 6.1 -1.7 0.00 0.0
February 13
 -5.0 -6.7 0.00 0.0
February 14
 -3.9 -7.2 1.02 10.2
February 15
 -3.3 -8.3 0.00 0.0
February 16
 -2.8 -8.9 0.00 0.0
February 17
 -0.6 -10.6 0.00 0.0
February 18
 -0.6 -8.9 0.33 3.3
February 19
 1.1 -2.2 1.02 10.2
February 20
 3.9 -0.6 0.00 0.0
February 21
 -3.9 -6.7 0.00 0.0
February 22
 1.7 -12.8 0.00 0.0
February 23
 -1.1 -5.0 0.38 3.8
February 24
 1.7 -6.1 0.00 0.0
February 25
 -5.6 -10.6 0.00 0.0
February 26
 -3.9 -12.2 0.00 0.0
February 27
 -3.3 -11.1 0.18 1.8
February 28
 -2.2 -5.6 0.00 0.0
February 29
 1.1 -9.4 0.00 0.0
March 1940 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
 -2.8 -6.7 0.00 0.0
March 2
 2.2 -10.0 0.00 0.0
March 3
 1.7 -2.8 0.89 0.0
March 4
 1.7 0.6 0.43 3.3
March 5
 1.7 0.0 0.00 0.0
March 6
 0.0 -5.6 0.00 0.0
March 7
 -1.1 -4.4 0.00 0.0
March 8
 -1.7 -6.1 0.00 0.0
March 9
 -1.1 -4.4 0.05 0.5
March 10
 -3.9 -11.1 0.00 0.0
March 11
 -6.7 -11.1 0.00 0.0
March 12
 -5.0 -12.2 0.00 0.0
March 13
 -1.1 -10.0 0.20 0.0
March 14
 2.8 -4.4 0.33 3.3
March 15
 0.0 -6.1 0.18 1.8
March 16
 2.2 -5.0 0.00 0.0
March 17
 3.9 -3.9 0.00 0.0
March 18
 3.9 -5.0 0.38 0.0
March 19
 4.4 -2.8 0.00 0.0
March 20
 4.4 -4.4 0.76 7.6
March 21
 2.2 -10.6 0.51 5.1
March 22
 -3.3 -5.0 0.00 0.0
March 23
 -6.7 -12.8 0.00 0.0
March 24
 -4.4 -13.9 0.00 0.0
March 25
 -1.7 -13.3 0.00 0.0
March 26
 0.6 -9.4 0.64 6.4
March 27
 2.2 -4.4 0.00 0.0
March 28
 3.9 -8.3 0.00 0.0
March 29
 12.8 -2.2 0.00 0.0
March 30
 7.8 3.9 0.00 0.0
March 31
 8.9 2.2 0.00 0.0
April 1940 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
 5.6 0.0 0.00 0.0
April 2
 4.4 -3.9 0.00 0.0
April 3
 5.6 0.6 1.24 0.0
April 4
 10.0 1.1 0.10 0.0
April 5
 3.9 0.0 0.00 0.0
April 6
 11.1 -1.7 0.00 0.0
April 7
 10.6 -1.1 0.23 0.0
April 8
 16.7 5.6 0.91 0.0
April 9
 6.1 3.9 0.00 0.0
April 10
 8.9 -2.8 0.00 0.0
April 11
 13.9 1.7 1.85 12.7
April 12
 -1.1 -4.4 0.00 0.0
April 13
 0.6 -8.3 0.00 0.0
April 14
 2.2 -4.4 0.00 0.0
April 15
 13.3 -1.7 0.00 0.0
April 16
 11.7 0.6 0.00 0.0
April 17
 12.2 -2.8 0.91 0.0
April 18
 13.3 5.0 0.00 0.0
April 19
 10.0 0.6 0.00 0.0
April 20
 7.2 2.8 0.00 0.0
April 21
 7.2 3.3 0.03 0.0
April 22
 7.8 1.1 0.00 0.0
April 23
 11.1 -0.6 0.00 0.0
April 24
 12.8 -1.1 0.00 0.0
April 25
 10.0 3.3 0.00 0.0
April 26
 13.3 -0.6 0.00 0.0
April 27
 13.3 0.6 0.00 0.0
April 28
 18.9 -0.6 0.00 0.0
April 29
 25.0 5.0 0.00 0.0
April 30
 20.6 12.8 0.00 0.0
May 1940 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
May 1
 22.2 10.6 1.47 0.0
May 2
 8.9 5.0 0.08 0.0
May 3
 7.8 3.9 0.08 0.0
May 4
 11.7 3.9 0.00 0.0
May 5
 18.3 0.6 0.23 0.0
May 6
 25.6 7.2 0.00 0.0
May 7
 16.1 6.7 0.00 0.0
May 8
 10.0 4.4 0.05 0.0
May 9
 16.7 2.8 0.00 0.0
May 10
 18.9 0.6 0.03 0.0
May 11
 13.3 5.0 0.00 0.0
May 12
 12.2 1.1 0.76 0.0
May 13
 23.9 6.7 0.46 0.0
May 14
 18.9 10.0 0.18 0.0
May 15
 15.6 5.6 0.53 0.0
May 16
 14.4 8.9 0.05 0.0
May 17
 12.8 6.7 0.20 0.0
May 18
 13.3 7.8 0.00 0.0
May 19
 24.4 5.6 0.46 0.0
May 20
 23.9 9.4 0.00 0.0
May 21
 23.3 8.3 0.00 0.0
May 22
 29.4 7.8 1.14 0.0
May 23
 15.6 13.3 2.11 0.0
May 24
 18.3 8.9 0.89 0.0
May 25
 17.2 12.2 0.03 0.0
May 26
 18.3 10.6 1.93 0.0
May 27
 21.7 10.0 0.00 0.0
May 28
 21.7 8.9 0.00 0.0
May 29
 18.3 12.2 0.00 0.0
May 30
 20.0 8.3 0.05 0.0
May 31
 13.9 10.6 0.00 0.0
June 1940 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
June 1
 16.1 8.9 0.58 0.0
June 2
 24.4 11.1 0.00 0.0
June 3
 26.7 12.8 0.00 0.0
June 4
 30.0 15.6 0.00 0.0
June 5
 28.3 17.8 0.00 0.0
June 6
 20.0 10.6 0.00 0.0
June 7
 31.1 10.0 0.00 0.0
June 8
 27.8 13.3 0.00 0.0
June 9
 22.2 15.6 0.00 0.0
June 10
 25.0 15.6 0.30 0.0
June 11
 22.8 14.4 0.00 0.0
June 12
 23.3 15.6 0.00 0.0
June 13
 24.4 18.3 0.00 0.0
June 14
 23.9 8.3 0.00 0.0
June 15
 25.0 17.2 0.00 0.0
June 16
 22.8 9.4 0.00 0.0
June 17
 27.8 16.1 0.00 0.0
June 18
 27.8 20.0 0.43 0.0
June 19
 22.2 14.4 0.00 0.0
June 20
 14.4 6.1 0.00 0.0
June 21
 17.2 8.9 0.00 0.0
June 22
 17.8 7.2 0.00 0.0
June 23
 17.2 10.6 1.91 0.0
June 24
 22.8 14.4 0.74 0.0
June 25
 21.1 12.8 0.23 0.0
June 26
 18.9 11.7 0.41 0.0
June 27
 21.1 11.7 0.00 0.0
June 28
 23.9 12.2 0.41 0.0
June 29
 17.2 14.4 0.08 0.0
June 30
 18.9 12.2 0.46 0.0
July 1940 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
July 1
 20.6 8.3 0.00 0.0
July 2
 21.1 8.9 0.00 0.0
July 3
 21.7 11.7 0.00 0.0
July 4
 24.4 9.4 0.05 0.0
July 5
 24.4 11.1 0.00 0.0
July 6
 27.8 11.7 0.00 0.0
July 7
 29.4 13.9 0.00 0.0
July 8
 28.9 17.8 0.00 0.0
July 9
 28.3 18.9 0.00 0.0
July 10
 30.6 13.3 0.00 0.0
July 11
 18.3 17.8 2.08 0.0
July 12
 20.0 11.7 0.00 0.0
July 13
 22.8 10.0 0.00 0.0
July 14
 25.6 11.1 0.00 0.0
July 15
 26.7 16.1 1.60 0.0
July 16
 21.7 13.9 0.00 0.0
July 17
 24.4 11.1 0.00 0.0
July 18
 25.6 13.9 0.00 0.0
July 19
 31.7 15.6 0.53 0.0
July 20
 30.6 21.7 0.36 0.0
July 21
 26.7 22.2 0.76 0.0
July 22
 30.0 20.0 0.00 0.0
July 23
 31.7 21.7 0.00 0.0
July 24
 32.8 22.2 0.00 0.0
July 25
 33.3 21.1 0.15 0.0
July 26
 32.2 21.7 0.00 0.0
July 27
 28.9 21.7 0.00 0.0
July 28
 28.3 18.9 0.00 0.0
July 29
 32.8 19.4 0.15 0.0
July 30
 31.7 24.4 0.00 0.0
July 31
 23.9 15.6 0.00 0.0
August 1940 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
 26.1 17.2 0.00 0.0
August 2
 25.6 13.9 0.00 0.0
August 3
 29.4 20.6 0.00 0.0
August 4
 31.1 21.1 1.09 0.0
August 5
 30.6 20.6 1.40 0.0
August 6
 26.1 20.6 0.00 0.0
August 7
 25.6 16.1 0.00 0.0
August 8
 26.7 15.0 0.00 0.0
August 9
 28.3 13.3 0.00 0.0
August 10
 28.9 16.1 0.00 0.0
August 11
 32.2 17.8 0.00 0.0
August 12
 31.7 19.4 0.51 0.0
August 13
 27.8 22.2 0.13 0.0
August 14
 25.6 18.9 0.00 0.0
August 15
 26.7 12.8 0.00 0.0
August 16
 29.4 18.9 0.00 0.0
August 17
 28.3 18.3 0.00 0.0
August 18
 32.2 21.7 1.52 0.0
August 19
 21.1 17.8 0.00 0.0
August 20
 19.4 14.4 0.00 0.0
August 21
 21.1 8.9 0.00 0.0
August 22
 23.3 11.1 0.03 0.0
August 23
 17.8 12.8 0.00 0.0
August 24
 18.3 5.6 0.00 0.0
August 25
 18.9 7.2 0.20 0.0
August 26
 20.0 9.4 0.00 0.0
August 27
 19.4 10.0 0.00 0.0
August 28
 18.9 13.9 0.00 0.0
August 29
 29.4 14.4 0.00 0.0
August 30
 21.7 17.2 0.23 0.0
August 31
 25.6 19.4 0.00 0.0
September 1940 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
 22.2 16.7 1.37 0.0
September 2
 20.0 12.2 0.00 0.0
September 3
 21.7 14.4 0.00 0.0
September 4
 25.6 13.9 0.00 0.0
September 5
 21.7 13.3 0.00 0.0
September 6
 22.8 8.3 0.20 0.0
September 7
 22.8 12.2 1.35 0.0
September 8
 25.0 13.9 0.08 0.0
September 9
 20.0 15.0 0.00 0.0
September 10
 18.3 12.2 0.00 0.0
September 11
 16.1 6.1 0.00 0.0
September 12
 14.4 9.4 0.05 0.0
September 13
 20.6 10.0 0.00 0.0
September 14
 22.8 12.2 1.22 0.0
September 15
 17.2 13.3 0.13 0.0
September 16
 19.4 10.6 0.00 0.0
September 17
 23.9 10.0 0.00 0.0
September 18
 26.1 10.0 0.00 0.0
September 19
 21.7 14.4 0.08 0.0
September 20
 30.0 16.1 0.00 0.0
September 21
 25.0 19.4 0.86 0.0
September 22
 24.4 12.2 0.00 0.0
September 23
 23.9 10.0 0.00 0.0
September 24
 19.4 16.7 1.83 0.0
September 25
 10.6 8.3 0.00 0.0
September 26
 15.0 4.4 0.00 0.0
September 27
 18.9 6.1 0.00 0.0
September 28
 21.7 6.7 0.00 0.0
September 29
 18.3 7.8 0.00 0.0
September 30
 15.6 8.3 0.00 0.0
October 1940 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
 16.1 3.9 0.00 0.0
October 2
 18.3 7.2 0.00 0.0
October 3
 23.3 7.8 0.00 0.0
October 4
 16.1 5.0 0.00 0.0
October 5
 21.1 7.2 0.00 0.0
October 6
 24.4 17.2 0.00 0.0
October 7
 18.3 17.8 0.08 0.0
October 8
 15.0 6.7 0.00 0.0
October 9
 14.4 4.4 0.00 0.0
October 10
 17.8 5.0 0.00 0.0
October 11
 20.0 9.4 0.00 0.0
October 12
 20.6 15.0 0.00 0.0
October 13
 20.0 14.4 0.00 0.0
October 14
 18.9 3.3 2.39 0.0
October 15
 12.2 6.7 0.00 0.0
October 16
 10.6 0.6 0.00 0.0
October 17
 11.7 0.0 0.13 0.0
October 18
 6.1 4.4 0.00 0.0
October 19
 3.3 -2.2 0.00 0.0
October 20
 8.3 -2.8 0.51 0.0
October 21
 3.3 0.0 0.00 0.0
October 22
 10.6 -4.4 0.00 0.0
October 23
 20.6 4.4 0.00 0.0
October 24
 13.9 2.8 0.00 0.0
October 25
 12.2 4.4 0.00 0.0
October 26
 8.3 5.0 0.00 0.0
October 27
 9.4 -1.1 0.00 0.0
October 28
 6.1 -1.7 0.00 0.0
October 29
 8.3 -0.6 0.23 0.0
October 30
 7.2 3.3 0.58 0.0
October 31
 7.2 3.9 0.00 0.0
November 1940 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
 12.2 3.9 0.64 0.0
November 2
 13.3 8.3 0.23 0.0
November 3
 12.8 6.1 0.03 0.0
November 4
 18.9 4.4 0.00 0.0
November 5
 17.2 12.8 0.20 0.0
November 6
 4.4 3.9 0.08 0.0
November 7
 3.3 1.1 0.00 0.0
November 8
 2.8 0.0 0.00 0.0
November 9
 6.7 -2.2 0.00 0.0
November 10
 10.0 2.2 0.18 0.0
November 11
 14.4 8.3 1.35 0.0
November 12
 7.2 4.4 0.00 0.0
November 13
 3.3 -2.2 0.00 0.0
November 14
 2.8 -2.2 0.51 5.1
November 15
 -0.6 -1.1 0.25 2.5
November 16
 1.7 -4.4 0.00 0.0
November 17
 4.4 -1.1 0.05 0.0
November 18
 3.9 1.7 0.00 0.0
November 19
 11.7 -1.7 0.08 0.0
November 20
 7.8 6.1 0.00 0.0
November 21
 7.2 1.1 0.36 0.0
November 22
 11.1 5.6 0.00 0.0
November 23
 5.0 3.9 0.00 0.0
November 24
 6.1 4.4 0.00 0.0
November 25
 -1.7 -3.9 0.00 0.0
November 26
 -1.1 -6.1 0.38 3.8
November 27
 0.0 -4.4 0.13 1.3
November 28
 -1.1 -5.6 0.08 0.8
November 29
 2.8 -6.1 0.00 0.0
November 30
 1.7 -2.8 0.76 7.6
December 1940 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
 -1.7 -2.8 0.00 0.0
December 2
 -3.9 -10.0 0.38 3.8
December 3
 -10.6 -11.7 0.25 2.5
December 4
 -2.2 -16.1 1.02 10.2
December 5
 -2.2 -3.9 0.00 0.0
December 6
 1.7 -11.1 0.18 0.0
December 7
 6.7 0.0 0.20 0.0
December 8
 -1.7 -2.2 0.00 0.0
December 9
 3.3 -6.7 0.00 0.0
December 10
 5.0 -1.1 0.00 0.0
December 11
 1.7 -0.6 0.08 0.8
December 12
 2.2 -0.6 1.27 0.0
December 13
 -2.2 -2.8 0.00 0.0
December 14
 -1.1 -10.0 0.00 0.0
December 15
 1.7 -8.9 0.66 0.0
December 16
 10.6 -1.7 0.58 0.0
December 17
 -1.7 -2.2 0.00 0.0
December 18
 1.7 -6.7 0.00 0.0
December 19
 2.8 -1.1 0.00 0.0
December 20
 7.2 0.6 0.15 0.0
December 21
 3.3 1.7 0.08 0.0
December 22
 3.9 1.1 0.00 0.0
December 23
 0.0 -2.8 0.00 0.0
December 24
 7.2 -4.4 0.00 0.0
December 25
 12.8 -1.7 0.00 0.0
December 26
 5.6 -1.1 0.10 0.0
December 27
 6.1 3.9 0.56 0.0
December 28
 5.0 3.3 0.53 0.0
December 29
 4.4 2.8 3.07 0.0
December 30
 2.2 1.1 0.10 0.0
December 31
 1.7 -0.6 0.00 0.0
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