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St. Catharines Weather in 1970

Historical record of St. Catharines, Ontario weather for the year 1970 based on NOAA data.
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1970 St. Catharines Weather Extremes
Highest temperature 31.7 °C July 26
Lowest temperature -19.4 °C February 4
Highest daily low 25.6 °C July 15
Lowest daily high -12.8 °C January 21
Most daily precipitation 6.7 cm June 11
Most daily snow 19.3 cm December 11
Total annual precipitation 82.1 cm -
Total annual snow 109.2 cm -
What was the hottest temperature in St. Catharines in 1970?
The highest temperature recorded in St. Catharines, Ontario in 1970 was 31.7 °C which happened on July 26.
Highest Temperatures: All-Time By Year
Highest Temperatures in St. Catharines in 1970
Rank Temperature Date
1 31.7 °C Jul 26
2 31.1 °C Aug 15
2 31.1 °C Jul 31
2 31.1 °C Jul 27
2 31.1 °C Jun 10
6 30.6 °C Sep 24
6 30.6 °C Jul 3
8 30.0 °C Aug 13
8 30.0 °C Aug 1
8 30.0 °C Jul 15
8 30.0 °C Jun 9
8 30.0 °C Jun 8
8 30.0 °C Jun 2
8 30.0 °C May 1
What was the coldest temperature in St. Catharines in 1970?
The lowest temperature recorded in St. Catharines, Ontario in 1970 was -19.4 °C which happened 2 different times.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in St. Catharines in 1970
Rank Temperature Date
1 -19.4 °C February 4
1 -19.4 °C January 24
3 -18.9 °C February 14
4 -18.3 °C January 21
4 -18.3 °C January 20
6 -17.8 °C February 3
7 -16.7 °C January 22
7 -16.7 °C January 1
9 -16.1 °C January 9
10 -15.6 °C February 26
10 -15.6 °C January 8
10 -15.6 °C January 2
January 1970 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
 -3.9 -16.7 0.00 0.0
January 2
 -2.8 -15.6 0.05 0.5
January 3
 -2.8 -8.9 0.05 0.5
January 4
 -4.4 -11.7 0.00 0.0
January 5
 -2.2 -11.7 0.00 0.0
January 6
 -6.7 -14.4 0.00 0.0
January 7
 -6.7 -13.9 0.00 0.0
January 8
 -11.1 -15.6 0.00 0.0
January 9
 -5.6 -16.1 0.00 0.0
January 10
 -4.4 -13.9 0.00 0.0
January 11
 n/a -11.1 0.53 5.3
January 12
 n/a -10.0 0.30 3.0
January 13
 n/a -6.7 0.00 0.0
January 14
 n/a -12.2 0.13 1.3
January 15
 n/a -15.0 0.00 0.0
January 16
 4.4 -15.0 0.00 0.0
January 17
 0.0 -2.8 0.76 7.6
January 18
 -7.8 -9.4 0.10 1.0
January 19
 -7.8 -14.4 0.00 0.0
January 20
 -10.6 -18.3 0.36 3.6
January 21
 -12.8 -18.3 0.00 0.0
January 22
 -7.8 -16.7 0.08 0.8
January 23
 -5.0 -13.9 0.25 2.5
January 24
 -1.7 -19.4 0.08 0.8
January 25
 1.7 -8.9 0.00 0.0
January 26
 -0.6 -2.8 0.00 0.0
January 27
 1.7 -3.3 0.00 0.0
January 28
 10.0 -1.7 0.69 0.0
January 29
 3.9 -1.1 0.00 0.0
January 30
 -2.8 -8.3 0.00 0.0
January 31
 3.3 -11.1 0.00 0.0
February 1970 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
 7.8 1.7 0.38 0.0
February 2
 5.0 2.2 0.89 1.3
February 3
 -9.4 -17.8 0.56 5.6
February 4
 -3.3 -19.4 0.00 0.0
February 5
 2.2 -13.3 0.00 0.0
February 6
 3.9 -0.6 0.00 0.0
February 7
 2.8 -3.3 0.00 0.0
February 8
 0.0 -5.6 0.00 0.0
February 9
 2.2 -3.3 0.23 0.0
February 10
 2.2 -1.1 0.36 3.6
February 11
 -2.8 -5.0 0.18 1.8
February 12
 -6.1 -10.0 0.91 9.1
February 13
 -10.6 -14.4 0.00 0.0
February 14
 -7.8 -18.9 0.00 0.0
February 15
 -3.3 -12.8 0.05 0.5
February 16
 -3.3 -10.6 0.00 0.0
February 17
 0.0 -14.4 0.00 0.0
February 18
 7.2 -5.6 1.14 2.5
February 19
 -5.0 -10.6 0.00 0.0
February 20
 -5.0 -11.7 0.00 0.0
February 21
 -0.6 -10.0 0.00 0.0
February 22
 6.1 -4.4 0.00 0.0
February 23
 -0.6 -7.2 0.00 0.0
February 24
 5.0 -2.8 0.00 0.0
February 25
 -3.9 -13.9 0.00 0.0
February 26
 -2.8 -15.6 0.00 0.0
February 27
 1.7 -13.9 0.00 0.0
February 28
 -4.4 -8.3 0.00 0.0
March 1970 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
 0.6 -9.4 0.25 2.5
March 2
 0.6 -2.2 0.00 0.0
March 3
 3.3 -4.4 0.71 0.8
March 4
 8.9 0.0 2.06 0.0
March 5
 3.9 0.0 0.00 0.0
March 6
 2.8 -1.7 0.00 0.0
March 7
 4.4 -2.2 0.25 2.5
March 8
 -5.0 -10.0 0.00 0.0
March 9
 -3.3 -10.6 0.00 0.0
March 10
 -1.7 -10.0 0.00 0.0
March 11
 0.0 -7.2 0.00 0.0
March 12
 0.6 -6.1 0.00 0.0
March 13
 2.8 -3.3 0.00 0.0
March 14
 0.0 -7.2 0.00 0.0
March 15
 -1.7 -7.2 0.00 0.0
March 16
 0.0 -8.3 0.00 0.0
March 17
 4.4 -7.2 0.00 0.0
March 18
 4.4 -2.8 0.00 0.0
March 19
 7.8 -2.2 0.00 0.0
March 20
 7.2 -1.1 0.51 0.0
March 21
 6.1 1.1 0.00 0.0
March 22
 6.7 -1.1 0.30 0.0
March 23
 3.9 0.0 0.91 0.0
March 24
 7.2 0.6 0.00 0.0
March 25
 7.2 -0.6 0.28 0.0
March 26
 10.6 -0.6 0.64 0.0
March 27
 5.6 -1.7 0.00 0.0
March 28
 3.3 -1.7 0.10 0.0
March 29
 -1.7 -5.6 0.00 0.0
March 30
 2.2 -7.2 0.00 0.0
March 31
 6.1 -4.4 0.00 0.0
April 1970 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
 6.7 -3.3 1.93 0.0
April 2
 7.2 0.0 0.48 0.0
April 3
 5.6 -0.6 0.00 0.0
April 4
 6.1 0.0 0.00 0.0
April 5
 6.7 -3.3 0.00 0.0
April 6
 12.8 -1.1 0.00 0.0
April 7
 9.4 1.7 0.00 0.0
April 8
 17.2 1.7 0.00 0.0
April 9
 14.4 9.4 0.00 0.0
April 10
 2.2 -0.6 0.00 0.0
April 11
 8.9 -2.2 0.00 0.0
April 12
 7.2 1.1 0.00 0.0
April 13
 10.0 -3.3 0.00 0.0
April 14
 11.7 1.7 0.00 0.0
April 15
 13.3 -2.2 0.00 0.0
April 16
 13.3 -2.8 0.00 0.0
April 17
 21.1 0.6 0.41 0.0
April 18
 9.4 2.2 0.00 0.0
April 19
 9.4 -0.6 1.52 0.0
April 20
 14.4 2.8 0.08 0.0
April 21
 13.9 6.1 0.13 0.0
April 22
 14.4 4.4 0.00 0.0
April 23
 23.9 7.8 0.25 0.0
April 24
 12.8 3.9 1.52 0.0
April 25
 20.0 5.0 0.00 0.0
April 26
 23.9 10.0 0.00 0.0
April 27
 25.0 11.1 0.00 0.0
April 28
 17.8 9.4 0.00 0.0
April 29
 16.7 7.8 0.00 0.0
April 30
 27.8 7.8 0.00 0.0
May 1970 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
May 1
 30.0 21.1 0.00 0.0
May 2
 11.7 8.9 0.08 0.0
May 3
 13.9 5.6 0.00 0.0
May 4
 20.0 5.0 0.00 0.0
May 5
 16.7 1.7 0.15 0.0
May 6
 7.2 1.1 0.00 0.0
May 7
 12.8 -1.7 0.41 0.0
May 8
 23.3 5.6 0.00 0.0
May 9
 18.9 6.1 0.00 0.0
May 10
 25.6 5.6 0.03 0.0
May 11
 25.6 10.0 0.00 0.0
May 12
 12.8 7.2 0.00 0.0
May 13
 17.8 5.6 0.38 0.0
May 14
 18.3 7.8 0.89 0.0
May 15
 16.7 8.3 0.25 0.0
May 16
 21.1 5.0 1.07 0.0
May 17
 12.8 8.9 n/a 0.0
May 18
 17.2 2.2 0.00 0.0
May 19
 26.1 9.4 0.00 0.0
May 20
 20.0 11.1 0.00 0.0
May 21
 27.2 6.1 0.00 0.0
May 22
 26.7 17.2 n/a 0.0
May 23
 13.3 9.4 0.05 0.0
May 24
 15.0 3.9 0.51 0.0
May 25
 26.7 6.7 0.36 0.0
May 26
 20.6 12.8 0.00 0.0
May 27
 12.2 5.6 0.00 0.0
May 28
 15.6 2.2 0.00 0.0
May 29
 19.4 7.2 0.00 0.0
May 30
 26.1 8.3 0.00 0.0
May 31
 27.2 16.7 0.00 0.0
June 1970 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
June 1
 28.3 18.3 0.00 0.0
June 2
 30.0 21.1 0.23 0.0
June 3
 17.8 11.1 0.05 0.0
June 4
 19.4 5.6 0.00 0.0
June 5
 26.7 10.6 0.00 0.0
June 6
 20.6 11.1 0.00 0.0
June 7
 23.9 8.3 0.00 0.0
June 8
 30.0 16.1 0.00 0.0
June 9
 30.0 17.2 0.00 0.0
June 10
 31.1 15.6 0.00 0.0
June 11
 29.4 18.3 6.73 0.0
June 12
 24.4 16.7 0.00 0.0
June 13
 20.6 10.0 0.00 0.0
June 14
 21.1 6.7 0.20 0.0
June 15
 20.6 13.9 0.56 0.0
June 16
 24.4 16.1 0.00 0.0
June 17
 28.3 16.1 0.61 0.0
June 18
 28.9 18.9 0.30 0.0
June 19
 17.8 13.3 0.00 0.0
June 20
 17.8 7.2 0.00 0.0
June 21
 18.9 10.0 0.10 0.0
June 22
 24.4 7.8 0.00 0.0
June 23
 26.7 13.9 0.00 0.0
June 24
 26.7 16.7 0.00 0.0
June 25
 20.0 11.7 0.00 0.0
June 26
 19.4 9.4 4.24 0.0
June 27
 22.2 11.7 0.00 0.0
June 28
 24.4 8.3 0.10 0.0
June 29
 25.6 15.6 0.00 0.0
June 30
 25.6 21.1 0.00 0.0
July 1970 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
July 1
 28.9 13.3 0.00 0.0
July 2
 24.4 15.6 0.00 0.0
July 3
 30.6 15.6 1.12 0.0
July 4
 25.0 17.2 0.23 0.0
July 5
 25.0 15.0 0.00 0.0
July 6
 27.2 10.6 0.00 0.0
July 7
 28.3 15.0 0.00 0.0
July 8
 28.9 n/a 0.00 0.0
July 9
 24.4 n/a 0.28 0.0
July 10
 25.6 n/a 0.03 0.0
July 11
 25.6 n/a 0.00 0.0
July 12
 27.8 n/a 0.00 0.0
July 13
 25.6 n/a 0.15 0.0
July 14
 27.2 n/a 1.96 0.0
July 15
 30.0 25.6 0.00 0.0
July 16
 21.7 20.0 0.00 0.0
July 17
 28.3 15.0 0.00 0.0
July 18
 24.4 18.3 0.00 0.0
July 19
 22.2 14.4 0.43 0.0
July 20
 22.2 11.1 1.85 0.0
July 21
 22.2 8.9 0.00 0.0
July 22
 26.7 9.4 0.00 0.0
July 23
 27.8 17.8 0.00 0.0
July 24
 28.3 18.3 0.00 0.0
July 25
 28.9 20.6 0.00 0.0
July 26
 31.7 19.4 0.00 0.0
July 27
 31.1 21.1 0.00 0.0
July 28
 28.3 22.8 0.00 0.0
July 29
 28.9 21.7 0.00 0.0
July 30
 28.9 21.7 0.00 0.0
July 31
 31.1 22.8 0.10 0.0
August 1970 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
 30.0 22.8 0.10 0.0
August 2
 28.9 19.4 4.24 0.0
August 3
 26.1 18.9 0.00 0.0
August 4
 22.2 13.3 0.00 0.0
August 5
 23.9 13.3 0.00 0.0
August 6
 25.6 13.3 0.00 0.0
August 7
 26.1 14.4 0.00 0.0
August 8
 26.7 13.9 0.00 0.0
August 9
 27.8 16.1 0.00 0.0
August 10
 26.7 17.2 0.00 0.0
August 11
 29.4 17.2 0.00 0.0
August 12
 27.2 18.9 0.81 0.0
August 13
 30.0 17.2 0.00 0.0
August 14
 28.9 20.0 0.18 0.0
August 15
 31.1 20.0 0.00 0.0
August 16
 29.4 22.2 0.36 0.0
August 17
 26.7 16.1 0.00 0.0
August 18
 24.4 13.3 0.00 0.0
August 19
 26.1 16.7 2.39 0.0
August 20
 28.9 21.7 0.00 0.0
August 21
 23.9 17.2 0.00 0.0
August 22
 23.3 11.1 0.03 0.0
August 23
 21.7 16.1 0.00 0.0
August 24
 25.0 14.4 0.00 0.0
August 25
 27.2 12.8 0.00 0.0
August 26
 29.4 20.0 0.00 0.0
August 27
 25.0 17.8 0.00 0.0
August 28
 28.9 20.0 0.00 0.0
August 29
 24.4 15.6 1.65 0.0
August 30
 28.3 15.0 0.89 0.0
August 31
 18.9 18.9 0.00 0.0
September 1970 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
 21.7 9.4 0.00 0.0
September 2
 23.3 7.8 0.00 0.0
September 3
 25.6 17.2 1.14 0.0
September 4
 26.7 21.7 0.00 0.0
September 5
 21.7 16.1 0.00 0.0
September 6
 24.4 11.1 0.00 0.0
September 7
 25.0 11.7 0.00 0.0
September 8
 27.2 15.0 1.40 0.0
September 9
 23.9 17.8 0.05 0.0
September 10
 27.8 17.8 0.00 0.0
September 11
 22.2 10.0 0.00 0.0
September 12
 23.9 9.4 0.00 0.0
September 13
 20.0 12.2 0.79 0.0
September 14
 15.6 9.4 0.08 0.0
September 15
 21.7 12.8 0.15 0.0
September 16
 20.6 13.3 0.00 0.0
September 17
 18.9 7.8 0.69 0.0
September 18
 17.2 14.4 0.46 0.0
September 19
 22.2 13.9 0.00 0.0
September 20
 25.0 11.1 0.00 0.0
September 21
 28.3 16.7 0.00 0.0
September 22
 28.9 22.8 0.84 0.0
September 23
 20.0 16.1 0.00 0.0
September 24
 30.6 15.0 0.84 0.0
September 25
 24.4 17.2 0.00 0.0
September 26
 26.1 16.7 1.37 0.0
September 27
 15.0 12.2 0.00 0.0
September 28
 14.4 7.2 0.00 0.0
September 29
 12.8 3.3 0.08 0.0
September 30
 15.6 8.3 0.00 0.0
October 1970 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
 12.8 9.4 0.00 0.0
October 2
 19.4 7.2 0.51 0.0
October 3
 17.8 10.6 0.00 0.0
October 4
 12.8 7.2 0.00 0.0
October 5
 18.3 1.7 0.25 0.0
October 6
 22.8 11.7 0.08 0.0
October 7
 22.2 11.7 0.00 0.0
October 8
 24.4 11.1 0.00 0.0
October 9
 23.3 16.7 0.00 0.0
October 10
 20.0 13.9 0.23 0.0
October 11
 15.0 10.6 0.00 0.0
October 12
 20.0 11.7 1.73 0.0
October 13
 22.2 12.8 0.15 0.0
October 14
 20.0 13.3 0.00 0.0
October 15
 19.4 11.1 0.00 0.0
October 16
 11.1 5.0 0.00 0.0
October 17
 10.6 1.1 0.00 0.0
October 18
 17.2 7.2 0.00 0.0
October 19
 12.8 2.2 0.00 0.0
October 20
 18.3 1.7 0.23 0.0
October 21
 14.4 11.7 0.91 0.0
October 22
 15.6 11.7 0.00 0.0
October 23
 15.0 11.7 0.00 0.0
October 24
 14.4 9.4 0.00 0.0
October 25
 13.3 6.1 0.00 0.0
October 26
 14.4 7.8 0.00 0.0
October 27
 17.2 6.1 0.00 0.0
October 28
 15.6 3.9 0.00 0.0
October 29
 13.3 5.6 0.30 0.0
October 30
 13.3 9.4 1.52 0.0
October 31
 15.6 10.6 0.30 0.0
November 1970 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
 13.3 10.0 0.00 0.0
November 2
 16.7 10.0 0.00 0.0
November 3
 11.7 9.4 0.20 0.0
November 4
 8.9 6.7 0.00 0.0
November 5
 7.8 3.3 0.00 0.0
November 6
 12.2 1.7 0.00 0.0
November 7
 10.6 7.2 0.00 0.0
November 8
 12.2 -1.7 0.00 0.0
November 9
 16.7 0.0 0.08 0.0
November 10
 14.4 11.1 0.10 0.0
November 11
 11.1 7.2 0.25 0.0
November 12
 12.2 10.0 0.00 0.0
November 13
 8.9 5.6 0.10 0.0
November 14
 5.6 2.8 1.32 0.8
November 15
 4.4 1.1 0.33 0.0
November 16
 3.9 -2.2 0.00 0.0
November 17
 7.2 1.7 0.00 0.0
November 18
 7.2 2.2 0.00 0.0
November 19
 10.6 4.4 0.20 0.0
November 20
 13.3 2.8 0.79 0.0
November 21
 7.8 3.3 0.08 0.0
November 22
 11.1 3.3 0.05 0.0
November 23
 -2.8 -4.4 0.00 0.0
November 24
 0.0 -3.9 0.00 0.0
November 25
 4.4 -4.4 0.00 0.0
November 26
 9.4 3.3 0.18 0.0
November 27
 10.6 4.4 1.42 0.0
November 28
 8.3 4.4 0.00 0.0
November 29
 10.0 2.8 0.08 0.0
November 30
 5.6 3.9 0.00 0.0
December 1970 St. Catharines Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
 16.1 1.1 0.03 0.0
December 2
 12.8 0.6 0.00 0.0
December 3
 6.7 2.8 2.79 0.0
December 4
 1.7 -2.2 n/a n/a
December 5
 3.3 -6.7 0.00 0.0
December 6
 -2.2 -4.4 0.00 0.0
December 7
 -0.6 -8.3 0.10 1.0
December 8
 6.7 -10.0 0.33 0.0
December 9
 8.3 2.2 0.00 0.0
December 10
 2.8 -0.6 0.30 3.0
December 11
 -0.6 -3.3 1.93 19.3
December 12
 0.0 -3.9 0.74 7.4
December 13
 0.0 -3.3 0.13 1.3
December 14
 1.1 -1.7 0.61 6.1
December 15
 1.1 -2.2 0.00 0.0
December 16
 0.6 -7.2 0.46 4.6
December 17
 1.7 -1.1 0.00 0.0
December 18
 5.6 0.0 0.00 0.0
December 19
 5.6 1.7 0.00 0.0
December 20
 -1.7 -2.8 n/a n/a
December 21
 -3.3 -6.7 n/a n/a
December 22
 -3.9 -8.3 0.28 2.8
December 23
 -1.1 -9.4 0.05 0.5
December 24
 -1.7 -6.7 0.00 0.0
December 25
 -2.2 -5.6 0.53 5.3
December 26
 -1.7 -5.6 0.00 0.0
December 27
 -2.8 -8.3 0.00 0.0
December 28
 -3.9 -8.9 0.00 0.0
December 29
 -4.4 -10.6 n/a n/a
December 30
 -7.2 -13.3 n/a n/a
December 31
 -3.9 -13.3 0.00 0.0
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