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Thunder Bay Weather in 1975

Historical record of Thunder Bay, Ontario weather for the year 1975 based on NOAA data.
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Year:
1975 Thunder Bay Weather Extremes
Highest temperature 37.2 °C July 30
Lowest temperature -35.0 °C January 22
Highest daily low 17.2 °C July 18
Lowest daily high -20.6 °C December 18
Most daily precipitation 3.0 cm January 10
Most daily snow 21.1 cm November 19
Total annual precipitation 59.7 cm -
Total annual snow 182.6 cm -
What was the hottest temperature in Thunder Bay in 1975?
The highest temperature recorded in Thunder Bay, Ontario in 1975 was 37.2 °C which happened on July 30.
Highest Temperatures: All-Time By Year
Highest Temperatures in Thunder Bay in 1975
Rank Temperature Date
1 37.2 °C Jul 30
2 32.8 °C Jul 31
3 32.2 °C Jul 17
4 31.7 °C Aug 1
4 31.7 °C Jul 18
6 31.1 °C Jul 19
6 31.1 °C Jul 16
8 30.6 °C Jun 30
9 30.0 °C Jul 1
10 29.4 °C Aug 9
10 29.4 °C Aug 8
10 29.4 °C Jul 15
10 29.4 °C Jul 4
10 29.4 °C Jul 3
10 29.4 °C Jun 27
What was the coldest temperature in Thunder Bay in 1975?
The lowest temperature recorded in Thunder Bay, Ontario in 1975 was -35.0 °C which happened on Jan 22.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Thunder Bay in 1975
Rank Temperature Date
1 -35.0 °C January 22
2 -34.4 °C February 9
3 -32.8 °C January 21
4 -30.6 °C December 18
5 -28.9 °C January 19
6 -28.3 °C February 8
6 -28.3 °C January 14
8 -27.2 °C December 15
8 -27.2 °C January 28
10 -26.7 °C February 3
10 -26.7 °C January 13
January 1975 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
 -3.9 -17.2 0.00 0.0
January 2
 0.0 -20.6 0.10 1.3
January 3
 0.0 -7.8 0.10 1.3
January 4
 -3.3 -13.3 0.00 0.0
January 5
 -1.7 -5.0 0.05 0.5
January 6
 1.7 -1.7 0.00 0.0
January 7
 1.7 -5.6 0.00 0.0
January 8
 0.6 -6.1 0.20 2.0
January 9
 0.6 -7.8 0.13 1.3
January 10
 1.7 -0.6 2.95 4.3
January 11
 5.0 -20.6 2.44 1.0
January 12
 -16.7 -22.2 0.03 0.3
January 13
 -20.6 -26.7 0.00 0.0
January 14
 -12.8 -28.3 0.05 0.8
January 15
 -13.9 -21.1 0.00 0.0
January 16
 -16.7 -24.4 0.00 0.0
January 17
 -2.2 -24.4 0.13 2.0
January 18
 -2.2 -15.0 0.10 1.3
January 19
 -15.0 -28.9 0.00 0.0
January 20
 -5.6 -23.3 0.56 6.1
January 21
 -7.8 -32.8 0.03 0.3
January 22
 -7.8 -35.0 0.03 0.3
January 23
 -7.8 -16.7 0.00 0.0
January 24
 -0.6 -11.7 0.64 7.4
January 25
 -1.7 -11.7 1.42 14.7
January 26
 -11.1 -22.8 0.00 0.0
January 27
 -11.1 -21.7 0.00 0.0
January 28
 -6.7 -27.2 0.00 0.0
January 29
 -11.7 -21.7 0.00 0.0
January 30
 -10.6 -21.1 0.00 0.0
January 31
 -8.3 -26.1 0.00 0.0
February 1975 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
 -8.9 -25.6 0.00 0.0
February 2
 -7.8 -22.8 0.00 0.0
February 3
 -10.0 -26.7 0.00 0.0
February 4
 0.0 -10.6 0.15 1.8
February 5
 -2.2 -9.4 0.03 0.3
February 6
 -9.4 -19.4 0.00 0.0
February 7
 -12.8 -22.2 0.05 0.5
February 8
 -20.6 -28.3 0.00 0.0
February 9
 -17.2 -34.4 0.00 0.0
February 10
 -11.7 -25.6 0.00 0.0
February 11
 -12.2 -22.8 0.25 3.8
February 12
 -13.3 -20.6 0.13 1.8
February 13
 -5.6 -22.2 0.00 0.0
February 14
 -7.2 -18.9 0.00 0.0
February 15
 -2.8 -16.1 0.00 0.0
February 16
 -2.2 -20.0 0.00 0.0
February 17
 0.0 -8.3 0.00 0.0
February 18
 -0.6 -15.0 0.20 2.0
February 19
 0.6 -20.0 0.00 0.0
February 20
 7.2 -13.3 0.00 0.0
February 21
 3.9 -14.4 0.25 1.0
February 22
 3.9 -0.6 0.00 0.0
February 23
 3.3 -3.3 0.05 0.5
February 24
 1.7 -6.7 0.00 0.0
February 25
 1.1 -7.8 0.00 0.0
February 26
 -6.7 -11.7 0.03 0.3
February 27
 -2.2 -17.8 0.00 0.0
February 28
 -5.6 -17.8 0.00 0.0
March 1975 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
 -4.4 -15.6 0.03 0.3
March 2
 -6.7 -11.1 0.00 0.0
March 3
 -1.7 -12.8 0.00 0.0
March 4
 0.0 -13.9 0.00 0.0
March 5
 -1.7 -5.0 0.13 1.8
March 6
 1.1 -6.1 0.00 0.0
March 7
 -3.3 -13.9 0.00 0.0
March 8
 -5.0 -21.7 0.00 0.0
March 9
 -5.6 -23.3 0.00 0.0
March 10
 -5.6 -23.9 0.00 0.0
March 11
 -1.1 -21.1 0.00 0.0
March 12
 -2.8 -11.7 0.20 1.5
March 13
 -2.8 -17.8 0.00 0.0
March 14
 1.1 -21.1 0.00 0.0
March 15
 3.3 -14.4 0.00 0.0
March 16
 7.2 -12.2 0.00 0.0
March 17
 7.8 -1.7 0.00 0.0
March 18
 11.7 -2.2 0.00 0.0
March 19
 7.8 -4.4 0.18 1.8
March 20
 -0.6 -5.0 0.23 2.5
March 21
 1.1 -2.8 0.53 5.3
March 22
 2.2 -6.7 0.00 0.0
March 23
 -3.9 -10.0 0.00 0.0
March 24
 -6.1 -13.9 0.51 5.1
March 25
 -7.2 -16.1 0.00 0.0
March 26
 -3.9 -21.1 0.00 0.0
March 27
 0.0 -5.0 0.00 0.0
March 28
 1.7 -3.3 1.07 10.4
March 29
 -0.6 -13.3 0.00 0.0
March 30
 -8.3 -22.2 0.00 0.0
March 31
 -3.3 -24.4 0.00 0.0
April 1975 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
 -2.2 -17.2 0.00 0.0
April 2
 0.6 -16.1 0.00 0.0
April 3
 -0.6 -13.3 0.00 0.0
April 4
 0.0 -17.2 0.00 0.0
April 5
 0.6 -12.8 0.00 0.0
April 6
 2.8 -12.8 0.00 0.0
April 7
 3.9 -8.3 0.00 0.0
April 8
 2.2 -7.8 0.00 0.0
April 9
 3.9 -4.4 0.00 0.0
April 10
 5.0 -4.4 0.00 0.0
April 11
 5.0 -9.4 0.00 0.0
April 12
 5.0 -8.3 0.00 0.0
April 13
 10.6 -7.2 0.00 0.0
April 14
 14.4 -5.6 0.00 0.0
April 15
 15.6 -3.3 0.00 0.0
April 16
 13.3 -0.6 0.00 0.0
April 17
 4.4 -1.1 0.51 0.0
April 18
 7.2 1.1 1.09 0.0
April 19
 6.1 1.1 0.00 0.0
April 20
 7.2 -3.9 0.00 0.0
April 21
 10.0 -6.1 0.00 0.0
April 22
 13.3 -3.3 0.00 0.0
April 23
 5.0 2.2 0.53 0.0
April 24
 13.9 0.0 0.00 0.0
April 25
 11.7 -1.7 0.00 0.0
April 26
 10.0 -3.9 0.00 0.0
April 27
 10.0 1.1 0.00 0.0
April 28
 10.6 0.6 0.00 0.0
April 29
 6.1 1.1 0.33 1.3
April 30
 10.0 3.3 0.20 0.0
May 1975 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
May 1
 13.3 1.7 0.03 0.0
May 2
 13.9 -1.7 0.00 0.0
May 3
 6.1 -1.1 0.46 0.0
May 4
 13.3 3.3 0.18 0.0
May 5
 12.2 3.3 0.08 0.0
May 6
 16.7 0.6 0.00 0.0
May 7
 18.9 0.6 0.00 0.0
May 8
 20.0 0.6 0.00 0.0
May 9
 21.7 0.0 0.00 0.0
May 10
 26.1 2.2 0.00 0.0
May 11
 14.4 0.6 0.03 0.0
May 12
 21.7 -2.8 0.00 0.0
May 13
 23.3 1.7 0.00 0.0
May 14
 17.8 2.2 0.05 0.0
May 15
 15.0 1.1 0.00 0.0
May 16
 21.1 -0.6 0.00 0.0
May 17
 26.1 2.8 0.03 0.0
May 18
 26.1 7.2 0.00 0.0
May 19
 13.9 3.3 0.13 0.0
May 20
 18.3 11.1 0.00 0.0
May 21
 24.4 9.4 0.18 0.0
May 22
 24.4 8.9 0.00 0.0
May 23
 20.6 12.8 0.00 0.0
May 24
 18.9 10.0 0.00 0.0
May 25
 22.8 8.3 0.00 0.0
May 26
 23.9 8.9 0.00 0.0
May 27
 22.2 7.8 0.00 0.0
May 28
 20.6 7.8 0.03 0.0
May 29
 20.6 7.2 0.00 0.0
May 30
 20.6 6.7 0.00 0.0
May 31
 14.4 4.4 0.46 0.0
June 1975 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
June 1
 15.0 5.0 0.03 0.0
June 2
 18.3 3.3 0.00 0.0
June 3
 22.2 3.3 0.00 0.0
June 4
 14.4 1.7 0.00 0.0
June 5
 16.1 8.9 0.91 0.0
June 6
 11.7 7.2 0.33 0.0
June 7
 17.2 7.2 0.00 0.0
June 8
 19.4 5.0 0.00 0.0
June 9
 18.3 3.3 0.00 0.0
June 10
 18.3 10.0 0.03 0.0
June 11
 14.4 10.6 0.99 0.0
June 12
 16.1 9.4 1.75 0.0
June 13
 21.7 11.7 0.23 0.0
June 14
 23.3 8.3 0.00 0.0
June 15
 17.2 7.8 0.56 0.0
June 16
 22.8 8.3 0.00 0.0
June 17
 20.0 5.0 0.00 0.0
June 18
 26.7 10.0 0.00 0.0
June 19
 23.9 8.9 0.69 0.0
June 20
 16.1 11.1 2.13 0.0
June 21
 19.4 10.6 0.28 0.0
June 22
 27.2 11.1 0.00 0.0
June 23
 27.2 14.4 0.13 0.0
June 24
 19.4 10.6 0.00 0.0
June 25
 21.7 9.4 0.00 0.0
June 26
 23.3 10.6 0.00 0.0
June 27
 29.4 12.2 0.00 0.0
June 28
 23.3 11.1 0.00 0.0
June 29
 20.6 12.8 0.28 0.0
June 30
 30.6 13.3 0.79 0.0
July 1975 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
July 1
 30.0 15.0 0.64 0.0
July 2
 28.9 17.2 0.10 0.0
July 3
 29.4 14.4 0.00 0.0
July 4
 29.4 12.2 0.15 0.0
July 5
 24.4 14.4 0.00 0.0
July 6
 27.2 13.3 0.18 0.0
July 7
 28.9 13.9 0.00 0.0
July 8
 23.9 10.0 0.00 0.0
July 9
 21.7 5.6 0.00 0.0
July 10
 20.6 8.3 0.25 0.0
July 11
 16.1 8.3 0.36 0.0
July 12
 20.6 6.7 0.00 0.0
July 13
 20.0 8.3 0.03 0.0
July 14
 22.2 11.1 1.30 0.0
July 15
 29.4 12.2 0.00 0.0
July 16
 31.1 15.6 0.00 0.0
July 17
 32.2 16.7 0.00 0.0
July 18
 31.7 17.2 0.00 0.0
July 19
 31.1 15.0 0.00 0.0
July 20
 20.0 11.7 1.42 0.0
July 21
 25.6 10.6 0.76 0.0
July 22
 27.8 12.8 0.00 0.0
July 23
 18.3 13.9 1.17 0.0
July 24
 19.4 10.0 0.28 0.0
July 25
 22.2 7.8 0.00 0.0
July 26
 28.3 9.4 0.00 0.0
July 27
 27.8 13.3 0.00 0.0
July 28
 27.8 10.6 0.00 0.0
July 29
 28.3 13.9 0.00 0.0
July 30
 37.2 16.7 0.00 0.0
July 31
 32.8 16.7 0.00 0.0
August 1975 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
 31.7 16.1 0.00 0.0
August 2
 26.7 15.0 0.08 0.0
August 3
 27.8 11.7 0.48 0.0
August 4
 23.9 13.3 0.00 0.0
August 5
 21.7 8.9 0.00 0.0
August 6
 24.4 6.1 0.00 0.0
August 7
 24.4 5.6 0.00 0.0
August 8
 29.4 11.7 0.00 0.0
August 9
 29.4 12.2 0.13 0.0
August 10
 26.1 10.0 0.00 0.0
August 11
 26.7 10.0 0.00 0.0
August 12
 27.2 10.0 0.00 0.0
August 13
 26.1 12.8 0.00 0.0
August 14
 27.8 10.6 0.05 0.0
August 15
 17.2 10.0 0.28 0.0
August 16
 26.1 9.4 0.03 0.0
August 17
 18.9 5.6 0.00 0.0
August 18
 21.1 2.2 0.00 0.0
August 19
 22.8 8.3 0.00 0.0
August 20
 20.0 7.2 0.30 0.0
August 21
 18.9 8.9 0.56 0.0
August 22
 17.2 5.0 0.00 0.0
August 23
 19.4 11.7 0.69 0.0
August 24
 20.0 15.0 0.51 0.0
August 25
 23.9 13.9 0.00 0.0
August 26
 20.0 11.1 0.05 0.0
August 27
 20.6 6.7 0.38 0.0
August 28
 18.9 11.7 0.00 0.0
August 29
 21.1 7.8 0.00 0.0
August 30
 20.0 3.9 0.00 0.0
August 31
 23.3 4.4 0.00 0.0
September 1975 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
 26.7 8.3 0.00 0.0
September 2
 15.6 2.2 0.00 0.0
September 3
 18.9 8.9 1.04 0.0
September 4
 22.2 5.6 0.00 0.0
September 5
 17.2 6.1 0.81 0.0
September 6
 13.3 7.2 0.00 0.0
September 7
 11.1 6.7 1.32 0.0
September 8
 12.8 0.6 0.00 0.0
September 9
 15.6 -2.2 0.00 0.0
September 10
 20.0 8.9 0.03 0.0
September 11
 13.3 5.0 0.00 0.0
September 12
 8.9 0.0 0.00 0.0
September 13
 11.7 -2.2 0.00 0.0
September 14
 21.7 -0.6 0.00 0.0
September 15
 22.2 7.2 0.05 0.0
September 16
 12.2 3.3 0.00 0.0
September 17
 13.3 6.7 0.00 0.0
September 18
 17.2 11.1 0.84 0.0
September 19
 15.6 4.4 0.03 0.0
September 20
 12.8 6.1 1.19 0.0
September 21
 7.8 2.2 0.05 0.0
September 22
 12.2 5.6 0.30 0.0
September 23
 15.6 1.7 0.10 0.0
September 24
 15.6 -0.6 0.00 0.0
September 25
 15.0 -1.1 0.00 0.0
September 26
 18.3 -2.2 0.00 0.0
September 27
 21.1 0.6 0.00 0.0
September 28
 21.7 1.7 0.00 0.0
September 29
 15.6 0.0 0.00 0.0
September 30
 15.6 3.3 0.05 0.0
October 1975 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
 7.2 -5.0 0.00 0.0
October 2
 16.1 -6.7 0.00 0.0
October 3
 18.3 0.6 0.00 0.0
October 4
 17.2 -2.8 0.00 0.0
October 5
 21.1 10.6 0.00 0.0
October 6
 12.2 -1.1 0.00 0.0
October 7
 24.4 -1.1 0.00 0.0
October 8
 13.3 7.8 0.00 0.0
October 9
 15.6 6.1 0.58 0.0
October 10
 10.6 5.0 0.48 0.0
October 11
 10.6 7.2 0.00 0.0
October 12
 11.1 3.9 0.05 0.0
October 13
 13.9 2.8 0.00 0.0
October 14
 8.3 1.7 0.33 0.0
October 15
 7.2 0.6 0.71 0.0
October 16
 8.3 -0.6 0.00 0.0
October 17
 11.7 -4.4 0.00 0.0
October 18
 12.8 -5.0 0.00 0.0
October 19
 13.9 -5.0 0.00 0.0
October 20
 18.3 -1.7 0.00 0.0
October 21
 15.6 -3.3 0.00 0.0
October 22
 11.7 0.0 0.03 0.0
October 23
 7.2 5.6 0.84 0.0
October 24
 12.2 4.4 2.16 0.0
October 25
 7.8 -3.9 0.03 0.0
October 26
 10.6 -5.6 0.00 0.0
October 27
 12.2 1.1 0.00 0.0
October 28
 7.2 0.0 0.00 0.0
October 29
 3.9 -7.2 0.00 0.0
October 30
 7.2 -7.2 0.00 0.0
October 31
 12.8 6.1 0.00 0.0
November 1975 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
 13.9 -1.7 0.00 0.0
November 2
 16.7 -3.9 0.00 0.0
November 3
 17.2 -2.2 0.00 0.0
November 4
 21.7 -2.8 0.00 0.0
November 5
 12.8 -0.6 0.00 0.0
November 6
 17.2 -1.7 0.00 0.0
November 7
 16.1 9.4 0.00 0.0
November 8
 13.3 -1.1 0.00 0.0
November 9
 6.1 -6.1 0.66 0.0
November 10
 5.6 0.6 2.01 13.7
November 11
 2.8 -3.3 0.41 4.1
November 12
 -1.1 -5.0 0.05 0.5
November 13
 -0.6 -10.6 0.00 0.0
November 14
 5.6 -13.3 0.00 0.0
November 15
 8.3 -7.8 0.00 0.0
November 16
 8.3 -4.4 0.00 0.0
November 17
 12.8 -2.2 0.00 0.0
November 18
 6.7 -2.8 0.53 0.3
November 19
 2.2 -3.3 2.59 21.1
November 20
 -2.2 -6.1 0.71 7.4
November 21
 -4.4 -9.4 0.00 0.0
November 22
 -5.6 -12.8 0.00 0.0
November 23
 -7.8 -15.6 0.00 0.0
November 24
 -12.2 -23.9 0.00 0.0
November 25
 -8.3 -25.0 0.00 0.0
November 26
 -3.9 -22.8 0.08 1.5
November 27
 -4.4 -18.3 0.05 0.8
November 28
 0.0 -21.1 0.00 0.0
November 29
 3.3 -1.1 1.17 0.5
November 30
 1.7 -13.3 1.12 5.8
December 1975 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
 -12.2 -22.2 0.00 0.0
December 2
 -10.0 -23.9 0.00 0.0
December 3
 -3.9 -24.4 0.79 10.4
December 4
 3.3 -4.4 0.03 0.5
December 5
 4.4 -14.4 0.00 0.0
December 6
 -11.7 -20.6 0.00 0.0
December 7
 -3.3 -15.0 0.00 0.0
December 8
 -3.3 -17.2 0.00 0.0
December 9
 -0.6 -16.1 0.00 0.0
December 10
 -0.6 -15.0 0.30 4.1
December 11
 -11.7 -22.2 0.00 0.0
December 12
 -2.8 -24.4 0.00 0.0
December 13
 1.7 n/a 0.61 6.1
December 14
 0.6 -22.2 0.00 0.0
December 15
 -6.7 -27.2 0.25 5.1
December 16
 -6.1 -16.7 0.53 9.9
December 17
 -16.1 -26.1 0.00 0.0
December 18
 -20.6 -30.6 0.00 0.0
December 19
 -8.3 -22.2 0.10 2.3
December 20
 -12.2 -20.6 0.00 0.0
December 21
 -3.3 -21.7 0.00 0.0
December 22
 -3.9 -15.6 0.00 0.0
December 23
 -4.4 -17.2 0.00 0.0
December 24
 -2.8 -13.9 0.03 0.8
December 25
 -9.4 -23.3 0.00 0.3
December 26
 -11.7 -24.4 0.00 0.0
December 27
 -5.0 -23.3 0.00 0.0
December 28
 -1.7 -9.4 0.00 0.0
December 29
 1.1 -2.2 0.00 0.0
December 30
 0.0 -2.8 0.03 0.5
December 31
 -1.1 -16.1 0.00 0.0
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