< Previous Year Next Year >

Thunder Bay Weather in 1973

Historical record of Thunder Bay, Ontario weather for the year 1973 based on NOAA data.
Jump to Month:
Year:
1973 Thunder Bay Weather Extremes
Highest temperature 31.7 °C August 28
Lowest temperature -34.4 °C January 8
Highest daily low 17.8 °C September 2
Lowest daily high -21.1 °C December 31
Most daily precipitation 8.7 cm August 19
Most daily snow 11.7 cm January 3
Total annual precipitation 87.3 cm -
Total annual snow 96.8 cm -
What was the hottest temperature in Thunder Bay in 1973?
The highest temperature recorded in Thunder Bay, Ontario in 1973 was 31.7 °C which happened 3 different times.
Highest Temperatures: All-Time By Year
Highest Temperatures in Thunder Bay in 1973
Rank Temperature Date
1 31.7 °C Aug 28
1 31.7 °C Jul 7
1 31.7 °C Jul 6
4 30.0 °C Aug 29
4 30.0 °C Jul 8
6 29.4 °C Jul 3
7 28.9 °C Sep 2
8 28.3 °C Jul 2
9 27.8 °C Aug 12
9 27.8 °C Aug 5
9 27.8 °C Jul 5
What was the coldest temperature in Thunder Bay in 1973?
The lowest temperature recorded in Thunder Bay, Ontario in 1973 was -34.4 °C which happened on Jan 8.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Thunder Bay in 1973
Rank Temperature Date
1 -34.4 °C January 8
2 -33.9 °C January 7
3 -32.2 °C February 16
3 -32.2 °C January 6
5 -31.7 °C February 17
6 -31.1 °C February 15
6 -31.1 °C February 10
8 -30.6 °C December 31
8 -30.6 °C January 5
10 -29.4 °C February 24
January 1973 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
 -10.0 -16.7 0.00 0.0
January 2
 -2.8 -13.3 0.00 0.0
January 3
 1.1 -10.6 1.04 11.7
January 4
 -1.1 -20.0 0.23 2.8
January 5
 -18.3 -30.6 0.00 0.0
January 6
 -17.2 -32.2 0.00 0.0
January 7
 -18.9 -33.9 0.00 0.0
January 8
 -17.2 -34.4 0.00 0.0
January 9
 -17.2 -23.3 0.00 0.0
January 10
 -14.4 -21.1 0.00 0.0
January 11
 -10.0 -22.8 0.00 0.0
January 12
 -4.4 -12.2 0.00 0.0
January 13
 -3.9 -15.0 0.05 0.5
January 14
 -1.1 -17.2 0.08 1.0
January 15
 2.2 -7.2 0.00 0.0
January 16
 5.0 -8.3 0.00 0.0
January 17
 0.6 -3.9 0.03 0.0
January 18
 3.3 0.0 0.00 0.0
January 19
 0.6 -13.3 0.13 1.3
January 20
 -8.9 -25.6 0.00 0.0
January 21
 -1.1 -12.2 0.00 0.0
January 22
 -0.6 -7.2 0.66 7.4
January 23
 -3.3 -15.6 0.00 0.0
January 24
 1.1 -17.2 0.00 0.0
January 25
 7.8 -5.6 0.00 0.0
January 26
 3.9 -7.2 0.00 0.0
January 27
 -1.1 -10.6 0.03 0.3
January 28
 -10.0 -23.9 0.00 0.0
January 29
 -3.9 -25.6 0.00 0.0
January 30
 -11.7 -26.7 0.00 0.0
January 31
 -3.3 -15.0 0.10 1.5
February 1973 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
 -0.6 -3.9 0.05 0.5
February 2
 -1.7 -5.0 0.03 0.5
February 3
 1.1 -7.2 0.00 0.0
February 4
 -0.6 -16.1 0.00 0.0
February 5
 -1.7 -21.7 0.00 0.0
February 6
 -1.1 -18.3 0.00 0.0
February 7
 -12.2 -23.9 0.00 0.0
February 8
 -8.3 -23.3 0.00 0.0
February 9
 -8.9 -19.4 0.00 0.0
February 10
 -15.0 -31.1 0.00 0.0
February 11
 -2.2 -27.2 0.00 0.0
February 12
 -1.1 -5.0 0.08 1.5
February 13
 0.6 -13.9 0.10 1.3
February 14
 -13.3 -24.4 0.10 1.0
February 15
 -17.8 -31.1 0.00 0.0
February 16
 -13.9 -32.2 0.00 0.0
February 17
 -7.8 -31.7 0.00 0.3
February 18
 0.0 -12.2 0.03 0.5
February 19
 -1.1 -24.4 0.05 1.0
February 20
 -10.0 -27.2 0.08 1.0
February 21
 -9.4 -18.9 0.25 2.5
February 22
 -4.4 -12.2 0.20 4.3
February 23
 -5.6 -21.1 0.00 0.0
February 24
 -8.9 -29.4 0.00 0.0
February 25
 -1.7 -22.8 0.00 0.0
February 26
 -8.9 -23.3 0.03 0.8
February 27
 0.0 -11.7 0.08 1.0
February 28
 -5.6 -11.1 0.23 2.0
March 1973 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
 -3.3 -5.6 0.00 0.0
March 2
 2.8 -3.3 0.00 0.0
March 3
 6.7 -2.2 0.00 0.0
March 4
 1.1 -7.2 0.00 0.0
March 5
 1.1 -10.6 0.00 0.0
March 6
 1.7 0.0 0.10 0.0
March 7
 4.4 1.1 2.36 0.3
March 8
 2.8 -8.9 0.00 0.0
March 9
 -0.6 -12.2 0.00 0.0
March 10
 1.1 -8.9 0.00 0.0
March 11
 3.9 0.6 1.14 0.0
March 12
 4.4 -1.7 0.00 0.0
March 13
 2.8 -0.6 1.27 3.6
March 14
 2.8 1.1 2.57 0.5
March 15
 2.2 -2.8 0.00 0.0
March 16
 -0.6 -6.1 0.00 0.0
March 17
 -1.7 -10.0 0.00 0.0
March 18
 2.8 -11.1 0.00 0.0
March 19
 6.1 -4.4 0.00 0.0
March 20
 3.9 -9.4 0.00 0.0
March 21
 3.3 -11.1 0.00 0.0
March 22
 5.0 -10.6 0.00 0.0
March 23
 3.9 -6.7 0.00 0.0
March 24
 11.7 -2.8 0.00 0.0
March 25
 12.2 -2.2 0.00 0.0
March 26
 3.9 -5.6 0.00 0.0
March 27
 12.2 -6.1 0.00 0.0
March 28
 11.1 -0.6 0.00 0.0
March 29
 5.0 -5.0 0.00 0.0
March 30
 8.3 -6.7 0.00 0.0
March 31
 7.8 -7.2 0.00 0.0
April 1973 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
 10.6 0.0 0.00 0.0
April 2
 9.4 0.0 0.00 0.3
April 3
 10.0 1.1 0.00 0.0
April 4
 7.8 -4.4 0.00 0.0
April 5
 8.3 -7.8 0.23 2.3
April 6
 5.0 -4.4 0.08 0.8
April 7
 2.8 -6.1 0.00 0.0
April 8
 1.1 -8.9 0.00 0.0
April 9
 0.6 -8.9 0.00 0.0
April 10
 5.0 -9.4 0.00 0.0
April 11
 5.6 -7.8 0.03 0.3
April 12
 5.6 -6.1 0.05 0.5
April 13
 11.7 -8.9 0.00 0.0
April 14
 15.6 -5.6 0.00 0.0
April 15
 13.9 3.3 1.24 0.0
April 16
 5.0 -2.2 0.64 2.8
April 17
 8.3 -7.2 0.00 0.0
April 18
 10.0 -3.9 0.00 0.0
April 19
 10.6 3.9 0.20 0.0
April 20
 9.4 6.1 0.33 0.0
April 21
 19.4 4.4 0.48 0.0
April 22
 11.1 1.1 0.00 0.0
April 23
 6.7 0.6 0.00 0.0
April 24
 10.6 -1.1 0.00 0.0
April 25
 12.2 -3.9 0.00 0.0
April 26
 11.1 -5.0 0.00 0.0
April 27
 8.3 -3.3 0.00 0.0
April 28
 9.4 -4.4 0.00 0.0
April 29
 10.6 -7.2 0.00 0.0
April 30
 11.1 -0.6 0.00 0.0
May 1973 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
May 1
 7.2 2.2 0.81 0.0
May 2
 3.3 0.0 0.10 1.0
May 3
 12.2 1.7 0.00 0.0
May 4
 15.0 -1.1 0.00 0.0
May 5
 14.4 -3.3 0.00 0.0
May 6
 10.0 4.4 1.02 0.0
May 7
 11.1 5.0 0.56 0.0
May 8
 13.9 3.9 0.08 0.0
May 9
 15.6 -1.1 0.00 0.0
May 10
 13.3 4.4 0.00 0.0
May 11
 12.8 2.2 0.00 0.0
May 12
 8.3 -0.6 0.00 0.0
May 13
 12.2 -3.9 0.00 0.0
May 14
 13.3 -2.2 0.00 0.0
May 15
 22.2 -2.8 0.05 0.0
May 16
 10.6 0.0 0.00 0.0
May 17
 15.0 -3.3 0.00 0.0
May 18
 10.6 5.0 0.00 0.0
May 19
 14.4 -1.1 0.00 0.0
May 20
 17.8 3.3 0.00 0.0
May 21
 19.4 0.6 0.00 0.0
May 22
 18.9 0.6 0.00 0.0
May 23
 18.9 3.3 0.00 0.0
May 24
 13.3 8.3 0.86 0.0
May 25
 13.9 9.4 0.86 0.0
May 26
 17.2 10.0 0.00 0.0
May 27
 22.8 7.8 0.00 0.0
May 28
 18.9 5.0 0.00 0.0
May 29
 18.9 1.1 0.00 0.0
May 30
 20.0 1.7 0.53 0.0
May 31
 20.0 7.2 0.00 0.0
June 1973 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
June 1
 17.8 5.0 0.00 0.0
June 2
 13.9 7.8 0.00 0.0
June 3
 10.0 7.8 1.04 0.0
June 4
 26.7 8.3 0.08 0.0
June 5
 25.0 8.3 1.12 0.0
June 6
 23.9 7.8 0.20 0.0
June 7
 17.8 6.7 0.03 0.0
June 8
 18.3 6.7 1.55 0.0
June 9
 20.0 9.4 0.15 0.0
June 10
 22.8 6.7 1.80 0.0
June 11
 26.7 11.1 0.00 0.0
June 12
 23.9 9.4 0.00 0.0
June 13
 25.0 8.3 0.00 0.0
June 14
 13.9 7.2 0.00 0.0
June 15
 20.0 7.2 0.64 0.0
June 16
 13.9 8.3 0.10 0.0
June 17
 11.7 7.2 0.86 0.0
June 18
 12.8 7.2 0.00 0.0
June 19
 24.4 10.0 0.00 0.0
June 20
 20.0 9.4 0.03 0.0
June 21
 19.4 9.4 0.66 0.0
June 22
 17.8 8.9 0.00 0.0
June 23
 21.7 8.3 0.15 0.0
June 24
 19.4 6.7 0.00 0.0
June 25
 16.7 8.9 0.05 0.0
June 26
 17.2 10.6 0.10 0.0
June 27
 17.8 11.1 0.00 0.0
June 28
 18.3 11.7 0.10 0.0
June 29
 16.1 11.1 0.23 0.0
June 30
 21.7 9.4 0.00 0.0
July 1973 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
July 1
 25.0 7.8 0.00 0.0
July 2
 28.3 9.4 0.00 0.0
July 3
 29.4 10.6 0.00 0.0
July 4
 22.2 13.3 0.00 0.0
July 5
 27.8 9.4 0.00 0.0
July 6
 31.7 13.3 3.05 0.0
July 7
 31.7 13.3 0.03 0.0
July 8
 30.0 12.2 0.00 0.0
July 9
 26.7 11.7 0.05 0.0
July 10
 22.8 9.4 0.00 0.0
July 11
 25.0 7.8 0.00 0.0
July 12
 21.1 11.1 0.46 0.0
July 13
 23.3 8.9 0.00 0.0
July 14
 20.6 9.4 0.03 0.0
July 15
 22.2 7.8 0.00 0.0
July 16
 25.0 5.0 0.00 0.0
July 17
 22.8 13.3 0.99 0.0
July 18
 26.7 13.9 3.10 0.0
July 19
 23.9 11.7 1.37 0.0
July 20
 23.3 12.8 0.00 0.0
July 21
 26.1 10.6 0.00 0.0
July 22
 25.6 10.6 0.00 0.0
July 23
 21.1 11.7 0.00 0.0
July 24
 17.8 13.3 0.94 0.0
July 25
 18.9 13.9 0.05 0.0
July 26
 21.1 13.3 0.20 0.0
July 27
 16.7 10.6 5.38 0.0
July 28
 23.3 8.3 0.00 0.0
July 29
 25.6 7.2 0.00 0.0
July 30
 19.4 11.7 0.00 0.0
July 31
 22.8 10.0 0.00 0.0
August 1973 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
 23.9 7.2 0.00 0.0
August 2
 25.6 7.2 0.00 0.0
August 3
 25.6 8.3 0.00 0.0
August 4
 23.9 7.8 0.53 0.0
August 5
 27.8 12.2 0.10 0.0
August 6
 23.3 15.6 0.33 0.0
August 7
 25.6 15.6 0.00 0.0
August 8
 17.8 15.6 1.24 0.0
August 9
 25.0 13.3 0.20 0.0
August 10
 23.9 12.8 0.86 0.0
August 11
 23.9 12.8 0.00 0.0
August 12
 27.8 10.6 0.00 0.0
August 13
 23.3 12.8 0.51 0.0
August 14
 23.3 8.9 0.00 0.0
August 15
 19.4 8.9 0.00 0.0
August 16
 17.8 13.9 0.41 0.0
August 17
 25.0 15.0 0.08 0.0
August 18
 22.8 13.3 0.00 0.0
August 19
 22.2 16.1 8.71 0.0
August 20
 22.2 10.6 0.00 0.0
August 21
 21.7 6.7 0.00 0.0
August 22
 22.8 7.2 0.00 0.0
August 23
 21.7 8.3 0.00 0.0
August 24
 21.7 5.6 0.00 0.0
August 25
 21.7 12.8 0.03 0.0
August 26
 19.4 15.6 0.05 0.0
August 27
 21.1 16.7 0.00 0.0
August 28
 31.7 17.8 0.00 0.0
August 29
 30.0 15.6 0.00 0.0
August 30
 22.8 12.2 0.36 0.0
August 31
 20.6 16.7 0.25 0.0
September 1973 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
 27.2 17.2 1.96 0.0
September 2
 28.9 17.8 0.84 0.0
September 3
 18.9 16.7 2.82 0.0
September 4
 24.4 15.0 0.00 0.0
September 5
 21.1 11.1 0.00 0.0
September 6
 20.0 5.6 0.00 0.0
September 7
 19.4 4.4 0.00 0.0
September 8
 20.0 1.7 0.00 0.0
September 9
 21.1 2.2 0.00 0.0
September 10
 23.9 10.0 0.00 0.0
September 11
 19.4 6.1 0.00 0.0
September 12
 15.6 2.2 0.00 0.0
September 13
 15.6 0.6 0.00 0.0
September 14
 15.6 10.0 0.33 0.0
September 15
 10.0 2.2 0.84 0.0
September 16
 13.9 -0.6 0.00 0.0
September 17
 17.8 -1.1 0.00 0.0
September 18
 16.1 2.8 0.00 0.0
September 19
 11.7 1.7 0.00 0.0
September 20
 11.7 -1.1 0.00 0.0
September 21
 11.1 -1.7 1.07 0.0
September 22
 9.4 5.6 2.16 0.0
September 23
 12.8 1.1 0.00 0.0
September 24
 12.8 3.9 0.00 0.0
September 25
 23.3 6.7 0.99 0.0
September 26
 13.3 6.7 1.45 0.0
September 27
 19.4 6.1 0.00 0.0
September 28
 23.9 1.7 0.00 0.0
September 29
 18.9 2.8 0.00 0.0
September 30
 19.4 -0.6 0.00 0.0
October 1973 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
 21.1 1.1 0.00 0.0
October 2
 20.0 4.4 0.00 0.0
October 3
 17.8 4.4 0.00 0.0
October 4
 16.1 2.2 0.00 0.0
October 5
 18.3 1.7 0.00 0.0
October 6
 17.2 0.0 0.00 0.0
October 7
 17.8 7.2 0.00 0.0
October 8
 15.6 11.1 0.00 0.0
October 9
 15.0 11.7 3.20 0.0
October 10
 23.3 13.3 0.00 0.0
October 11
 15.6 9.4 2.03 0.0
October 12
 17.2 2.2 0.18 0.0
October 13
 14.4 1.7 0.10 0.0
October 14
 16.7 0.6 0.00 0.0
October 15
 11.7 0.6 0.03 0.0
October 16
 7.2 2.8 0.00 0.0
October 17
 5.6 -1.7 0.15 0.5
October 18
 6.7 -2.8 0.00 0.0
October 19
 12.8 2.2 0.15 0.0
October 20
 11.7 -1.7 0.00 0.0
October 21
 18.3 -1.1 0.00 0.0
October 22
 20.6 3.9 0.00 0.0
October 23
 11.1 6.1 0.00 0.0
October 24
 14.4 7.2 0.00 0.0
October 25
 14.4 3.3 0.56 0.0
October 26
 7.2 -1.1 0.10 0.0
October 27
 5.0 0.0 0.05 0.0
October 28
 4.4 -3.9 0.00 0.0
October 29
 8.3 -6.1 0.00 0.0
October 30
 5.0 -5.6 0.00 0.0
October 31
 5.6 2.8 0.36 0.0
November 1973 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
 3.9 -2.8 0.03 0.0
November 2
 3.3 -3.9 0.00 0.0
November 3
 0.6 -5.0 0.00 0.0
November 4
 -2.2 -10.0 0.00 0.0
November 5
 -3.3 -11.1 0.00 0.0
November 6
 0.0 -9.4 0.00 0.0
November 7
 -1.1 -11.1 0.46 5.1
November 8
 -3.9 -10.0 0.05 0.5
November 9
 -2.2 -10.6 0.00 0.0
November 10
 0.6 -7.8 0.00 0.0
November 11
 7.8 -2.8 0.08 1.3
November 12
 5.6 -6.1 0.00 0.0
November 13
 0.0 -6.7 0.66 5.6
November 14
 -0.6 -4.4 0.05 0.3
November 15
 -1.1 -6.1 0.00 0.0
November 16
 0.0 -9.4 0.00 0.0
November 17
 2.8 -13.3 0.05 0.5
November 18
 2.8 1.1 0.03 0.0
November 19
 1.7 -1.7 0.00 0.0
November 20
 5.6 1.1 0.76 0.0
November 21
 6.1 3.9 6.30 0.0
November 22
 5.0 -0.6 0.00 0.0
November 23
 2.8 -6.1 0.00 0.0
November 24
 0.6 -8.9 0.00 0.0
November 25
 3.9 -10.0 0.00 0.0
November 26
 5.0 2.2 0.13 0.0
November 27
 6.1 -3.3 0.05 0.0
November 28
 -1.7 -4.4 0.00 0.0
November 29
 1.7 -3.9 0.05 0.5
November 30
 -0.6 -9.4 0.00 0.0
December 1973 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
 1.1 -10.0 0.00 0.0
December 2
 3.3 0.0 0.00 0.0
December 3
 3.3 -5.6 0.00 0.0
December 4
 -3.9 -11.1 0.00 0.0
December 5
 -5.6 -11.1 0.13 1.3
December 6
 -6.7 -17.8 0.00 0.3
December 7
 0.6 -18.3 0.00 0.0
December 8
 2.8 -11.7 0.00 0.0
December 9
 2.2 -12.8 0.00 0.0
December 10
 -12.2 -18.9 0.00 0.0
December 11
 -5.6 -18.3 0.28 5.8
December 12
 -7.8 -18.9 0.00 0.0
December 13
 -15.0 -22.8 0.00 0.0
December 14
 -10.6 -22.2 0.00 0.0
December 15
 -10.0 -16.1 0.00 0.0
December 16
 -8.9 -21.1 0.03 0.8
December 17
 -7.8 -22.8 0.00 0.0
December 18
 -13.3 -18.3 0.00 0.0
December 19
 -8.9 -20.6 0.05 1.8
December 20
 -12.2 -23.3 0.00 0.0
December 21
 -5.6 -25.0 0.00 0.0
December 22
 -3.3 -13.9 0.38 5.3
December 23
 -8.3 -24.4 0.00 0.0
December 24
 -2.2 -21.1 0.15 2.0
December 25
 0.0 -3.3 0.13 1.5
December 26
 -3.3 -8.3 0.00 0.0
December 27
 -6.7 -11.1 0.56 5.8
December 28
 -4.4 -10.0 0.03 0.8
December 29
 -10.0 -19.4 0.00 0.0
December 30
 -17.8 -26.1 0.00 0.0
December 31
 -21.1 -30.6 0.00 0.0
Next Year >
Weather Station Details
Years Station Coordinates
2004–2024 Thunder Bay CS location
1941–2003 Thunder Bay A location
© H Brothers Inc, 2021–2024
Contact us | Privacy policy