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Thunder Bay Weather in 1941

Historical record of Thunder Bay, Ontario weather for the year 1941 based on NOAA data.
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1941 Thunder Bay Weather Extremes
note: data for this year is incomplete
Highest temperature 29.4 °C August 3
Lowest temperature -22.8 °C December 20
Highest daily low 17.2 °C August 11
Lowest daily high -13.9 °C December 31
Most daily precipitation 5.4 cm September 21
Most daily snow 18.5 cm December 12
Total annual precipitation 44.4 cm -
Total annual snow 54.5 cm -
What was the hottest temperature in Thunder Bay in 1941?
The highest temperature recorded in Thunder Bay, Ontario in 1941 was 29.4 °C which happened 2 different times.
Highest Temperatures: All-Time By Year
Highest Temperatures in Thunder Bay in 1941
Rank Temperature Date
1 29.4 °C Aug 3
1 29.4 °C Aug 2
3 28.9 °C Sep 21
4 28.3 °C Aug 14
4 28.3 °C Aug 8
4 28.3 °C Aug 1
7 27.2 °C Sep 20
7 27.2 °C Aug 6
7 27.2 °C Aug 4
10 26.7 °C Aug 7
What was the coldest temperature in Thunder Bay in 1941?
The lowest temperature recorded in Thunder Bay, Ontario in 1941 was -22.8 °C which happened on Dec 20.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Thunder Bay in 1941
Rank Temperature Date
1 -22.8 °C December 20
2 -22.2 °C December 11
3 -21.1 °C December 31
4 -19.4 °C December 29
5 -18.9 °C December 10
6 -18.3 °C December 28
6 -18.3 °C December 9
8 -16.7 °C December 17
8 -16.7 °C December 12
8 -16.7 °C November 24
August 1941 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
 28.3 10.6 0.00 0.0
August 2
 29.4 11.1 0.56 0.0
August 3
 29.4 17.2 0.00 0.0
August 4
 27.2 15.6 0.03 0.0
August 5
 25.6 11.7 0.00 0.0
August 6
 27.2 8.9 0.00 0.0
August 7
 26.7 16.7 0.99 0.0
August 8
 28.3 15.6 0.00 0.0
August 9
 21.7 13.3 0.03 0.0
August 10
 22.8 11.1 0.66 0.0
August 11
 26.1 17.2 0.61 0.0
August 12
 18.3 8.9 0.00 0.0
August 13
 23.9 4.4 0.00 0.0
August 14
 28.3 8.9 0.08 0.0
August 15
 23.9 14.4 0.58 0.0
August 16
 20.0 10.0 0.00 0.0
August 17
 21.7 5.0 0.15 0.0
August 18
 20.6 12.8 0.33 0.0
August 19
 21.1 7.8 0.00 0.0
August 20
 22.8 6.7 0.08 0.0
August 21
 23.3 7.8 0.08 0.0
August 22
 18.3 9.4 0.00 0.0
August 23
 19.4 6.1 0.00 0.0
August 24
 14.4 4.4 4.50 0.0
August 25
 17.2 9.4 0.36 0.0
August 26
 16.7 6.1 0.10 0.0
August 27
 18.3 1.7 0.00 0.0
August 28
 15.6 2.8 0.23 0.0
August 29
 22.2 11.7 0.00 0.0
August 30
 19.4 15.0 0.13 0.0
August 31
 20.0 14.4 0.38 0.0
September 1941 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
 21.7 6.7 0.00 0.0
September 2
 23.3 5.6 0.00 0.0
September 3
 21.1 10.0 0.00 0.0
September 4
 18.3 13.9 3.18 0.0
September 5
 19.4 13.3 0.05 0.0
September 6
 16.1 9.4 0.03 0.0
September 7
 15.0 3.9 0.00 0.0
September 8
 11.1 7.8 0.89 0.0
September 9
 11.7 8.3 0.66 0.0
September 10
 13.3 5.0 0.03 0.0
September 11
 17.2 -0.6 0.00 0.0
September 12
 17.2 -0.6 0.10 0.0
September 13
 17.2 11.1 2.54 0.0
September 14
 17.8 11.1 2.13 0.0
September 15
 22.8 11.7 0.00 0.0
September 16
 20.0 11.7 0.33 0.0
September 17
 21.1 12.8 0.00 0.0
September 18
 17.2 3.3 3.28 0.0
September 19
 22.2 11.7 0.48 0.0
September 20
 27.2 13.9 0.69 0.0
September 21
 28.9 16.1 5.41 0.0
September 22
 15.6 11.7 0.00 0.0
September 23
 15.6 3.3 0.00 0.0
September 24
 18.3 10.0 0.00 0.0
September 25
 8.9 3.3 0.00 0.0
September 26
 13.9 3.9 0.00 0.0
September 27
 7.2 3.9 0.99 0.0
September 28
 8.9 1.7 0.00 0.0
September 29
 16.1 -2.8 0.00 0.0
September 30
 9.4 1.7 0.41 0.0
October 1941 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
 10.6 3.3 0.00 0.0
October 2
 15.0 0.0 1.37 0.0
October 3
 15.6 7.2 0.10 0.0
October 4
 16.7 0.0 0.05 0.0
October 5
 10.6 5.6 0.00 0.0
October 6
 10.0 3.3 1.63 0.0
October 7
 11.7 6.1 1.22 0.0
October 8
 8.9 0.6 0.28 0.0
October 9
 15.0 4.4 0.00 0.0
October 10
 7.8 1.7 0.00 0.0
October 11
 9.4 -1.1 0.00 0.0
October 12
 20.6 0.0 0.00 0.0
October 13
 15.6 1.7 0.30 0.0
October 14
 17.2 4.4 0.00 0.0
October 15
 13.9 6.1 0.00 0.0
October 16
 17.2 -2.2 0.00 0.0
October 17
 16.1 4.4 0.00 0.0
October 18
 15.0 2.2 0.00 0.0
October 19
 10.0 -3.9 0.00 0.0
October 20
 11.1 6.1 0.76 0.0
October 21
 16.1 4.4 0.00 0.0
October 22
 18.9 1.7 0.00 0.0
October 23
 10.0 2.2 0.00 0.0
October 24
 6.7 0.6 0.00 0.0
October 25
 6.7 -6.7 0.00 0.0
October 26
 13.3 -2.2 0.03 0.0
October 27
 -1.7 -10.0 0.00 0.0
October 28
 5.0 -5.0 0.00 0.0
October 29
 5.6 -8.3 0.10 0.0
October 30
 3.9 0.0 0.00 0.0
October 31
 5.6 -8.3 0.00 0.0
November 1941 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
 4.4 -5.6 0.00 0.0
November 2
 7.2 -4.4 0.00 0.0
November 3
 6.1 -2.2 0.00 0.0
November 4
 2.2 -2.2 0.00 0.0
November 5
 3.3 -3.3 0.00 0.0
November 6
 4.4 -1.7 0.00 0.0
November 7
 2.2 -2.2 0.00 0.0
November 8
 1.1 -3.3 0.00 0.0
November 9
 0.6 -1.1 0.00 0.0
November 10
 1.1 -2.8 0.00 0.0
November 11
 2.8 -3.3 0.00 0.0
November 12
 3.3 -7.8 0.00 0.0
November 13
 5.6 0.0 0.18 0.0
November 14
 7.2 -8.3 0.00 0.0
November 15
 8.3 1.1 0.00 0.0
November 16
 1.7 -4.4 0.13 1.3
November 17
 5.0 -2.2 0.20 0.5
November 18
 5.6 2.2 0.23 0.0
November 19
 7.8 2.2 0.79 0.3
November 20
 0.6 -2.2 0.20 2.0
November 21
 -1.1 -5.0 0.25 2.5
November 22
 -3.3 -9.4 0.00 0.0
November 23
 -9.4 -14.4 0.00 0.0
November 24
 0.6 -16.7 0.00 0.0
November 25
 5.6 -12.8 0.00 0.0
November 26
 -6.7 -8.3 0.79 7.6
November 27
 -1.1 -15.0 0.00 0.0
November 28
 -1.1 -15.6 0.00 0.0
November 29
 -3.9 -9.4 0.00 0.0
November 30
 2.8 -15.6 0.00 0.0
December 1941 Thunder Bay Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
 6.7 -9.4 0.00 0.0
December 2
 8.3 -2.8 0.00 0.0
December 3
 11.1 -0.6 0.00 0.0
December 4
 11.1 3.9 0.28 0.0
December 5
 2.2 -7.2 0.25 2.5
December 6
 -3.3 -13.9 0.00 0.0
December 7
 1.1 -15.6 0.64 6.4
December 8
 -1.1 -10.6 0.00 0.0
December 9
 -11.7 -18.3 0.00 0.0
December 10
 -11.7 -18.9 0.00 0.0
December 11
 -4.4 -22.2 0.33 3.3
December 12
 -1.1 -16.7 1.85 18.5
December 13
 -4.4 -8.3 0.46 4.6
December 14
 -2.2 -15.0 0.00 0.0
December 15
 -3.3 -8.3 0.30 3.0
December 16
 -3.9 -14.4 0.00 0.0
December 17
 3.3 -16.7 0.28 0.0
December 18
 1.1 -5.0 0.00 0.0
December 19
 -5.0 -16.1 0.00 0.0
December 20
 -1.1 -22.8 0.20 2.0
December 21
 2.2 -7.2 0.13 0.0
December 22
 2.8 0.6 0.00 0.0
December 23
 -0.6 -3.9 0.00 0.0
December 24
 -5.6 -10.0 0.00 0.0
December 25
 -6.1 -13.3 0.00 0.0
December 26
 -7.2 -11.7 0.00 0.0
December 27
 -7.8 -16.1 0.00 0.0
December 28
 -7.8 -18.3 0.00 0.0
December 29
 -1.1 -19.4 0.00 0.0
December 30
 -3.3 -6.1 0.00 0.0
December 31
 -13.9 -21.1 0.00 0.0
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Weather Station Details
Years Station Coordinates
2004–2024 Thunder Bay CS location
1941–2003 Thunder Bay A location
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