Thunder Bay Weather in 1947

Historical record of Thunder Bay, Ontario weather for the year 1947 based on NOAA data.

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1947 Thunder Bay Weather Extremes
Highest temperature	35.0 °C	August 23
Lowest temperature	-32.8 °C	January 1
Highest daily low	21.1 °C	August 24
Lowest daily high	-21.7 °C	February 4
Most daily precipitation	4.9 cm	June 4
Most daily snow	31.0 cm	December 29
Total annual precipitation	78.5 cm	-
Total annual snow	232.6 cm	-

What was the hottest temperature in Thunder Bay in 1947?

The highest temperature recorded in Thunder Bay, Ontario in 1947 was 35.0 °C which happened on August 23.

Highest Temperatures: All-Time By Year

Highest Temperatures in Thunder Bay in 1947

Rank	Temperature	Date
1	35.0 °C	Aug 23
2	32.8 °C	Jul 29
3	32.2 °C	Aug 11
3	32.2 °C	Aug 5
3	32.2 °C	Jul 28
6	31.7 °C	Aug 24
7	31.1 °C	Aug 10
8	30.6 °C	Jul 16
9	29.4 °C	Sep 3
9	29.4 °C	Jul 10

What was the coldest temperature in Thunder Bay in 1947?

The lowest temperature recorded in Thunder Bay, Ontario in 1947 was -32.8 °C which happened on Jan 1.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Thunder Bay in 1947

Rank	Temperature	Date
1	-32.8 °C	January 1
2	-31.1 °C	December 18
2	-31.1 °C	January 3
4	-28.9 °C	December 13
4	-28.9 °C	February 5
4	-28.9 °C	January 12
7	-28.3 °C	February 16
8	-27.8 °C	January 21
8	-27.8 °C	January 6
10	-26.7 °C	February 4
10	-26.7 °C	January 22

January 1947 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	-8.9	-32.8	0.00	0.0
January 2	-12.2	-19.4	0.00	0.0
January 3	-12.2	-31.1	0.00	0.0
January 4	-1.1	-21.1	0.03	0.3
January 5	-10.6	-19.4	0.05	0.5
January 6	0.0	-27.8	0.08	0.8
January 7	-6.7	-12.2	0.00	0.0
January 8	-10.0	-20.0	0.00	0.0
January 9	-7.2	-18.9	0.00	0.0
January 10	0.0	-11.1	0.51	5.1
January 11	-5.0	-17.2	0.00	0.0
January 12	-4.4	-28.9	0.25	2.5
January 13	1.1	-14.4	1.93	19.3
January 14	3.3	-11.1	0.13	1.3
January 15	-13.3	-19.4	0.00	0.0
January 16	-2.8	-24.4	0.20	2.0
January 17	-2.8	-17.2	0.00	0.0
January 18	-10.6	-21.1	0.13	1.3
January 19	2.2	-13.9	0.00	0.0
January 20	-9.4	-17.2	0.00	0.0
January 21	-18.3	-27.8	0.00	0.0
January 22	-13.9	-26.7	0.13	1.3
January 23	0.0	-16.1	0.08	0.8
January 24	-3.9	-15.0	0.18	1.8
January 25	3.9	-11.1	0.05	0.5
January 26	2.2	-16.1	0.00	0.0
January 27	1.7	-6.1	0.03	0.3
January 28	-8.3	-16.7	0.00	0.0
January 29	-11.1	-23.3	0.00	0.0
January 30	-12.2	-22.2	0.00	0.0
January 31	-8.3	-20.0	0.00	0.0

February 1947 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	-5.6	-20.0	0.00	0.0
February 2	-5.0	-16.7	0.66	6.6
February 3	-4.4	-16.1	0.23	2.3
February 4	-21.7	-26.7	0.00	0.0
February 5	-18.3	-28.9	0.05	0.5
February 6	-14.4	-21.1	1.27	12.7
February 7	-16.7	-18.9	0.00	0.0
February 8	-11.1	-20.6	0.00	0.0
February 9	-6.7	-13.3	0.00	0.0
February 10	-6.7	-13.9	0.00	0.0
February 11	-8.3	-21.1	0.00	0.0
February 12	-1.7	-18.9	0.00	0.0
February 13	3.9	-11.7	0.00	0.0
February 14	-2.8	-9.4	0.00	0.0
February 15	-8.9	-20.0	0.25	2.5
February 16	-1.1	-28.3	0.03	0.3
February 17	0.0	-13.3	0.03	0.3
February 18	-16.1	-25.0	0.00	0.0
February 19	-13.3	-23.3	0.03	0.3
February 20	-5.6	-20.0	0.05	0.5
February 21	-7.2	-20.6	0.03	0.3
February 22	-11.7	-22.2	0.33	3.3
February 23	-3.9	-15.0	0.20	2.0
February 24	-1.1	-5.0	0.00	0.0
February 25	-1.1	-6.7	0.00	0.0
February 26	-8.3	-16.7	0.05	0.5
February 27	-4.4	-15.0	0.00	0.0
February 28	-1.1	-9.4	0.00	0.0

March 1947 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	-2.2	-16.1	0.00	0.0
March 2	-2.2	-13.3	0.00	0.0
March 3	-1.1	-18.3	0.00	0.0
March 4	-2.8	-11.7	0.00	0.0
March 5	1.1	-7.8	0.00	0.0
March 6	-1.1	-6.7	0.00	0.0
March 7	-1.1	-11.7	0.00	0.0
March 8	0.0	-15.0	0.00	0.0
March 9	1.7	-13.3	0.00	0.0
March 10	0.6	-16.7	0.00	0.0
March 11	1.7	-15.0	0.00	0.0
March 12	3.3	-0.6	0.00	0.0
March 13	1.7	0.0	0.28	2.3
March 14	-2.8	-5.6	0.76	7.6
March 15	-4.4	-13.3	0.00	0.0
March 16	-3.3	-13.9	0.00	0.0
March 17	0.6	-18.9	0.00	0.0
March 18	2.8	-19.4	0.00	0.0
March 19	1.1	-7.2	0.00	0.0
March 20	0.6	-15.6	0.05	0.5
March 21	2.2	-10.0	0.00	0.0
March 22	5.0	-8.9	0.05	0.5
March 23	10.0	-4.4	0.00	0.0
March 24	2.8	-2.2	0.00	0.0
March 25	-4.4	-12.2	0.00	0.0
March 26	-3.9	-13.3	0.00	0.0
March 27	1.1	-13.9	0.00	0.0
March 28	1.7	-10.6	0.51	5.1
March 29	-3.9	-15.0	0.00	0.0
March 30	2.8	-11.7	0.00	0.0
March 31	2.8	-12.2	0.00	0.0

April 1947 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	7.2	-8.9	0.00	0.0
April 2	2.2	-4.4	0.00	0.0
April 3	5.6	-8.3	0.00	0.0
April 4	3.3	-1.7	0.00	0.0
April 5	7.2	0.0	1.07	10.7
April 6	0.0	-5.0	0.20	2.0
April 7	3.3	-15.0	0.00	0.0
April 8	5.6	-12.2	0.00	0.0
April 9	10.0	-4.4	0.00	0.0
April 10	3.3	-4.4	1.83	2.0
April 11	0.6	-6.1	0.94	9.4
April 12	2.2	-11.7	0.00	0.0
April 13	4.4	-7.8	0.00	0.0
April 14	2.8	-1.1	0.00	0.0
April 15	3.9	-8.3	0.00	0.0
April 16	7.2	-7.8	0.76	7.6
April 17	4.4	-4.4	0.00	0.0
April 18	3.3	-7.2	0.00	0.0
April 19	5.0	-9.4	0.00	0.0
April 20	1.1	-2.8	0.30	3.0
April 21	1.1	-1.7	0.41	3.0
April 22	4.4	0.0	1.50	7.6
April 23	6.1	0.0	0.76	0.0
April 24	6.1	-1.7	0.00	0.0
April 25	8.3	-5.0	0.00	0.0
April 26	1.1	-2.2	0.10	1.0
April 27	6.7	-7.8	0.00	0.0
April 28	10.6	-6.1	0.00	0.0
April 29	22.2	0.0	0.00	0.0
April 30	3.9	0.0	0.00	0.0

May 1947 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	7.2	-2.8	1.12
May 2	17.2	3.3	0.00
May 3	11.7	-1.7	0.69
May 4	8.3	2.8	0.00
May 5	9.4	0.6	0.00
May 6	6.1	-2.8	0.00
May 7	6.7	-1.7	0.00
May 8	7.8	-4.4	0.00
May 9	10.0	-7.2	0.00
May 10	19.4	-5.0	0.00
May 11	21.7	7.8	0.00
May 12	16.7	13.3	0.00
May 13	11.7	0.0	0.00
May 14	13.3	-1.7	0.00
May 15	9.4	4.4	0.00
May 16	18.3	2.8	0.00
May 17	21.7	-1.7	0.00
May 18	23.3	2.2	0.28
May 19	15.0	6.1	0.00
May 20	7.2	-1.7	0.00
May 21	8.3	3.3	0.15
May 22	7.2	-1.7	0.15
May 23	14.4	0.0	0.00
May 24	21.1	-3.3	0.28
May 25	13.3	-0.6	0.25
May 26	11.1	2.8	0.00
May 27	10.0	-3.3	0.00
May 28	11.1	-3.3	0.00
May 29	6.1	1.7	0.30
May 30	13.9	-1.7	0.00
May 31	25.0	5.0	0.00

June 1947 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	13.9	2.2	0.00
June 2	15.0	-0.6	0.00
June 3	17.8	-1.1	0.03
June 4	9.4	5.0	4.93
June 5	11.1	6.1	2.11
June 6	14.4	6.7	0.00
June 7	17.8	9.4	0.00
June 8	23.9	4.4	0.00
June 9	13.3	7.8	2.82
June 10	13.3	5.6	2.72
June 11	16.1	2.2	0.00
June 12	20.0	0.0	0.00
June 13	13.9	4.4	1.09
June 14	12.2	7.8	0.91
June 15	20.6	4.4	0.00
June 16	19.4	2.2	0.00
June 17	18.3	6.1	0.00
June 18	20.0	3.9	0.00
June 19	21.7	3.9	0.00
June 20	18.9	3.9	0.00
June 21	20.6	4.4	0.00
June 22	22.8	5.0	0.00
June 23	19.4	11.7	0.05
June 24	20.6	10.0	0.05
June 25	23.9	7.2	0.00
June 26	14.4	6.1	0.18
June 27	25.0	6.7	0.00
June 28	25.0	8.9	0.00
June 29	24.4	12.8	0.00
June 30	16.7	6.7	1.68

July 1947 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	19.4	10.0	0.33
July 2	26.7	8.3	0.00
July 3	27.8	11.1	0.00
July 4	21.1	11.1	0.00
July 5	23.9	14.4	0.10
July 6	25.6	11.1	0.00
July 7	27.2	8.3	0.00
July 8	28.9	9.4	0.00
July 9	27.8	10.0	0.00
July 10	29.4	10.0	0.00
July 11	22.2	10.0	0.00
July 12	23.9	10.6	1.27
July 13	21.7	13.3	2.21
July 14	28.3	13.3	0.00
July 15	28.3	15.0	0.00
July 16	30.6	15.0	0.00
July 17	26.7	16.7	2.44
July 18	19.4	11.7	0.00
July 19	22.8	5.0	0.20
July 20	19.4	10.0	0.25
July 21	18.9	3.9	0.00
July 22	23.3	5.6	0.00
July 23	25.6	7.2	0.00
July 24	26.7	9.4	0.00
July 25	27.2	11.7	1.27
July 26	28.3	17.2	0.00
July 27	26.1	13.3	0.00
July 28	32.2	12.8	0.00
July 29	32.8	14.4	0.05
July 30	26.1	14.4	0.00
July 31	16.1	4.4	0.00

August 1947 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	25.6	2.8	0.08
August 2	25.6	11.7	0.00
August 3	20.0	10.6	0.00
August 4	23.9	10.0	0.13
August 5	32.2	12.2	0.00
August 6	23.3	17.2	0.08
August 7	23.9	11.1	0.00
August 8	17.8	10.6	0.05
August 9	22.2	12.2	0.00
August 10	31.1	13.9	0.03
August 11	32.2	15.0	0.00
August 12	23.9	20.0	0.00
August 13	18.9	15.6	0.97
August 14	23.9	12.2	0.00
August 15	16.7	10.0	0.00
August 16	26.7	10.0	0.00
August 17	22.2	15.6	0.58
August 18	25.0	14.4	0.00
August 19	23.9	15.6	0.00
August 20	23.3	12.8	0.00
August 21	21.7	17.2	0.25
August 22	22.8	15.6	0.00
August 23	35.0	16.1	0.00
August 24	31.7	21.1	0.00
August 25	23.3	10.0	0.00
August 26	22.8	5.0	0.05
August 27	22.2	8.3	0.05
August 28	20.6	4.4	0.00
August 29	19.4	1.7	0.05
August 30	22.2	8.9	0.00
August 31	22.8	4.4	2.13

September 1947 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	23.3	13.3	0.00
September 2	26.1	11.7	0.00
September 3	29.4	10.0	0.00
September 4	21.1	12.2	0.00
September 5	28.9	10.0	0.00
September 6	22.8	11.7	0.00
September 7	20.0	3.9	0.00
September 8	23.9	9.4	0.03
September 9	24.4	17.2	0.66
September 10	28.3	16.7	1.40
September 11	18.9	14.4	0.00
September 12	21.1	5.0	0.00
September 13	15.6	7.8	0.30
September 14	17.8	8.9	0.05
September 15	13.3	5.6	0.00
September 16	16.1	-0.6	0.00
September 17	13.9	0.0	1.91
September 18	10.6	7.8	0.08
September 19	11.7	7.2	1.40
September 20	20.0	8.3	0.36
September 21	12.2	3.3	0.00
September 22	8.3	-4.4	0.51
September 23	12.8	1.1	0.08
September 24	7.2	-1.7	0.00
September 25	11.7	-5.0	0.00
September 26	10.0	-2.8	0.00
September 27	13.9	-5.6	0.69
September 28	9.4	5.0	0.28
September 29	5.6	-0.6	0.00
September 30	12.2	-6.1	0.00

October 1947 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	17.8	-5.0	0.00
October 2	16.7	-0.6	0.00
October 3	16.1	7.8	0.00
October 4	22.8	9.4	0.00
October 5	23.9	7.2	0.00
October 6	17.2	7.8	0.03
October 7	17.2	6.1	0.00
October 8	12.8	-2.2	0.00
October 9	17.8	-3.3	0.36
October 10	15.6	3.3	0.00
October 11	19.4	4.4	0.08
October 12	20.0	4.4	0.00
October 13	23.3	6.7	0.00
October 14	21.1	1.1	0.00
October 15	17.8	2.8	0.00
October 16	18.9	5.0	0.00
October 17	23.3	1.7	0.00
October 18	21.1	6.1	0.00
October 19	17.8	1.1	0.00
October 20	23.3	1.1	0.00
October 21	15.0	-1.1	0.00
October 22	23.9	2.8	0.00
October 23	8.3	-2.8	0.00
October 24	8.9	5.6	0.08
October 25	11.1	6.1	0.00
October 26	12.8	5.0	0.00
October 27	15.0	5.0	0.00
October 28	11.1	-3.9	0.00
October 29	8.9	-6.7	0.00
October 30	6.7	-3.3	0.00
October 31	11.7	1.1	0.00

November 1947 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	10.0	1.7	0.03	0.0
November 2	11.7	5.6	0.00	0.0
November 3	8.9	0.6	0.00	0.0
November 4	9.4	-2.2	0.28	0.0
November 5	8.3	6.7	0.64	0.0
November 6	7.2	1.1	2.18	0.0
November 7	8.3	1.1	4.72	0.0
November 8	3.3	-2.2	0.30	3.0
November 9	-1.7	-6.1	0.00	0.0
November 10	-2.8	-12.8	0.00	0.0
November 11	-3.3	-13.9	0.00	0.0
November 12	-2.2	-12.8	0.00	0.0
November 13	-6.1	-12.8	0.00	0.0
November 14	-1.7	-15.0	0.00	0.0
November 15	-1.1	-4.4	0.00	0.0
November 16	0.0	-12.2	0.00	0.0
November 17	-1.1	-8.3	0.00	0.0
November 18	-1.7	-8.3	0.46	4.6
November 19	0.6	-11.7	0.10	1.0
November 20	3.9	-3.3	0.23	1.0
November 21	5.0	-0.6	3.35	0.5
November 22	3.3	-5.6	0.15	1.5
November 23	-5.6	-12.2	0.00	0.0
November 24	-3.9	-15.0	0.00	0.0
November 25	-6.1	-12.2	0.00	0.0
November 26	-11.1	-18.3	0.00	0.0
November 27	-8.9	-15.0	0.00	0.0
November 28	-8.9	-17.2	0.00	0.0
November 29	-9.4	-16.1	0.00	0.0
November 30	0.6	-17.2	0.00	0.0

December 1947 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	0.0	-1.7	0.00	0.0
December 2	-1.1	-5.6	0.64	6.4
December 3	-7.2	-14.4	0.00	0.0
December 4	-7.2	-25.0	0.00	0.0
December 5	-1.7	-11.7	0.10	1.0
December 6	-2.8	-19.4	0.03	0.3
December 7	-2.2	-6.1	0.03	0.3
December 8	-10.0	-13.9	0.00	0.0
December 9	-3.9	-23.3	0.23	2.3
December 10	-2.8	-12.2	0.25	2.5
December 11	-11.1	-19.4	0.00	0.0
December 12	-11.7	-23.9	0.00	0.0
December 13	-2.8	-28.9	0.66	6.6
December 14	-1.7	-5.0	0.30	3.0
December 15	-6.1	-11.7	0.15	1.5
December 16	-12.8	-18.9	0.00	0.0
December 17	-12.2	-25.0	0.00	0.0
December 18	-16.1	-31.1	0.03	0.3
December 19	-2.2	-23.9	0.41	4.1
December 20	-3.3	-5.0	0.05	0.5
December 21	-3.3	-7.2	0.00	0.0
December 22	-7.2	-15.0	0.00	0.0
December 23	-8.9	-24.4	0.00	0.0
December 24	-3.3	-19.4	0.10	1.0
December 25	-2.2	-17.2	0.10	1.0
December 26	-1.7	-17.2	0.23	2.3
December 27	-1.7	-11.1	0.03	0.3
December 28	-12.8	-18.9	0.00	0.0
December 29	-7.8	-22.2	3.10	31.0
December 30	-4.4	-11.7	2.24	22.4
December 31	-6.7	-9.4	0.20	2.0

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Weather Station Details

Years	Station	Coordinates
2004–2024	Thunder Bay CS	location
1941–2003	Thunder Bay A	location