Thunder Bay Weather in 2004

Historical record of Thunder Bay, Ontario weather for the year 2004 based on NOAA data.

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2004 Thunder Bay Weather Extremes
Highest temperature	30.3 °C	July 21
Lowest temperature	-34.9 °C	December 25
Highest daily low	15.6 °C	July 19
Lowest daily high	-23.2 °C	December 24
Most daily precipitation	4.2 cm	May 31

What was the hottest temperature in Thunder Bay in 2004?

The highest temperature recorded in Thunder Bay, Ontario in 2004 was 30.3 °C which happened on July 21.

Highest Temperatures: All-Time By Year

Highest Temperatures in Thunder Bay in 2004

Rank	Temperature	Date
1	30.3 °C	Jul 21
2	29.8 °C	Jul 15
3	29.2 °C	Jul 19
4	28.9 °C	Jul 26
4	28.9 °C	Jul 12
6	28.3 °C	Jul 25
7	27.7 °C	Jul 14
8	27.0 °C	Aug 3
9	26.8 °C	Aug 1
9	26.8 °C	Jul 27

What was the coldest temperature in Thunder Bay in 2004?

The lowest temperature recorded in Thunder Bay, Ontario in 2004 was -34.9 °C which happened on Dec 25.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Thunder Bay in 2004

Rank	Temperature	Date
1	-34.9 °C	December 25
2	-34.6 °C	January 6
3	-34.5 °C	January 5
4	-33.4 °C	December 24
5	-33.1 °C	January 20
6	-32.7 °C	February 15
6	-32.7 °C	January 25
8	-31.5 °C	January 7
9	-31.4 °C	January 19
10	-30.7 °C	December 26

January 2004 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
January 1	-0.1	-17.1	0.68
January 2	1.7	-4.5	0.11
January 3	1.9	-18.7	0.07
January 4	-17.0	-25.1	0.00
January 5	-20.2	-34.5	0.00
January 6	-17.7	-34.6	0.00
January 7	-10.0	-31.5	0.00
January 8	-14.3	-28.8	0.00
January 9	-13.8	-26.8	0.00
January 10	-10.1	-19.3	0.23
January 11	-7.8	-13.1	0.06
January 12	-6.3	-14.8	0.07
January 13	-14.3	-24.9	0.07
January 14	-17.2	-28.1	0.13
January 15	-16.7	-26.2	0.00
January 16	-5.7	-16.7	0.57
January 17	-3.1	-19.6	0.26
January 18	-15.1	-23.6	0.00
January 19	-18.4	-31.4	0.00
January 20	-16.1	-33.1	0.07
January 21	-9.5	-24.9	0.22
January 22	-21.1	-28.7	0.00
January 23	-17.3	-30.0	0.00
January 24	-15.4	-29.2	0.00
January 25	-16.7	-32.7	0.00
January 26	-13.7	-19.8	0.22
January 27	-10.3	-24.3	0.00
January 28	-16.1	-25.2	0.06
January 29	-18.1	-28.3	0.00
January 30	-15.5	-24.0	0.00
January 31	-11.3	-23.8	0.00

February 2004 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
February 1	-2.9	-16.8	0.48
February 2	-0.6	-3.9	0.51
February 3	-3.9	-18.0	0.22
February 4	-8.5	-25.1	0.00
February 5	-5.3	-25.2	0.16
February 6	-2.0	-14.8	0.06
February 7	-8.5	-25.4	0.00
February 8	-0.8	-20.5	0.08
February 9	-2.5	-8.9	0.17
February 10	-7.9	-23.1	0.06
February 11	-5.1	-16.6	0.00
February 12	-3.1	-22.5	0.00
February 13	-1.6	-12.4	0.00
February 14	-12.4	-23.8	0.00
February 15	-11.8	-32.7	0.00
February 16	-6.1	-25.1	0.06
February 17	-4.0	-16.1	0.06
February 18	4.3	-9.6	0.00
February 19	-0.9	-2.9	0.00
February 20	-0.3	-3.1	0.00
February 21	0.3	-12.5	0.00
February 22	-1.1	-18.1	0.00
February 23	-0.9	-2.9	0.00
February 24	5.1	-8.4	0.06
February 25	4.0	-13.1	0.00
February 26	5.4	-15.0	0.00
February 27	5.0	-10.0	0.00
February 28	6.1	-7.8	0.00
February 29	5.4	-7.1	0.00

March 2004 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
March 1	2.3	0.2	0.34
March 2	2.1	0.3	0.00
March 3	1.3	-4.4	0.08
March 4	-3.2	-10.6	0.00
March 5	0.2	-6.8	0.00
March 6	-2.1	-9.2	0.00
March 7	2.6	-3.1	0.00
March 8	2.4	-10.7	0.00
March 9	6.0	-13.6	0.00
March 10	6.0	-3.2	0.07
March 11	-0.6	-15.6	0.00
March 12	-3.9	-17.5	0.00
March 13	0.4	-18.1	0.65
March 14	1.5	-7.4	0.13
March 15	-0.8	-16.0	0.00
March 16	0.4	-18.2	0.00
March 17	0.7	-9.1	0.13
March 18	4.5	-11.9	0.06
March 19	6.2	-13.5	0.00
March 20	6.3	-10.4	0.00
March 21	-4.1	-17.8	0.00
March 22	2.2	-20.8	0.00
March 23	-1.8	-15.6	0.00
March 24	4.0	-14.1	0.00
March 25	5.7	-7.5	1.06
March 26	5.3	-6.1	0.00
March 27	2.4	-5.8	0.00
March 28	4.8	1.6	1.96
March 29	5.3	0.6	0.00
March 30	2.6	-5.7	0.00
March 31	6.4	-8.6	0.00

April 2004 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
April 1	8.4	-9.1	0.00
April 2	16.7	-7.7	0.00
April 3	7.8	-1.0	0.00
April 4	3.8	-5.7	0.00
April 5	7.0	-6.2	0.00
April 6	16.9	-2.6	0.02
April 7	13.6	-2.2	0.00
April 8	8.2	-0.3	0.14
April 9	4.0	-4.6	0.00
April 10	-0.2	-5.7	0.02
April 11	2.3	-4.7	0.00
April 12	6.2	-9.2	0.00
April 13	11.9	-5.3	0.00
April 14	10.4	-5.5	0.00
April 15	7.4	-7.3	0.00
April 16	14.6	-1.7	0.18
April 17	14.1	-3.2	0.00
April 18	5.1	1.9	2.64
April 19	6.3	0.8	0.00
April 20	8.9	-2.7	0.00
April 21	11.7	0.4	0.00
April 22	8.0	-5.9	0.00
April 23	12.3	-8.1	0.00
April 24	6.6	-8.2	0.00
April 25	5.2	0.6	0.14
April 26	4.6	-4.0	0.00
April 27	7.8	-9.5	0.00
April 28	12.8	1.8	0.24
April 29	10.1	-1.2	0.02
April 30	12.5	-3.4	0.00

May 2004 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	8.5	-4.5	0.00
May 2	9.0	-7.3	0.00
May 3	10.9	-7.4	0.00
May 4	11.6	0.9	0.02
May 5	7.0	-1.7	0.08
May 6	13.9	0.3	0.02
May 7	11.5	-4.8	0.00
May 8	15.3	1.4	0.00
May 9	6.3	3.1	0.12
May 10	17.7	-0.9	0.00
May 11	9.4	-3.6	0.00
May 12	11.9	4.1	0.14
May 13	11.7	4.3	0.38
May 14	7.8	1.5	0.00
May 15	10.9	-3.5	0.00
May 16	18.0	-0.7	0.08
May 17	14.2	0.9	1.44
May 18	23.1	-1.1	0.02
May 19	23.3	0.2	0.12
May 20	17.9	2.4	0.02
May 21	13.0	-1.9	0.00
May 22	10.8	3.2	0.10
May 23	13.9	0.0	0.00
May 24	15.4	6.1	0.02
May 25	15.2	4.6	0.28
May 26	16.3	1.8	0.46
May 27	13.0	-0.3	0.26
May 28	17.3	-2.3	0.00
May 29	15.3	-1.8	0.00
May 30	13.5	7.3	0.20
May 31	10.0	6.1	4.18

June 2004 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	21.0	9.3	0.12
June 2	20.3	3.7	0.00
June 3	20.5	1.2	0.00
June 4	18.2	2.9	0.00
June 5	17.6	3.0	0.22
June 6	20.1	8.9	0.02
June 7	18.0	7.5	2.00
June 8	26.7	12.4	0.00
June 9	17.3	4.6	0.00
June 10	16.4	1.6	0.00
June 11	15.9	6.6	0.00
June 12	16.8	8.7	0.28
June 13	19.3	7.7	0.20
June 14	18.1	10.8	0.00
June 15	16.8	9.7	0.00
June 16	22.0	8.1	0.32
June 17	22.7	7.3	0.00
June 18	17.8	4.8	0.00
June 19	22.3	2.7	0.00
June 20	26.2	13.3	0.00
June 21	21.4	9.1	0.08
June 22	18.5	4.8	0.56
June 23	16.6	2.5	0.10
June 24	16.4	5.8	0.22
June 25	16.2	7.3	0.34
June 26	19.7	5.2	0.02
June 27	20.9	8.8	0.04
June 28	24.5	9.5	0.88
June 29	20.9	9.5	0.36
June 30	24.4	9.1	0.48

July 2004 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	20.7	5.2	0.00
July 2	19.6	4.7	0.00
July 3	23.5	11.7	1.80
July 4	15.6	9.3	1.68
July 5	19.5	7.6	0.02
July 6	15.6	5.1	0.00
July 7	18.7	10.0	0.10
July 8	23.9	8.4	0.00
July 9	21.8	6.6	0.00
July 10	26.4	7.2	0.02
July 11	26.1	13.6	0.02
July 12	28.9	9.9	0.00
July 13	22.6	11.4	3.36
July 14	27.7	12.7	0.00
July 15	29.8	12.4	0.16
July 16	25.9	13.0	0.02
July 17	24.5	9.4	0.00
July 18	24.3	8.6	0.00
July 19	29.2	15.6	0.72
July 20	19.9	14.3	0.00
July 21	30.3	14.3	0.34
July 22	21.8	7.1	0.00
July 23	19.4	5.8	0.00
July 24	21.8	2.8	0.00
July 25	28.3	6.1	0.00
July 26	28.9	10.6	0.00
July 27	26.8	9.8	0.00
July 28	25.6	8.6	0.00
July 29	25.5	13.9	0.00
July 30	19.8	9.8	0.00
July 31	22.1	8.3	0.04

August 2004 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	26.8	7.1	0.46
August 2	26.7	10.0	0.00
August 3	27.0	7.7	0.00
August 4	23.1	5.8	0.00
August 5	25.8	4.3	0.00
August 6	26.1	7.6	0.00
August 7	25.0	5.7	0.00
August 8	23.0	10.0	0.00
August 9	21.8	12.0	1.28
August 10	12.0	7.6	1.34
August 11	13.6	6.3	0.66
August 12	20.1	2.8	0.00
August 13	21.5	3.5	0.00
August 14	23.0	4.9	0.00
August 15	24.5	6.1	0.00
August 16	23.2	12.6	0.06
August 17	24.1	8.6	0.02
August 18	20.8	6.3	0.88
August 19	18.6	5.0	0.00
August 20	16.8	3.8	0.00
August 21	20.3	1.6	0.00
August 22	17.6	6.0	0.40
August 23	15.9	1.6	0.02
August 24	15.1	8.2	0.00
August 25	25.7	13.3	0.00
August 26	18.9	14.1	1.14
August 27	21.2	10.6	0.02
August 28	14.2	9.5	0.00
August 29	17.1	9.2	0.00
August 30	20.9	10.4	0.50
August 31	n/a	n/a	0.00

September 2004 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	n/a	n/a	n/a
September 2	n/a	n/a	n/a
September 3	n/a	n/a	n/a
September 4	n/a	n/a	n/a
September 5	n/a	n/a	n/a
September 6	n/a	n/a	n/a
September 7	n/a	n/a	n/a
September 8	n/a	n/a	n/a
September 9	n/a	n/a	n/a
September 10	n/a	n/a	n/a
September 11	n/a	n/a	n/a
September 12	n/a	n/a	n/a
September 13	n/a	n/a	n/a
September 14	n/a	n/a	n/a
September 15	n/a	n/a	n/a
September 16	n/a	n/a	n/a
September 17	n/a	n/a	n/a
September 18	n/a	n/a	n/a
September 19	n/a	n/a	n/a
September 20	n/a	n/a	n/a
September 21	n/a	n/a	n/a
September 22	n/a	n/a	n/a
September 23	n/a	n/a	n/a
September 24	n/a	n/a	n/a
September 25	n/a	n/a	n/a
September 26	n/a	n/a	n/a
September 27	n/a	n/a	n/a
September 28	n/a	n/a	n/a
September 29	n/a	n/a	n/a
September 30	n/a	n/a	n/a

October 2004 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	n/a	n/a	n/a
October 2	n/a	n/a	n/a
October 3	n/a	n/a	n/a
October 4	n/a	n/a	n/a
October 5	n/a	n/a	n/a
October 6	n/a	n/a	n/a
October 7	n/a	n/a	n/a
October 8	n/a	n/a	n/a
October 9	n/a	n/a	n/a
October 10	n/a	n/a	n/a
October 11	n/a	n/a	n/a
October 12	n/a	n/a	n/a
October 13	n/a	n/a	n/a
October 14	n/a	n/a	n/a
October 15	n/a	n/a	n/a
October 16	n/a	n/a	n/a
October 17	n/a	n/a	n/a
October 18	n/a	n/a	n/a
October 19	n/a	n/a	n/a
October 20	n/a	n/a	n/a
October 21	n/a	n/a	n/a
October 22	n/a	n/a	n/a
October 23	n/a	n/a	n/a
October 24	n/a	n/a	n/a
October 25	n/a	n/a	n/a
October 26	n/a	n/a	n/a
October 27	n/a	n/a	n/a
October 28	n/a	n/a	n/a
October 29	n/a	n/a	n/a
October 30	n/a	n/a	n/a
October 31	n/a	n/a	n/a

November 2004 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
November 1	n/a	n/a	n/a
November 2	n/a	n/a	n/a
November 3	n/a	n/a	n/a
November 4	n/a	n/a	n/a
November 5	n/a	n/a	n/a
November 6	n/a	n/a	n/a
November 7	n/a	n/a	n/a
November 8	n/a	n/a	n/a
November 9	n/a	n/a	n/a
November 10	n/a	n/a	n/a
November 11	n/a	n/a	n/a
November 12	n/a	n/a	n/a
November 13	n/a	n/a	n/a
November 14	n/a	n/a	n/a
November 15	n/a	n/a	n/a
November 16	n/a	n/a	n/a
November 17	n/a	n/a	n/a
November 18	n/a	n/a	n/a
November 19	n/a	n/a	n/a
November 20	n/a	n/a	n/a
November 21	n/a	n/a	n/a
November 22	n/a	n/a	n/a
November 23	n/a	n/a	n/a
November 24	n/a	n/a	n/a
November 25	n/a	n/a	n/a
November 26	n/a	n/a	n/a
November 27	n/a	n/a	n/a
November 28	n/a	n/a	n/a
November 29	n/a	n/a	n/a
November 30	n/a	n/a	n/a

December 2004 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
December 1	-2.8	-16.2	0.00
December 2	-9.5	-18.9	0.00
December 3	2.4	-19.9	0.00
December 4	5.1	-15.3	0.02
December 5	-9.4	-18.1	0.00
December 6	n/a	n/a	n/a
December 7	1.8	-0.3	0.00
December 8	-0.2	-4.4	0.00
December 9	n/a	n/a	0.00
December 10	-3.2	-9.5	0.00
December 11	-1.7	-13.6	0.25
December 12	n/a	n/a	n/a
December 13	n/a	n/a	0.00
December 14	-8.2	-20.7	0.00
December 15	n/a	n/a	0.00
December 16	n/a	n/a	0.00
December 17	n/a	n/a	n/a
December 18	n/a	n/a	n/a
December 19	-18.7	-30.1	0.00
December 20	n/a	n/a	n/a
December 21	n/a	n/a	n/a
December 22	-20.4	-26.3	0.00
December 23	-20.6	-28.8	0.00
December 24	-23.2	-33.4	0.02
December 25	-16.0	-34.9	0.00
December 26	-18.8	-30.7	0.00
December 27	-6.4	-24.6	0.00
December 28	-3.8	-7.3	0.00
December 29	-4.1	-9.0	0.00
December 30	n/a	n/a	n/a
December 31	n/a	n/a	n/a

Next Year >

Weather Station Details

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