Thunder Bay Weather in 1984

Historical record of Thunder Bay, Ontario weather for the year 1984 based on NOAA data.

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1984 Thunder Bay Weather Extremes
Highest temperature	31.5 °C	July 22
Lowest temperature	-34.6 °C	January 20
Highest daily low	18.2 °C	July 31
Lowest daily high	-24.4 °C	January 20
Most daily precipitation	3.3 cm	July 22
Most daily snow	10.4 cm	December 26
Total annual precipitation	67.8 cm	-
Total annual snow	115.3 cm	-

What was the hottest temperature in Thunder Bay in 1984?

The highest temperature recorded in Thunder Bay, Ontario in 1984 was 31.5 °C which happened on July 22.

Highest Temperatures: All-Time By Year

Highest Temperatures in Thunder Bay in 1984

Rank	Temperature	Date
1	31.5 °C	Jul 22
2	30.9 °C	Aug 6
3	30.5 °C	May 18
4	30.2 °C	Jul 11
5	29.5 °C	Jul 29
6	29.3 °C	Aug 8
7	29.2 °C	Jul 1
8	28.7 °C	Aug 15
9	28.6 °C	Aug 19
10	28.5 °C	Sep 18

What was the coldest temperature in Thunder Bay in 1984?

The lowest temperature recorded in Thunder Bay, Ontario in 1984 was -34.6 °C which happened on Jan 20.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Thunder Bay in 1984

Rank	Temperature	Date
1	-34.6 °C	January 20
2	-34.4 °C	January 21
3	-31.8 °C	January 11
4	-31.2 °C	January 18
5	-31.0 °C	January 19
6	-30.8 °C	January 15
7	-30.7 °C	January 22
8	-30.4 °C	February 6
9	-30.0 °C	January 17
10	-29.9 °C	January 14

January 1984 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	-8.3	-20.6	0.02	0.2
January 2	-3.4	-13.9	0.00	0.0
January 3	6.0	-8.2	0.06	0.0
January 4	3.4	-16.1	0.02	0.2
January 5	0.2	-14.4	0.27	3.5
January 6	-7.0	-19.3	0.00	0.0
January 7	-1.6	-14.1	0.35	6.2
January 8	-13.9	-24.4	0.00	0.0
January 9	-11.8	-27.5	0.00	0.0
January 10	-20.9	-28.7	0.00	0.0
January 11	-21.2	-31.8	0.00	0.0
January 12	-13.5	-25.7	0.05	0.8
January 13	-9.6	-17.4	0.22	3.6
January 14	-15.6	-29.9	0.00	0.0
January 15	-5.9	-30.8	0.00	0.0
January 16	-8.1	-23.2	0.03	0.6
January 17	-18.2	-30.0	0.00	0.0
January 18	-19.9	-31.2	0.00	0.0
January 19	-21.5	-31.0	0.03	0.3
January 20	-24.4	-34.6	0.00	0.0
January 21	-15.0	-34.4	0.00	0.2
January 22	-14.9	-30.7	0.36	4.4
January 23	-2.2	-22.4	0.00	0.0
January 24	1.1	-8.1	0.02	0.4
January 25	-8.1	-18.0	0.00	0.0
January 26	-8.5	-24.6	0.11	1.5
January 27	-8.4	-22.0	0.22	3.0
January 28	-4.8	-12.1	0.32	5.2
January 29	-9.2	-17.1	0.00	0.0
January 30	-11.5	-23.8	0.02	0.4
January 31	-7.8	-25.1	0.00	0.0

February 1984 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	-3.2	-10.1	0.04	0.4
February 2	-0.5	-9.4	0.56	5.6
February 3	-3.5	-10.4	0.08	1.4
February 4	-8.1	-18.0	0.16	1.9
February 5	-17.8	-28.0	0.02	0.2
February 6	-14.4	-30.4	0.00	0.0
February 7	-9.4	-21.2	0.00	0.0
February 8	1.7	-13.4	0.00	0.0
February 9	1.0	-13.6	0.00	0.0
February 10	-0.2	-13.9	0.00	0.0
February 11	3.4	-3.9	0.00	0.0
February 12	1.4	0.2	1.04	0.6
February 13	4.0	0.6	1.23	0.0
February 14	5.4	1.2	0.00	0.0
February 15	1.9	0.5	0.00	0.0
February 16	3.2	-0.8	0.00	0.0
February 17	3.8	-1.6	0.12	0.2
February 18	3.8	-3.3	0.00	0.0
February 19	1.1	-7.4	0.00	0.0
February 20	0.8	-8.4	0.00	0.0
February 21	2.2	-2.7	0.00	0.0
February 22	9.7	-6.6	0.00	0.0
February 23	2.0	-3.9	0.00	0.0
February 24	-3.7	-8.0	0.00	0.0
February 25	-3.5	-13.1	0.00	0.0
February 26	0.0	-16.1	0.00	0.0
February 27	0.1	-10.5	0.00	0.0
February 28	-2.7	-12.1	0.00	0.0
February 29	-7.0	-17.0	0.00	0.0

March 1984 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	-3.8	-17.4	0.00	0.0
March 2	-2.9	-15.7	0.00	0.0
March 3	-0.8	-15.9	0.00	0.0
March 4	1.4	-7.3	0.04	0.4
March 5	-2.9	-20.9	0.26	3.4
March 6	-15.0	-26.5	0.00	0.0
March 7	-12.7	-28.7	0.00	0.0
March 8	-7.4	-25.6	0.00	0.0
March 9	-7.4	-26.2	0.00	0.0
March 10	-4.7	-20.9	0.02	0.4
March 11	-15.6	-27.0	0.02	0.2
March 12	-10.0	-28.2	0.02	0.2
March 13	-3.8	-10.3	0.22	2.6
March 14	3.2	-11.4	0.08	0.4
March 15	1.5	-13.4	0.52	5.2
March 16	-10.9	-21.1	0.00	0.0
March 17	-7.0	-16.1	0.02	0.2
March 18	-0.5	-20.1	0.00	0.0
March 19	1.4	-17.3	0.00	0.0
March 20	1.6	-2.9	0.27	2.5
March 21	2.3	-1.0	0.09	0.9
March 22	3.4	-3.6	0.00	0.0
March 23	2.0	-9.3	0.00	0.0
March 24	2.5	-7.6	0.00	0.0
March 25	1.0	-9.3	0.00	0.0
March 26	1.4	-9.9	0.00	0.0
March 27	3.6	-8.3	0.00	0.0
March 28	1.6	-7.4	0.00	0.0
March 29	4.9	-2.8	0.00	0.0
March 30	6.5	-3.9	0.00	0.0
March 31	7.9	-7.0	0.00	0.0

April 1984 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	9.8	-5.7	0.00	0.0
April 2	6.9	-3.5	0.00	0.0
April 3	10.0	-5.6	0.00	0.0
April 4	11.4	-4.6	0.00	0.0
April 5	13.5	-4.1	0.00	0.0
April 6	10.3	-3.8	0.00	0.0
April 7	6.4	-6.8	0.00	0.0
April 8	7.1	-6.0	0.00	0.0
April 9	8.0	0.8	0.00	0.0
April 10	9.0	1.0	0.00	0.0
April 11	11.5	-0.2	0.00	0.0
April 12	10.9	0.3	0.00	0.0
April 13	10.3	4.8	0.00	0.0
April 14	16.2	3.1	0.00	0.0
April 15	14.5	1.1	0.00	0.0
April 16	11.5	-0.4	0.00	0.0
April 17	14.1	-2.3	0.00	0.0
April 18	13.0	-0.5	0.00	0.0
April 19	13.2	-3.0	0.00	0.0
April 20	21.2	-2.2	0.00	0.0
April 21	9.6	-4.5	0.00	0.0
April 22	12.5	-6.5	0.00	0.0
April 23	19.8	-2.8	0.00	0.0
April 24	17.9	-2.9	0.00	0.0
April 25	20.7	2.6	0.06	0.0
April 26	11.0	0.5	0.58	0.0
April 27	15.6	5.2	1.64	0.0
April 28	9.5	1.4	0.06	0.6
April 29	13.6	2.0	0.06	0.0
April 30	2.1	-2.3	0.25	3.2

May 1984 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	3.9	-2.7	0.00
May 2	8.0	-2.9	0.00
May 3	13.4	-5.2	0.00
May 4	16.0	-4.0	0.00
May 5	11.7	0.2	0.04
May 6	13.3	-0.2	0.00
May 7	7.7	5.4	1.96
May 8	9.0	4.3	0.19
May 9	16.6	0.5	0.00
May 10	12.8	-1.0	0.04
May 11	19.9	-0.7	0.04
May 12	14.8	1.8	0.00
May 13	14.3	-1.1	0.00
May 14	16.9	-0.2	0.00
May 15	16.5	-1.7	0.00
May 16	17.8	-1.4	0.00
May 17	27.4	5.7	0.00
May 18	30.5	3.4	0.00
May 19	15.6	7.4	0.64
May 20	10.5	5.4	0.00
May 21	9.3	4.9	1.22
May 22	21.7	7.9	0.52
May 23	21.2	4.7	0.00
May 24	26.0	5.4	0.42
May 25	9.9	3.3	0.00
May 26	14.4	-0.7	0.00
May 27	14.7	0.6	0.00
May 28	16.3	-1.7	0.00
May 29	20.7	0.9	0.00
May 30	23.6	2.2	0.06
May 31	15.0	6.3	0.04

June 1984 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	17.0	8.4	0.82
June 2	24.7	9.0	0.16
June 3	28.4	6.2	0.00
June 4	20.5	5.7	0.04
June 5	17.6	8.4	1.16
June 6	16.7	10.4	0.94
June 7	17.8	10.3	0.26
June 8	21.7	10.1	0.74
June 9	14.4	9.7	0.08
June 10	12.8	4.9	2.61
June 11	22.5	2.6	0.00
June 12	14.7	10.0	0.84
June 13	19.4	6.4	0.64
June 14	19.0	2.3	0.00
June 15	17.2	4.3	0.14
June 16	21.0	9.4	0.00
June 17	16.1	9.7	0.02
June 18	27.1	9.9	0.00
June 19	15.9	6.3	0.00
June 20	20.2	3.3	0.00
June 21	18.8	4.7	0.00
June 22	14.7	10.8	0.04
June 23	25.3	11.0	0.00
June 24	20.5	9.1	0.00
June 25	21.8	4.9	0.58
June 26	23.1	9.7	2.76
June 27	21.2	11.1	0.24
June 28	20.4	10.2	0.00
June 29	24.9	10.5	0.00
June 30	26.9	9.2	0.00

July 1984 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	29.2	9.4	0.00
July 2	26.5	15.7	0.44
July 3	27.3	13.7	0.10
July 4	23.1	10.6	0.14
July 5	21.6	8.2	0.78
July 6	17.2	7.4	0.10
July 7	24.1	7.1	0.00
July 8	21.1	10.5	0.00
July 9	23.7	12.6	0.00
July 10	27.2	11.1	0.00
July 11	30.2	12.3	0.96
July 12	26.3	12.0	0.11
July 13	21.5	13.1	0.66
July 14	16.3	11.0	0.04
July 15	23.9	9.7	0.10
July 16	25.7	12.8	0.44
July 17	20.3	11.2	1.02
July 18	25.7	10.3	0.00
July 19	27.3	12.3	0.00
July 20	28.2	12.0	0.00
July 21	24.6	9.8	0.00
July 22	31.5	15.0	3.29
July 23	27.1	15.3	0.00
July 24	25.0	10.6	0.00
July 25	26.6	10.7	0.72
July 26	21.9	11.0	0.06
July 27	21.3	8.4	0.00
July 28	24.5	6.9	0.00
July 29	29.5	10.9	0.00
July 30	25.7	13.0	0.14
July 31	27.0	18.2	0.60

August 1984 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	23.7	14.0	0.00
August 2	25.0	11.5	0.00
August 3	27.7	11.3	0.00
August 4	28.2	10.7	0.00
August 5	26.3	13.9	0.00
August 6	30.9	14.4	1.02
August 7	19.7	15.1	1.26
August 8	29.3	14.8	2.58
August 9	24.2	13.8	0.32
August 10	18.7	13.0	0.00
August 11	18.8	10.5	0.00
August 12	23.4	8.3	0.00
August 13	23.0	11.0	0.00
August 14	23.6	15.9	0.00
August 15	28.7	13.4	0.53
August 16	18.3	10.0	0.00
August 17	19.5	12.2	0.26
August 18	25.0	10.9	0.00
August 19	28.6	8.3	0.00
August 20	26.8	12.4	0.00
August 21	27.8	16.1	1.22
August 22	18.6	8.4	0.00
August 23	21.1	5.1	0.00
August 24	22.7	5.3	0.00
August 25	26.4	8.7	0.12
August 26	25.7	14.9	0.00
August 27	27.9	15.6	1.32
August 28	22.5	14.8	0.00
August 29	25.4	11.7	0.02
August 30	22.0	9.3	0.00
August 31	20.9	6.3	0.00

September 1984 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
September 1	14.6	3.2	0.10	0.0
September 2	15.8	10.8	0.12	0.0
September 3	14.7	8.4	0.04	0.0
September 4	15.4	5.7	0.10	0.0
September 5	17.8	2.1	0.00	0.0
September 6	20.0	2.0	0.00	0.0
September 7	22.3	13.2	0.02	0.0
September 8	20.8	10.2	1.37	0.0
September 9	18.4	7.4	0.32	0.0
September 10	17.2	7.4	0.02	0.0
September 11	17.4	9.8	0.25	0.0
September 12	13.7	10.0	0.64	0.0
September 13	18.4	5.3	0.00	0.0
September 14	12.8	2.1	0.14	0.0
September 15	14.7	2.0	0.00	0.0
September 16	21.3	4.4	0.00	0.0
September 17	19.8	2.5	0.00	0.0
September 18	28.5	5.3	0.00	0.0
September 19	19.8	6.7	0.00	0.0
September 20	17.8	5.0	0.00	0.0
September 21	15.6	5.0	0.02	0.0
September 22	23.1	6.3	0.10	0.0
September 23	12.5	5.2	0.02	0.0
September 24	7.9	2.9	0.82	0.0
September 25	3.7	-0.2	0.51	2.8
September 26	10.3	-1.2	0.06	0.0
September 27	9.9	-1.6	0.00	0.0
September 28	10.7	-2.7	0.00	0.0
September 29	15.5	-0.8	0.00	0.0
September 30	16.3	-3.4	0.00	0.0

October 1984 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
October 1	16.5	-2.6	0.00	0.0
October 2	19.8	-1.4	0.08	0.0
October 3	12.6	3.2	0.00	0.0
October 4	7.6	2.6	0.26	0.0
October 5	9.0	4.0	0.00	0.0
October 6	15.7	5.5	0.00	0.0
October 7	14.6	4.3	0.00	0.0
October 8	16.3	3.5	0.00	0.0
October 9	15.4	5.2	0.00	0.0
October 10	12.0	6.5	0.00	0.0
October 11	12.6	9.3	0.00	0.0
October 12	14.2	5.9	0.00	0.0
October 13	15.7	10.3	0.00	0.0
October 14	16.4	11.0	0.00	0.0
October 15	12.7	9.5	1.14	0.0
October 16	14.4	4.5	0.26	0.0
October 17	10.5	-0.5	1.66	0.0
October 18	11.3	-2.3	0.00	0.0
October 19	10.4	5.4	2.88	0.0
October 20	8.2	2.3	0.00	0.0
October 21	8.8	1.2	0.02	0.0
October 22	8.5	1.2	0.00	0.0
October 23	8.9	-1.3	0.00	0.0
October 24	10.3	-1.0	0.00	0.0
October 25	4.3	-1.1	0.20	1.2
October 26	9.6	2.3	0.00	0.0
October 27	16.3	5.4	0.64	0.0
October 28	6.9	-3.4	0.00	0.0
October 29	6.9	-8.2	0.00	0.0
October 30	1.9	-11.5	0.38	3.8
October 31	3.8	-13.2	0.14	0.0

November 1984 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	3.5	-10.4	0.00	0.0
November 2	-0.3	-10.6	0.00	0.0
November 3	6.1	-0.6	0.12	0.0
November 4	4.5	-0.1	1.14	3.0
November 5	0.3	-7.6	0.00	0.0
November 6	1.1	-8.8	0.00	0.0
November 7	7.6	-9.7	0.00	0.0
November 8	8.2	-1.8	0.32	0.0
November 9	2.5	-4.5	0.00	0.0
November 10	0.1	-8.4	0.00	0.0
November 11	0.4	-12.0	0.00	0.0
November 12	2.2	-12.0	0.00	0.0
November 13	6.0	-7.2	0.00	0.0
November 14	7.1	2.2	0.34	0.0
November 15	5.6	-2.6	0.08	0.2
November 16	-2.6	-11.1	0.00	0.0
November 17	-5.1	-12.1	0.00	0.0
November 18	-3.6	-13.6	0.00	0.0
November 19	-4.2	-12.9	0.00	0.0
November 20	-4.2	-15.4	0.00	0.0
November 21	2.5	-13.3	0.00	0.0
November 22	2.8	-0.2	0.04	0.4
November 23	8.5	-2.7	0.00	0.0
November 24	7.1	-7.0	0.00	0.0
November 25	10.3	-4.9	0.00	0.0
November 26	8.3	2.3	0.02	0.0
November 27	7.0	2.3	1.08	0.0
November 28	4.5	-0.7	0.06	0.4
November 29	-0.4	-3.7	0.00	0.0
November 30	-2.4	-7.1	0.00	0.0

December 1984 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	-3.7	-8.7	0.00	0.0
December 2	-3.0	-11.4	0.28	2.8
December 3	-5.3	-10.0	0.00	0.0
December 4	-6.2	-15.5	0.00	0.0
December 5	-5.0	-22.7	0.24	8.4
December 6	-10.8	-25.3	0.00	0.0
December 7	2.8	-11.3	0.00	0.4
December 8	6.4	-5.1	0.00	0.0
December 9	3.6	-5.3	0.00	0.0
December 10	5.6	-2.2	0.00	0.0
December 11	5.4	1.5	0.00	0.0
December 12	2.5	-18.5	0.00	0.0
December 13	-10.4	-20.0	0.00	0.0
December 14	-2.5	-15.4	0.00	0.0
December 15	1.7	-4.8	1.03	0.0
December 16	8.9	-13.0	3.08	0.4
December 17	-12.0	-15.5	0.26	3.8
December 18	-13.7	-19.1	0.06	1.4
December 19	-9.3	-23.7	0.02	0.7
December 20	-6.4	-16.7	0.04	0.4
December 21	0.0	n/a	0.65	6.0
December 22	-5.9	-25.3	0.00	0.0
December 23	-18.4	-29.5	0.00	0.0
December 24	-19.9	-28.1	0.00	0.0
December 25	-16.4	-29.0	0.00	0.0
December 26	-8.0	-28.7	0.58	10.4
December 27	1.1	-8.0	0.08	1.2
December 28	0.7	-11.4	0.68	5.4
December 29	-11.1	-21.4	0.06	0.8
December 30	-19.0	-23.5	0.04	0.4
December 31	-18.0	-28.4	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