Thunder Bay Weather in 1990

Historical record of Thunder Bay, Ontario weather for the year 1990 based on NOAA data.

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1990 Thunder Bay Weather Extremes
Highest temperature	30.6 °C	August 16
Lowest temperature	-33.6 °C	February 17
Highest daily low	16.5 °C	August 24
Lowest daily high	-22.9 °C	December 26
Most daily precipitation	3.1 cm	July 21
Most daily snow	14.8 cm	November 26
Total annual precipitation	73.8 cm	-
Total annual snow	187.0 cm	-

What was the hottest temperature in Thunder Bay in 1990?

The highest temperature recorded in Thunder Bay, Ontario in 1990 was 30.6 °C which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Thunder Bay in 1990

Rank	Temperature	Date
1	30.6 °C	Aug 16
1	30.6 °C	Jul 2
3	30.5 °C	Aug 8
4	29.2 °C	Aug 30
5	29.0 °C	Aug 3
6	28.2 °C	Jun 25
7	28.1 °C	Aug 7
7	28.1 °C	May 31
9	27.9 °C	Jul 13
10	27.4 °C	Jul 25

What was the coldest temperature in Thunder Bay in 1990?

The lowest temperature recorded in Thunder Bay, Ontario in 1990 was -33.6 °C which happened on Feb 17.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Thunder Bay in 1990

Rank	Temperature	Date
1	-33.6 °C	February 17
2	-33.0 °C	December 26
3	-32.8 °C	December 31
4	-32.4 °C	December 23
5	-31.6 °C	December 27
6	-30.8 °C	February 14
6	-30.8 °C	February 2
8	-30.4 °C	December 25
9	-30.3 °C	December 30
10	-29.2 °C	January 6

January 1990 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	-2.7	-16.3	0.00	0.0
January 2	0.4	-8.8	0.00	0.0
January 3	1.7	-10.0	0.00	0.0
January 4	-9.0	-19.4	0.00	0.0
January 5	-13.3	-20.2	0.14	1.4
January 6	-4.3	-29.2	0.00	0.2
January 7	2.6	-11.6	0.00	0.0
January 8	2.9	-6.8	0.02	0.2
January 9	-3.8	-12.9	0.10	1.2
January 10	1.2	-17.7	0.39	4.0
January 11	1.3	-11.4	0.06	0.8
January 12	-9.3	-16.6	0.00	0.0
January 13	-7.4	-19.8	0.00	0.0
January 14	-1.4	-12.1	0.00	0.0
January 15	-2.9	-14.7	0.00	0.0
January 16	-1.3	-14.6	0.24	3.2
January 17	-2.4	-7.9	0.58	6.2
January 18	-7.6	-25.5	0.00	0.0
January 19	-3.5	-26.5	0.00	0.0
January 20	-5.3	-18.4	0.00	0.2
January 21	-7.6	-16.0	0.44	8.2
January 22	-0.7	-17.7	0.00	0.4
January 23	-2.5	-23.7	0.68	7.2
January 24	-0.6	-10.1	0.26	4.2
January 25	-7.0	-18.0	0.00	0.0
January 26	-0.6	-21.5	0.18	2.4
January 27	-0.9	-16.2	0.24	3.6
January 28	-10.5	-18.7	0.02	0.2
January 29	0.5	-13.9	0.00	0.0
January 30	1.4	-24.6	0.00	0.0
January 31	-7.2	-27.5	0.48	11.0

February 1990 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	-10.7	-26.9	0.08	1.0
February 2	-15.1	-30.8	0.00	0.0
February 3	-6.8	-18.7	0.08	1.6
February 4	-4.7	-21.9	0.00	0.0
February 5	3.0	-17.1	0.00	0.0
February 6	-0.1	-17.8	0.00	0.0
February 7	1.3	-18.1	0.00	0.0
February 8	3.3	-12.9	0.00	0.0
February 9	1.1	-18.8	0.09	1.6
February 10	-6.8	-19.3	0.00	0.0
February 11	-5.1	-21.7	0.00	0.0
February 12	-1.2	-19.8	0.24	4.2
February 13	-4.2	-21.7	0.00	0.0
February 14	-13.2	-30.8	0.00	0.0
February 15	-9.2	-27.9	0.10	1.0
February 16	-12.2	-26.8	0.37	5.4
February 17	-14.0	-33.6	0.02	0.4
February 18	-3.2	-15.4	0.08	1.2
February 19	-10.6	-23.0	0.00	0.0
February 20	4.3	-25.7	0.00	0.0
February 21	6.5	0.7	0.00	0.0
February 22	1.1	-10.2	0.00	0.0
February 23	-7.5	-15.2	0.08	1.2
February 24	-15.0	-22.9	0.00	0.0
February 25	-13.3	-28.9	0.00	0.0
February 26	-1.8	-13.7	0.28	3.4
February 27	-2.9	-14.0	0.02	0.4
February 28	0.3	-17.5	0.00	0.0

March 1990 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	8.4	-10.6	0.00	0.0
March 2	2.6	-12.5	0.00	0.0
March 3	-8.8	-21.4	0.00	0.0
March 4	-7.4	-23.5	0.00	0.0
March 5	-8.1	-23.8	0.00	0.0
March 6	-3.2	-22.4	0.00	0.0
March 7	0.9	-19.7	0.00	0.0
March 8	1.3	-13.8	0.00	0.0
March 9	4.6	-3.0	0.00	0.0
March 10	9.3	-6.0	0.00	0.0
March 11	2.6	-7.4	0.40	0.0
March 12	2.9	0.5	1.08	0.0
March 13	5.0	1.2	0.04	0.0
March 14	6.1	1.9	0.57	0.0
March 15	11.3	2.8	0.44	0.0
March 16	3.8	-0.9	0.06	0.6
March 17	-0.1	-4.0	0.00	0.0
March 18	-4.0	-11.1	0.02	0.2
March 19	3.5	-11.5	0.00	0.0
March 20	5.5	-5.7	0.00	0.0
March 21	-0.6	-6.7	0.32	3.6
March 22	1.9	-9.0	0.02	0.6
March 23	-7.9	-16.9	0.00	0.0
March 24	2.5	-16.2	0.00	0.0
March 25	1.8	-11.1	0.02	0.2
March 26	-2.2	-17.8	0.00	0.0
March 27	4.0	-16.0	0.00	0.0
March 28	1.3	-12.8	0.00	0.0
March 29	3.6	-4.7	0.00	0.0
March 30	12.4	-4.8	0.00	0.0
March 31	18.1	-3.9	0.00	0.0

April 1990 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	3.2	-6.6	0.76	4.0
April 2	0.6	-8.9	0.04	0.4
April 3	2.6	-11.6	0.00	0.0
April 4	8.0	-3.9	0.40	0.2
April 5	-1.9	-11.1	0.00	0.0
April 6	1.0	-13.0	0.00	0.0
April 7	6.5	-10.9	0.00	0.0
April 8	9.3	-7.2	0.00	0.0
April 9	5.7	-3.7	0.12	1.0
April 10	3.4	-6.3	0.04	0.4
April 11	0.3	-9.9	0.00	0.0
April 12	8.1	-7.6	0.00	0.0
April 13	13.5	-6.5	0.00	0.0
April 14	8.0	-4.4	0.04	0.0
April 15	7.6	-2.0	0.00	0.0
April 16	5.6	-3.7	0.20	2.0
April 17	5.2	-5.9	0.00	0.0
April 18	18.0	-5.4	0.00	0.0
April 19	16.6	1.5	0.00	0.0
April 20	20.8	-2.2	0.00	0.0
April 21	11.7	-4.6	0.00	0.0
April 22	15.4	0.1	0.00	0.0
April 23	14.7	3.7	0.10	0.0
April 24	16.9	3.9	0.43	0.0
April 25	15.0	6.9	0.46	0.0
April 26	15.3	7.6	0.14	0.0
April 27	11.2	2.2	2.18	0.0
April 28	11.5	3.2	0.76	0.0
April 29	9.3	4.1	0.32	0.0
April 30	11.2	0.0	0.31	0.0

May 1990 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	4.4	-2.8	0.00
May 2	13.0	-5.7	0.00
May 3	13.8	-5.0	0.00
May 4	11.4	-0.4	0.04
May 5	13.5	-2.3	0.00
May 6	12.1	-2.8	0.02
May 7	7.8	3.2	0.81
May 8	8.9	3.3	0.74
May 9	5.0	0.7	0.00
May 10	8.6	-1.9	0.00
May 11	18.8	0.2	0.00
May 12	17.1	0.0	0.00
May 13	18.0	-2.5	0.06
May 14	8.6	5.0	1.02
May 15	13.5	2.8	0.00
May 16	9.6	6.7	2.74
May 17	12.0	5.6	0.42
May 18	15.0	2.9	0.00
May 19	14.3	-1.3	0.00
May 20	13.2	3.3	0.00
May 21	14.6	-0.4	0.00
May 22	15.2	4.3	0.02
May 23	15.7	3.5	0.00
May 24	20.5	2.1	0.00
May 25	18.9	3.8	0.00
May 26	20.9	3.2	0.00
May 27	25.7	4.8	0.00
May 28	16.0	1.0	0.00
May 29	15.9	-1.7	0.00
May 30	24.1	-0.2	0.00
May 31	28.1	5.1	0.00

June 1990 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	24.7	5.7	0.00
June 2	17.3	10.2	1.17
June 3	10.7	3.4	0.30
June 4	20.4	2.4	0.00
June 5	12.4	1.6	0.24
June 6	21.6	5.3	0.02
June 7	26.3	5.3	0.00
June 8	11.4	7.4	0.54
June 9	21.2	8.4	0.00
June 10	24.2	9.1	0.00
June 11	24.5	7.7	0.90
June 12	21.5	11.6	1.44
June 13	20.6	10.1	0.30
June 14	26.2	9.3	0.00
June 15	16.9	6.5	0.00
June 16	15.7	9.5	0.12
June 17	15.5	10.1	1.50
June 18	22.5	7.7	0.00
June 19	15.3	4.5	0.44
June 20	15.1	6.1	0.62
June 21	18.6	9.9	0.22
June 22	21.1	11.0	0.00
June 23	22.6	7.7	0.00
June 24	25.2	3.7	0.00
June 25	28.2	10.1	2.00
June 26	23.1	8.7	0.28
June 27	21.0	6.1	0.00
June 28	17.2	9.2	1.56
June 29	24.3	10.1	1.86
June 30	24.0	11.5	0.00

July 1990 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	25.0	9.2	0.00
July 2	30.6	9.9	0.00
July 3	20.1	12.7	0.00
July 4	25.9	13.1	0.00
July 5	20.5	11.9	0.00
July 6	21.6	9.5	0.00
July 7	15.0	10.7	1.38
July 8	25.4	12.8	2.06
July 9	26.7	11.4	0.00
July 10	22.0	8.5	0.00
July 11	22.4	7.1	0.00
July 12	22.5	6.1	0.00
July 13	27.9	8.2	0.00
July 14	23.8	8.8	0.00
July 15	24.1	8.4	0.04
July 16	27.3	10.8	0.00
July 17	18.7	9.7	0.64
July 18	26.9	14.4	0.00
July 19	26.4	12.6	0.00
July 20	24.1	10.5	0.20
July 21	22.7	11.3	3.10
July 22	22.5	11.1	0.00
July 23	24.7	8.5	0.96
July 24	25.4	9.6	0.24
July 25	27.4	10.7	0.00
July 26	22.2	14.7	0.00
July 27	20.5	15.6	0.46
July 28	20.4	15.8	0.00
July 29	26.2	13.7	0.02
July 30	22.4	9.1	0.00
July 31	25.9	7.4	0.00

August 1990 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	26.1	10.3	0.00
August 2	26.2	9.0	0.00
August 3	29.0	14.1	1.44
August 4	25.4	13.8	0.00
August 5	19.8	8.3	0.00
August 6	22.6	4.9	0.00
August 7	28.1	9.7	0.00
August 8	30.5	13.9	0.00
August 9	25.5	13.5	0.28
August 10	16.3	11.9	0.16
August 11	15.7	10.5	0.60
August 12	20.5	6.7	0.00
August 13	23.8	5.3	0.00
August 14	25.6	9.5	0.02
August 15	24.7	7.5	0.00
August 16	30.6	8.5	0.00
August 17	20.7	15.4	0.72
August 18	18.5	8.8	0.00
August 19	14.6	3.5	0.00
August 20	19.5	2.1	0.00
August 21	22.6	3.7	0.00
August 22	25.3	6.9	0.00
August 23	24.1	7.6	0.00
August 24	25.6	16.5	0.00
August 25	22.2	14.8	2.92
August 26	24.4	13.8	0.00
August 27	22.6	13.6	0.00
August 28	23.5	10.8	0.00
August 29	25.6	8.8	0.00
August 30	29.2	9.1	0.00
August 31	21.8	12.7	0.18

September 1990 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	24.5	12.3	0.00
September 2	19.1	7.3	0.00
September 3	24.3	4.5	0.00
September 4	26.1	10.0	0.00
September 5	23.2	5.5	0.00
September 6	27.3	11.0	0.00
September 7	13.1	1.9	0.00
September 8	24.1	0.1	0.00
September 9	21.2	10.1	0.48
September 10	19.2	4.4	0.00
September 11	21.7	1.2	0.31
September 12	15.8	9.0	0.00
September 13	17.4	9.0	1.78
September 14	15.0	8.1	0.02
September 15	10.8	7.0	1.20
September 16	12.7	0.8	0.00
September 17	13.3	-1.7	0.00
September 18	16.5	1.5	0.47
September 19	18.9	4.9	0.00
September 20	12.8	1.4	0.14
September 21	14.8	8.9	1.42
September 22	9.4	4.1	0.06
September 23	13.3	0.1	0.00
September 24	20.2	8.0	0.00
September 25	20.8	3.6	0.04
September 26	23.4	6.6	0.00
September 27	18.8	4.7	0.00
September 28	13.6	7.5	0.02
September 29	8.8	5.1	0.28
September 30	9.4	4.4	0.10

October 1990 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
October 1	13.8	4.0	0.82	0.0
October 2	18.9	-1.3	0.00	0.0
October 3	17.1	7.6	2.58	0.0
October 4	11.2	3.2	0.00	0.0
October 5	14.3	2.5	0.02	0.0
October 6	8.3	0.4	0.12	0.0
October 7	10.2	-4.1	0.00	0.0
October 8	8.8	-4.7	0.00	0.0
October 9	11.7	-6.7	0.00	0.0
October 10	9.8	-5.8	0.00	0.0
October 11	16.4	-1.8	0.06	0.0
October 12	12.3	-1.4	0.86	0.0
October 13	10.9	-1.3	0.00	0.0
October 14	11.5	3.1	0.78	0.0
October 15	11.6	-3.3	0.00	0.0
October 16	9.7	-2.9	0.00	0.0
October 17	7.5	-0.6	2.15	13.4
October 18	4.4	-5.0	0.00	0.0
October 19	4.8	-8.0	0.00	0.0
October 20	7.4	2.7	0.80	0.0
October 21	7.7	-0.7	0.00	0.0
October 22	7.9	-2.4	0.00	0.0
October 23	10.3	-4.1	0.00	0.0
October 24	6.1	-4.6	0.00	0.0
October 25	4.9	-6.4	0.00	0.0
October 26	10.7	-3.1	0.00	0.0
October 27	9.6	-2.0	0.10	0.0
October 28	6.1	-5.3	0.00	0.0
October 29	12.6	-5.0	0.00	0.0
October 30	14.6	-4.1	0.00	0.0
October 31	11.0	-4.7	0.00	0.0

November 1990 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	13.9	-0.3	0.00	0.0
November 2	13.3	5.4	0.00	0.0
November 3	5.4	-2.6	0.00	0.0
November 4	3.4	-4.5	0.00	0.0
November 5	1.1	-3.0	0.00	0.0
November 6	5.4	-9.1	0.00	0.0
November 7	0.3	-10.8	0.00	0.0
November 8	3.0	-12.0	0.00	0.0
November 9	4.7	-5.7	0.02	0.4
November 10	0.7	-5.9	0.00	0.0
November 11	0.4	-6.5	0.00	0.0
November 12	-1.6	-9.0	0.00	0.0
November 13	-0.5	-7.8	0.00	0.0
November 14	11.7	-6.6	0.00	0.0
November 15	10.6	-5.1	0.20	0.0
November 16	7.9	-6.2	0.04	0.0
November 17	8.9	-8.4	0.00	0.0
November 18	8.5	-7.9	0.00	0.0
November 19	5.3	-7.0	0.00	0.0
November 20	6.6	-8.3	1.22	0.0
November 21	12.6	3.7	0.52	0.0
November 22	6.1	-0.4	0.00	0.0
November 23	2.7	-7.9	0.00	0.0
November 24	-4.8	-9.9	0.24	3.4
November 25	-6.1	-13.5	0.00	0.0
November 26	-0.6	-13.2	1.48	14.8
November 27	-1.7	-7.1	0.24	2.2
November 28	-5.7	-13.5	1.04	13.2
November 29	-4.6	-17.0	0.00	0.0
November 30	4.4	-16.1	0.00	0.0

December 1990 Thunder Bay Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	1.5	-13.8	0.00	0.0
December 2	-10.6	-19.4	0.00	0.0
December 3	-10.4	-17.7	0.00	0.0
December 4	-10.3	-20.4	0.00	0.0
December 5	1.3	-17.9	0.00	0.0
December 6	-1.9	-9.6	0.00	0.0
December 7	2.6	-10.0	0.02	0.6
December 8	3.0	-5.6	0.00	0.0
December 9	7.5	-7.9	0.00	0.0
December 10	-1.1	-9.8	0.04	0.4
December 11	0.5	-5.4	0.40	4.8
December 12	1.2	-5.6	1.86	14.2
December 13	-5.6	-20.9	0.02	0.2
December 14	-1.5	-18.1	0.00	0.0
December 15	-1.7	-8.6	0.00	0.0
December 16	0.7	-8.8	0.00	0.0
December 17	0.6	-13.6	0.00	0.0
December 18	-12.6	-21.4	0.00	0.0
December 19	-7.4	-23.4	0.30	3.4
December 20	1.4	-14.5	1.10	10.8
December 21	-14.4	-18.4	0.56	7.4
December 22	-17.7	-27.0	0.24	3.0
December 23	-16.2	-32.4	0.00	0.0
December 24	-18.3	-27.0	0.02	0.4
December 25	-17.6	-30.4	0.10	1.4
December 26	-22.9	-33.0	0.00	0.0
December 27	-2.6	-31.6	0.06	1.4
December 28	-2.3	-6.1	0.00	0.2
December 29	-4.8	-24.8	0.04	0.8
December 30	-21.7	-30.3	0.00	0.0
December 31	-15.3	-32.8	0.08	1.4

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Weather Station Details

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