Ottawa Weather in 1975

Historical record of Ottawa, Ontario weather for the year 1975 based on NOAA data.

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1975 Ottawa Weather Extremes
Highest temperature	35.6 °C	August 1
Lowest temperature	-29.4 °C	January 20
Highest daily low	23.9 °C	August 3
Lowest daily high	-23.3 °C	December 19
Most daily precipitation	3.0 cm	September 25
Most daily snow	23.6 cm	April 3
Total annual precipitation	84.3 cm	-
Total annual snow	225.1 cm	-

What was the hottest temperature in Ottawa in 1975?

The highest temperature recorded in Ottawa, Ontario in 1975 was 35.6 °C which happened on August 1.

Highest Temperatures: All-Time By Year

Highest Temperatures in Ottawa in 1975

Rank	Temperature	Date
1	35.6 °C	Aug 1
2	34.4 °C	Aug 2
3	33.3 °C	Jul 31
3	33.3 °C	Jun 23
5	32.8 °C	Jul 18
5	32.8 °C	Jul 17
5	32.8 °C	Jul 7
5	32.8 °C	Jul 2
9	32.2 °C	Jul 6
9	32.2 °C	May 23

What was the coldest temperature in Ottawa in 1975?

The lowest temperature recorded in Ottawa, Ontario in 1975 was -29.4 °C which happened on Jan 20.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Ottawa in 1975

Rank	Temperature	Date
1	-29.4 °C	January 20
2	-28.3 °C	December 19
3	-26.7 °C	January 21
4	-25.6 °C	December 20
4	-25.6 °C	February 10
4	-25.6 °C	February 4
7	-23.9 °C	January 23
8	-23.3 °C	January 17
9	-22.8 °C	February 2
10	-22.2 °C	December 29

January 1975 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	0.0	-9.4	0.25	3.3
January 2	-7.2	-11.1	0.00	0.0
January 3	1.1	-13.3	0.58	5.3
January 4	-0.6	-5.0	0.00	0.0
January 5	-3.3	-18.9	0.00	0.0
January 6	-5.6	-19.4	0.15	2.0
January 7	-2.8	-12.2	0.18	2.8
January 8	1.7	-5.0	0.41	1.3
January 9	3.3	-1.7	0.38	0.0
January 10	3.3	1.1	0.36	0.0
January 11	8.3	1.1	0.18	n/a
January 12	-0.6	-2.8	0.00	0.0
January 13	-2.2	-4.4	0.00	0.0
January 14	-8.3	-10.0	0.00	0.0
January 15	-10.0	-17.8	0.15	2.0
January 16	-7.2	-12.8	0.05	1.0
January 17	-13.3	-23.3	0.00	0.0
January 18	1.7	-20.0	0.53	5.3
January 19	1.7	-7.2	0.00	0.0
January 20	-21.7	-29.4	0.00	0.0
January 21	0.6	-26.7	0.00	0.0
January 22	-16.7	-20.0	0.00	0.0
January 23	-7.8	-23.9	0.64	6.6
January 24	-1.1	-13.9	0.84	7.9
January 25	2.2	-5.0	1.57	9.9
January 26	-5.0	-8.9	0.08	0.8
January 27	-8.3	-18.9	0.03	0.3
January 28	-3.9	-12.8	0.00	0.0
January 29	-5.0	-12.8	0.51	4.3
January 30	-15.0	-19.4	0.00	0.0
January 31	-8.3	-21.7	0.08	0.8

February 1975 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	-8.9	-17.2	0.00	0.0
February 2	-8.3	-22.8	0.00	0.0
February 3	-11.7	-17.2	0.00	0.0
February 4	-16.7	-25.6	0.00	0.0
February 5	-6.7	-18.3	0.46	4.8
February 6	-2.8	-11.7	0.10	3.0
February 7	-6.7	-12.8	0.00	0.0
February 8	-3.9	-17.2	0.00	0.0
February 9	-11.7	-18.9	0.00	0.0
February 10	-9.4	-25.6	0.18	1.8
February 11	-6.7	-14.4	0.00	0.0
February 12	-11.1	-20.6	0.13	0.8
February 13	-13.3	-18.3	0.00	0.0
February 14	-3.9	-21.1	0.00	0.0
February 15	0.0	-16.1	0.00	0.0
February 16	1.7	-11.7	0.00	0.0
February 17	2.2	-11.7	1.22	10.9
February 18	3.3	-7.2	0.84	4.8
February 19	1.7	0.0	0.00	0.0
February 20	1.1	-3.9	0.00	0.0
February 21	3.3	-1.1	0.00	0.0
February 22	5.6	-7.2	0.03	0.0
February 23	5.0	0.0	0.00	0.0
February 24	2.8	-0.6	1.30	1.3
February 25	2.2	0.0	0.30	3.0
February 26	2.2	-0.6	0.10	1.5
February 27	-0.6	-4.4	0.08	0.8
February 28	0.6	-5.6	0.36	4.6

March 1975 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	-0.6	-5.6	0.05	1.0
March 2	-2.2	-12.2	0.00	0.0
March 3	-5.6	-10.0	0.00	0.0
March 4	-5.6	-12.8	0.00	0.0
March 5	-1.7	-15.0	0.41	2.8
March 6	-1.7	-7.2	0.20	2.0
March 7	-1.1	-9.4	1.35	16.0
March 8	-9.4	-13.9	0.00	0.0
March 9	-6.7	-21.7	0.00	0.0
March 10	-2.8	-15.0	0.00	0.0
March 11	1.1	-18.3	0.00	0.0
March 12	3.9	-11.7	0.30	0.3
March 13	1.7	-2.2	0.08	0.5
March 14	-4.4	-11.7	0.00	0.0
March 15	2.8	-8.3	0.00	0.0
March 16	6.7	-6.7	0.00	0.0
March 17	6.1	-7.8	0.00	0.0
March 18	8.3	-6.7	0.23	0.0
March 19	5.0	-1.1	2.92	0.0
March 20	3.9	-1.1	0.00	0.0
March 21	0.0	-10.6	0.00	0.0
March 22	0.6	-7.8	0.36	0.5
March 23	1.7	-3.3	0.00	0.0
March 24	-0.6	-5.0	0.91	0.0
March 25	2.8	-3.3	0.15	1.0
March 26	-7.2	-15.0	0.00	0.0
March 27	-4.4	-16.7	0.00	0.0
March 28	0.0	-12.2	0.00	0.0
March 29	2.8	-6.7	0.23	0.0
March 30	2.2	-1.1	0.10	1.0
March 31	-1.7	-9.4	0.00	0.0

April 1975 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	2.2	-6.7	0.00	0.0
April 2	2.2	-7.8	0.56	5.6
April 3	-1.7	-3.9	1.75	23.6
April 4	-0.6	-7.2	0.05	0.5
April 5	5.0	-5.6	0.00	0.0
April 6	-2.2	-6.1	0.00	0.0
April 7	-1.1	-3.9	0.00	0.0
April 8	2.8	-4.4	0.00	0.0
April 9	2.8	-6.1	0.00	0.0
April 10	2.8	-4.4	0.00	0.0
April 11	2.2	-6.7	0.00	0.0
April 12	2.8	-7.2	0.00	0.0
April 13	3.9	-5.6	0.00	0.0
April 14	8.9	-3.3	0.00	0.0
April 15	10.0	-4.4	0.00	0.0
April 16	13.3	-0.6	0.00	0.0
April 17	15.0	1.7	0.00	0.0
April 18	15.6	1.1	0.58	0.0
April 19	16.1	4.4	0.00	0.0
April 20	6.7	2.8	0.00	0.0
April 21	5.6	-3.9	0.00	0.0
April 22	14.4	-1.7	0.00	0.0
April 23	15.0	-1.1	0.30	0.0
April 24	12.8	5.0	0.00	0.0
April 25	10.6	5.6	0.00	0.0
April 26	9.4	0.6	0.00	0.0
April 27	12.8	3.3	0.00	0.0
April 28	11.7	1.7	0.00	0.0
April 29	15.6	1.7	0.00	0.0
April 30	17.8	4.4	0.00	0.0

May 1975 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	17.8	5.6	0.03
May 2	16.7	8.3	0.00
May 3	18.9	3.3	0.00
May 4	17.2	7.2	0.46
May 5	16.1	8.9	0.00
May 6	17.8	7.2	0.00
May 7	21.7	5.6	0.00
May 8	22.2	5.6	0.00
May 9	21.1	7.2	0.00
May 10	22.8	3.9	0.00
May 11	24.4	5.6	0.00
May 12	20.0	7.2	0.00
May 13	24.4	11.1	0.00
May 14	25.6	6.7	0.00
May 15	23.9	11.1	0.81
May 16	22.2	13.3	0.00
May 17	23.9	6.1	0.00
May 18	26.1	11.1	0.00
May 19	29.4	12.8	0.00
May 20	31.7	15.0	0.00
May 21	30.6	17.2	0.81
May 22	30.6	18.3	0.00
May 23	32.2	18.9	0.00
May 24	27.2	16.1	0.00
May 25	24.4	11.7	0.00
May 26	25.6	16.7	0.61
May 27	23.9	16.7	0.66
May 28	23.3	11.7	0.00
May 29	24.4	12.8	0.00
May 30	21.1	12.8	0.74
May 31	26.7	16.7	0.28

June 1975 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	23.3	15.6	0.00
June 2	21.1	12.8	0.00
June 3	20.0	11.1	0.00
June 4	23.3	11.1	0.00
June 5	21.1	10.6	2.16
June 6	21.1	12.8	2.64
June 7	13.3	8.9	0.33
June 8	18.9	9.4	0.23
June 9	19.4	8.9	0.00
June 10	25.0	11.1	0.00
June 11	25.0	11.7	0.53
June 12	20.6	15.6	0.36
June 13	23.3	15.6	0.15
June 14	28.3	13.3	0.00
June 15	27.8	15.0	0.30
June 16	25.0	18.3	0.00
June 17	27.2	12.8	0.00
June 18	27.8	20.6	0.00
June 19	27.2	17.8	0.03
June 20	24.4	15.0	0.00
June 21	27.2	11.1	0.00
June 22	31.7	12.8	0.00
June 23	33.3	16.7	0.00
June 24	27.8	20.6	0.00
June 25	26.1	12.8	0.00
June 26	27.8	10.0	0.00
June 27	28.9	15.6	0.00
June 28	29.4	14.4	0.00
June 29	28.9	19.4	0.00
June 30	29.4	13.3	0.00

July 1975 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	30.6	12.8	0.00
July 2	32.8	16.1	0.41
July 3	27.8	18.3	0.00
July 4	28.9	13.3	0.00
July 5	30.0	16.1	0.00
July 6	32.2	17.2	0.00
July 7	32.8	16.1	0.00
July 8	31.7	18.3	0.66
July 9	28.3	19.4	0.00
July 10	27.2	16.1	2.01
July 11	22.8	16.7	0.81
July 12	25.6	11.7	0.03
July 13	25.6	16.7	0.00
July 14	26.7	20.6	0.00
July 15	27.2	16.1	0.00
July 16	30.6	14.4	0.00
July 17	32.8	18.9	0.00
July 18	32.8	16.7	0.00
July 19	27.2	18.3	0.33
July 20	30.6	20.0	2.64
July 21	25.6	18.3	0.10
July 22	27.8	15.0	0.03
July 23	28.9	16.7	0.00
July 24	24.4	18.3	1.88
July 25	21.1	18.3	0.00
July 26	24.4	12.2	0.00
July 27	21.1	12.2	1.42
July 28	25.6	16.7	0.51
July 29	26.1	13.9	0.00
July 30	31.7	17.8	0.00
July 31	33.3	19.4	0.00

August 1975 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	35.6	21.7	0.00
August 2	34.4	23.3	0.00
August 3	31.1	23.9	0.00
August 4	30.6	21.7	0.00
August 5	26.7	20.0	0.00
August 6	20.0	13.3	0.00
August 7	26.1	15.0	0.00
August 8	29.4	10.0	0.00
August 9	30.6	11.7	0.00
August 10	31.1	18.3	0.03
August 11	27.8	17.2	0.00
August 12	30.0	15.6	0.00
August 13	26.7	12.2	0.69
August 14	27.8	16.7	0.00
August 15	27.8	11.7	0.00
August 16	30.0	13.3	0.00
August 17	27.8	16.1	0.13
August 18	23.9	14.4	0.00
August 19	22.8	8.3	0.00
August 20	23.9	10.0	0.00
August 21	23.3	7.2	0.08
August 22	23.3	14.4	0.00
August 23	25.6	7.2	0.00
August 24	19.4	11.1	0.97
August 25	28.9	16.7	0.00
August 26	27.8	20.6	0.13
August 27	26.1	13.9	0.00
August 28	25.0	11.7	0.15
August 29	16.7	14.4	0.53
August 30	23.9	14.4	0.00
August 31	22.2	10.0	0.00

September 1975 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	18.3	11.7	0.48
September 2	22.2	14.4	0.79
September 3	20.6	5.0	0.00
September 4	22.2	8.9	0.00
September 5	21.7	11.1	0.00
September 6	16.1	10.6	0.86
September 7	17.8	7.2	0.23
September 8	25.0	10.6	0.00
September 9	15.6	8.3	0.00
September 10	18.9	2.8	0.00
September 11	26.7	8.3	2.87
September 12	16.1	11.1	0.00
September 13	14.4	4.4	0.20
September 14	13.9	5.0	0.00
September 15	19.4	6.7	0.03
September 16	19.4	11.1	0.03
September 17	18.3	12.8	0.00
September 18	17.8	10.6	0.99
September 19	21.1	13.3	0.79
September 20	18.9	15.0	1.40
September 21	17.2	10.0	0.18
September 22	17.8	10.0	0.00
September 23	17.2	7.8	0.25
September 24	13.3	8.9	0.08
September 25	12.2	6.7	3.02
September 26	13.3	9.4	0.66
September 27	17.2	12.2	0.46
September 28	20.0	11.1	0.03
September 29	22.8	7.2	0.00
September 30	21.1	7.2	0.00

October 1975 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	20.0	10.0	1.12
October 2	9.4	5.6	0.00
October 3	17.8	-0.6	0.00
October 4	12.8	3.3	0.00
October 5	21.1	0.6	0.03
October 6	18.9	11.7	0.00
October 7	11.1	1.1	0.00
October 8	18.3	2.2	0.00
October 9	12.2	2.8	0.00
October 10	10.0	4.4	0.28
October 11	15.6	6.7	1.35
October 12	12.2	10.0	0.00
October 13	12.8	10.0	1.22
October 14	15.6	10.6	0.15
October 15	8.3	6.1	0.84
October 16	11.7	4.4	0.00
October 17	8.3	0.0	0.53
October 18	9.4	3.3	0.00
October 19	8.3	6.1	1.19
October 20	12.8	6.7	0.13
October 21	16.7	8.3	0.00
October 22	16.1	5.6	0.00
October 23	15.0	5.0	0.00
October 24	21.7	6.7	0.00
October 25	21.7	8.9	0.20
October 26	12.2	2.8	0.05
October 27	14.4	0.0	0.03
October 28	18.3	1.1	0.00
October 29	11.7	8.3	0.00
October 30	2.8	-0.6	0.00
October 31	5.0	-5.0	0.43

November 1975 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	10.0	1.1	1.24	0.0
November 2	12.2	5.0	0.03	0.0
November 3	17.2	8.9	0.10	0.0
November 4	15.0	8.9	0.00	0.0
November 5	12.8	7.8	0.00	0.0
November 6	16.7	0.0	0.00	0.0
November 7	20.6	8.3	1.04	0.0
November 8	17.2	12.8	0.66	0.0
November 9	16.1	5.6	0.00	0.0
November 10	18.3	8.3	2.08	0.0
November 11	10.6	6.7	0.03	0.0
November 12	6.7	0.0	0.43	0.0
November 13	7.2	4.4	0.00	0.5
November 14	1.7	-0.6	0.00	0.0
November 15	5.6	-4.4	0.00	0.0
November 16	6.7	1.1	0.00	0.0
November 17	12.2	-1.1	0.00	0.0
November 18	12.2	0.6	0.00	0.0
November 19	3.9	-1.7	0.00	0.0
November 20	2.2	-0.6	0.00	0.0
November 21	3.9	0.0	1.04	0.0
November 22	-1.1	-2.8	0.00	0.0
November 23	0.0	-5.0	0.00	0.0
November 24	0.0	-6.7	0.00	0.0
November 25	-2.8	-4.4	0.00	0.0
November 26	-2.8	-8.3	0.69	7.1
November 27	2.2	-5.6	0.43	6.6
November 28	0.0	-2.2	0.00	0.0
November 29	0.6	-11.1	0.36	0.0
November 30	11.1	-5.6	0.15	0.0

December 1975 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	2.2	0.6	0.00	0.0
December 2	-2.2	-5.6	0.74	9.9
December 3	-3.3	-5.6	0.00	n/a
December 4	-6.7	-13.3	0.00	0.0
December 5	2.2	-14.4	0.51	0.0
December 6	6.7	-5.6	0.23	0.0
December 7	-7.2	-13.3	0.00	0.0
December 8	-6.1	-11.1	0.00	0.0
December 9	1.7	-10.6	2.41	16.0
December 10	1.1	-3.9	0.08	1.0
December 11	-3.3	-6.7	0.00	0.0
December 12	-3.9	-17.8	0.00	0.0
December 13	3.3	-16.7	0.71	3.3
December 14	9.4	-11.1	0.84	0.0
December 15	8.3	-6.1	0.00	0.0
December 16	-11.1	-16.1	0.08	0.3
December 17	-8.9	-14.4	0.03	0.5
December 18	-12.2	-16.7	0.00	0.0
December 19	-23.3	-28.3	0.00	0.0
December 20	-17.2	-25.6	0.03	0.5
December 21	-10.6	-20.0	0.00	0.0
December 22	-6.1	-17.8	0.00	0.0
December 23	-12.2	-13.9	0.00	0.0
December 24	-15.6	-21.7	0.00	0.0
December 25	-7.8	-18.3	0.23	3.3
December 26	-4.4	-14.4	0.71	14.7
December 27	-7.8	-11.1	0.00	0.0
December 28	-10.6	-17.2	0.00	0.0
December 29	-8.3	-22.2	0.23	2.5
December 30	0.0	-15.6	1.02	13.2
December 31	1.1	-11.1	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1889–2024	Ottawa CDA	location