Ottawa Weather in 1973

Historical record of Ottawa, Ontario weather for the year 1973 based on NOAA data.

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1973 Ottawa Weather Extremes
Highest temperature	34.4 °C	July 8
Lowest temperature	-30.0 °C	January 31
Highest daily low	22.2 °C	September 3
Lowest daily high	-20.6 °C	January 31
Most daily precipitation	6.1 cm	August 8
Most daily snow	37.6 cm	December 20
Total annual precipitation	102.0 cm	-
Total annual snow	187.1 cm	-

What was the hottest temperature in Ottawa in 1973?

The highest temperature recorded in Ottawa, Ontario in 1973 was 34.4 °C which happened on July 8.

Highest Temperatures: All-Time By Year

Highest Temperatures in Ottawa in 1973

Rank	Temperature	Date
1	34.4 °C	Jul 8
2	33.3 °C	Aug 29
3	32.8 °C	Sep 2
3	32.8 °C	Jul 7
5	32.2 °C	Sep 3
6	31.7 °C	Aug 30
6	31.7 °C	Aug 9
8	31.1 °C	Sep 5
8	31.1 °C	Sep 1
10	30.6 °C	Jul 24
10	30.6 °C	Jul 13

What was the coldest temperature in Ottawa in 1973?

The lowest temperature recorded in Ottawa, Ontario in 1973 was -30.0 °C which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Ottawa in 1973

Rank	Temperature	Date
1	-30.0 °C	January 31
1	-30.0 °C	January 9
3	-27.8 °C	January 8
4	-27.2 °C	December 24
4	-27.2 °C	February 12
6	-26.7 °C	February 11
7	-25.6 °C	February 17
7	-25.6 °C	February 1
9	-25.0 °C	December 19
9	-25.0 °C	January 13
9	-25.0 °C	January 12

January 1973 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	1.7	-0.6	0.00	0.0
January 2	-5.0	-10.0	0.00	0.0
January 3	-4.4	-11.1	0.36	2.3
January 4	3.3	-9.4	0.08	0.0
January 5	0.0	-3.9	0.28	4.6
January 6	-17.2	-23.3	0.00	0.0
January 7	-19.4	-24.4	0.00	0.0
January 8	-20.6	-27.8	0.00	0.0
January 9	-9.4	-30.0	0.00	0.0
January 10	-5.6	-14.4	0.03	0.3
January 11	-5.6	-10.6	0.00	0.0
January 12	-14.4	-25.0	0.13	1.8
January 13	-9.4	-25.0	0.00	0.0
January 14	-0.6	-15.0	0.41	3.3
January 15	1.1	-7.2	0.00	0.0
January 16	2.2	-7.8	0.00	0.0
January 17	4.4	-1.1	0.00	0.0
January 18	5.6	0.0	0.00	0.0
January 19	7.2	-1.7	0.53	0.8
January 20	-4.4	-7.2	0.00	0.0
January 21	-7.8	-16.1	0.00	0.0
January 22	3.3	-14.4	1.22	0.0
January 23	3.3	-3.3	0.36	2.0
January 24	-3.9	-5.6	0.00	0.0
January 25	0.6	-12.8	0.00	0.0
January 26	2.2	-3.9	0.00	0.0
January 27	2.8	0.0	0.00	0.0
January 28	-6.1	-7.8	0.97	11.9
January 29	-10.6	-15.0	0.33	4.3
January 30	-8.9	-21.7	0.05	0.8
January 31	-20.6	-30.0	0.00	0.0

February 1973 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	-1.7	-25.6	0.71	1.5
February 2	2.8	-17.8	1.88	0.0
February 3	-0.6	-5.0	0.08	0.0
February 4	1.7	-5.6	0.10	1.0
February 5	-7.2	-12.8	0.00	0.0
February 6	-6.7	-15.0	0.00	0.0
February 7	-2.2	-9.4	0.46	2.3
February 8	-6.1	-8.3	0.20	2.3
February 9	-12.2	-20.6	0.00	0.0
February 10	-12.2	-21.1	0.00	0.0
February 11	-14.4	-26.7	0.00	0.0
February 12	-11.7	-27.2	0.00	0.0
February 13	-3.9	-19.4	0.00	0.0
February 14	-0.6	-17.2	0.41	5.6
February 15	-2.8	-7.2	0.23	2.5
February 16	-13.3	-21.1	0.00	0.0
February 17	-15.0	-25.6	0.00	0.0
February 18	-2.2	-24.4	0.00	0.0
February 19	1.1	-8.9	0.18	3.3
February 20	1.7	-0.6	0.20	0.3
February 21	-2.2	-8.9	0.13	0.8
February 22	-3.3	-7.8	0.00	0.0
February 23	-3.9	-14.4	0.00	0.0
February 24	-5.6	-15.0	0.00	0.0
February 25	-10.0	-18.3	0.00	0.0
February 26	-10.6	-18.3	0.00	0.0
February 27	-15.0	-21.1	0.00	0.0
February 28	-5.6	-21.1	0.36	3.8

March 1973 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	-4.4	-8.3	1.02	9.9
March 2	-3.3	-6.7	0.00	n/a
March 3	3.9	-5.6	1.52	0.0
March 4	6.1	-0.6	0.00	0.0
March 5	1.7	-4.4	0.38	0.0
March 6	2.2	-1.1	0.05	0.0
March 7	7.2	0.6	0.20	0.0
March 8	11.1	2.8	0.00	0.0
March 9	1.7	-2.8	0.25	0.0
March 10	1.7	-2.8	0.38	0.0
March 11	5.0	-0.6	0.97	0.0
March 12	6.7	1.1	0.56	0.0
March 13	5.0	-1.1	0.00	0.0
March 14	2.2	-1.7	0.28	0.0
March 15	7.2	0.0	0.41	0.0
March 16	5.0	2.2	0.51	0.0
March 17	4.4	0.6	2.31	0.0
March 18	2.2	-0.6	0.13	0.5
March 19	1.7	-2.2	0.00	0.0
March 20	-2.2	-5.6	0.00	0.0
March 21	1.7	-3.9	0.00	0.0
March 22	1.7	-2.2	0.00	0.0
March 23	7.2	-6.1	0.00	0.0
March 24	10.0	-1.7	0.00	0.0
March 25	11.7	1.1	0.00	0.0
March 26	9.4	0.0	0.00	0.0
March 27	5.6	-2.8	0.00	0.0
March 28	12.2	-3.3	0.18	0.0
March 29	8.9	1.7	0.41	0.0
March 30	11.1	3.9	0.38	0.0
March 31	10.6	4.4	0.00	0.0

April 1973 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	8.3	4.4	1.50	0.0
April 2	3.9	-0.6	0.48	0.0
April 3	3.9	1.1	0.36	0.0
April 4	4.4	0.6	1.50	0.0
April 5	10.0	0.6	0.00	0.0
April 6	8.9	-1.1	0.00	0.0
April 7	6.1	-2.2	0.00	0.0
April 8	6.1	-2.8	0.00	0.0
April 9	4.4	-5.0	0.51	3.8
April 10	-1.1	-3.9	0.46	5.8
April 11	0.6	-6.7	0.00	0.0
April 12	1.1	-6.1	0.00	0.0
April 13	3.9	-7.8	0.00	0.0
April 14	11.1	-3.9	0.00	0.0
April 15	15.0	-1.7	0.00	0.0
April 16	23.3	1.7	0.03	0.0
April 17	16.7	7.8	0.00	0.0
April 18	20.6	1.1	0.00	0.0
April 19	21.1	6.7	0.00	0.0
April 20	18.3	3.3	0.00	0.0
April 21	23.3	8.3	0.03	0.0
April 22	23.3	12.8	0.15	0.0
April 23	13.3	8.9	0.00	0.0
April 24	13.9	3.9	0.00	0.0
April 25	14.4	-0.6	0.00	0.0
April 26	17.2	3.3	0.00	0.0
April 27	10.6	7.2	3.00	0.0
April 28	11.1	6.1	0.20	0.0
April 29	6.1	1.7	0.05	0.0
April 30	13.3	1.7	0.00	0.0

May 1973 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	13.3	3.9	1.12
May 2	22.2	8.9	0.38
May 3	17.8	11.1	0.56
May 4	8.9	5.0	0.23
May 5	10.6	3.9	0.00
May 6	17.8	3.9	0.00
May 7	17.2	4.4	0.00
May 8	16.1	5.6	0.25
May 9	15.6	11.1	0.33
May 10	23.9	8.3	0.66
May 11	17.8	11.1	0.46
May 12	15.6	6.1	0.23
May 13	12.2	5.6	0.00
May 14	15.0	3.9	0.00
May 15	12.8	2.2	0.00
May 16	17.2	1.1	0.18
May 17	7.8	4.4	1.12
May 18	8.9	5.6	2.26
May 19	15.0	6.7	0.38
May 20	19.4	4.4	0.00
May 21	18.3	10.6	0.03
May 22	19.4	8.3	0.00
May 23	20.6	6.1	0.00
May 24	21.1	9.4	0.00
May 25	19.4	7.8	0.00
May 26	18.9	7.8	0.00
May 27	19.4	10.0	0.43
May 28	16.1	12.2	1.30
May 29	17.2	11.7	0.20
May 30	21.1	8.3	0.20
May 31	21.7	12.8	0.08

June 1973 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	21.7	13.3	0.00
June 2	16.7	4.4	0.00
June 3	22.8	4.4	0.76
June 4	18.9	12.2	0.08
June 5	26.1	15.0	0.03
June 6	28.3	17.8	0.81
June 7	26.1	16.7	0.05
June 8	27.2	15.6	0.69
June 9	27.8	16.1	0.00
June 10	25.6	13.3	0.36
June 11	28.9	17.8	4.32
June 12	25.6	18.3	0.08
June 13	25.6	16.7	0.00
June 14	23.3	12.2	0.00
June 15	11.7	10.0	3.35
June 16	13.9	8.3	0.69
June 17	19.4	7.2	0.00
June 18	21.1	10.6	0.00
June 19	22.2	11.7	0.00
June 20	28.3	14.4	0.00
June 21	27.8	20.0	0.00
June 22	26.1	15.6	1.40
June 23	24.4	12.8	0.20
June 24	24.4	14.4	0.66
June 25	26.1	13.9	0.00
June 26	30.0	13.3	0.00
June 27	29.4	20.6	0.00
June 28	26.7	18.3	0.48
June 29	25.0	19.4	0.00
June 30	27.2	18.9	0.00

July 1973 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	26.1	16.1	0.41
July 2	29.4	14.4	0.00
July 3	30.0	20.0	0.00
July 4	29.4	16.1	0.00
July 5	29.4	17.8	0.00
July 6	26.7	15.6	0.00
July 7	32.8	17.2	0.00
July 8	34.4	21.7	0.08
July 9	30.0	21.1	0.03
July 10	22.8	18.3	2.64
July 11	18.9	13.3	0.00
July 12	22.2	9.4	0.00
July 13	30.6	14.4	0.00
July 14	25.6	20.6	0.00
July 15	24.4	15.6	0.00
July 16	25.0	12.2	0.00
July 17	26.7	10.6	0.00
July 18	28.3	11.7	0.00
July 19	28.9	14.4	0.13
July 20	26.1	16.7	0.00
July 21	26.7	15.6	0.00
July 22	27.2	15.0	0.00
July 23	28.3	13.3	0.00
July 24	30.6	12.8	0.00
July 25	30.0	14.4	0.30
July 26	29.4	20.6	0.15
July 27	28.3	20.6	0.86
July 28	28.9	17.8	0.03
July 29	27.2	17.8	0.00
July 30	27.8	12.8	0.00
July 31	28.9	17.8	1.12

August 1973 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	22.2	19.4	1.60
August 2	26.7	18.3	0.00
August 3	26.1	17.8	0.00
August 4	26.7	17.8	0.00
August 5	28.3	17.2	0.05
August 6	30.0	18.9	2.36
August 7	28.3	17.8	0.10
August 8	26.7	20.6	6.05
August 9	31.7	20.0	0.03
August 10	29.4	21.7	0.00
August 11	29.4	20.0	0.00
August 12	25.0	17.2	0.00
August 13	25.6	16.1	0.00
August 14	26.1	17.2	0.51
August 15	24.4	16.7	0.00
August 16	28.3	12.8	0.00
August 17	29.4	16.1	0.00
August 18	29.4	18.9	0.56
August 19	27.8	16.7	0.00
August 20	27.2	16.7	0.00
August 21	25.0	17.2	1.07
August 22	18.9	11.7	0.00
August 23	21.1	7.2	0.00
August 24	21.7	11.1	0.00
August 25	26.1	10.6	0.00
August 26	23.9	17.2	0.10
August 27	28.9	15.0	0.05
August 28	30.0	20.0	0.00
August 29	33.3	18.3	0.00
August 30	31.7	21.1	0.00
August 31	29.4	20.0	0.00

September 1973 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	31.1	20.0	0.00
September 2	32.8	20.0	0.00
September 3	32.2	22.2	0.86
September 4	29.4	20.0	0.00
September 5	31.1	18.9	1.68
September 6	24.4	17.2	0.00
September 7	17.8	12.2	0.00
September 8	16.7	11.1	0.00
September 9	16.7	8.9	0.00
September 10	20.6	2.8	0.13
September 11	21.1	11.7	0.10
September 12	17.8	8.9	0.05
September 13	17.2	5.6	0.00
September 14	20.0	9.4	0.00
September 15	20.6	7.8	0.05
September 16	13.3	8.3	0.00
September 17	12.8	0.0	1.24
September 18	15.6	6.7	0.00
September 19	18.3	6.1	0.33
September 20	12.2	4.4	0.03
September 21	13.3	-0.6	0.18
September 22	11.7	3.3	1.42
September 23	15.0	6.7	0.08
September 24	16.7	6.7	0.00
September 25	17.2	7.2	0.00
September 26	21.7	10.0	0.00
September 27	23.3	15.6	0.08
September 28	20.0	8.9	0.00
September 29	17.8	10.0	0.00
September 30	16.7	4.4	0.00

October 1973 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	21.1	2.2	0.00
October 2	15.0	7.8	2.31
October 3	17.2	13.3	0.76
October 4	19.4	13.9	1.07
October 5	16.7	12.8	0.23
October 6	15.6	7.2	0.00
October 7	17.2	3.9	0.00
October 8	18.9	3.3	0.00
October 9	22.2	5.0	0.00
October 10	13.3	6.1	0.00
October 11	15.6	3.9	0.00
October 12	21.7	8.9	0.05
October 13	21.1	12.8	0.61
October 14	14.4	9.4	0.00
October 15	15.0	6.1	0.13
October 16	8.3	3.9	0.00
October 17	7.8	4.4	0.00
October 18	8.3	1.7	0.00
October 19	10.6	-1.7	0.41
October 20	8.3	5.0	0.03
October 21	11.1	-1.1	0.00
October 22	16.7	0.0	0.00
October 23	20.0	2.8	0.00
October 24	16.1	8.3	0.00
October 25	21.7	2.8	0.00
October 26	16.7	5.0	0.00
October 27	7.2	-0.6	0.00
October 28	5.6	0.6	0.00
October 29	8.9	1.1	0.13
October 30	10.6	6.7	1.60
October 31	11.1	7.2	0.81

November 1973 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	10.6	6.1	0.18	0.0
November 2	10.6	5.6	0.33	0.0
November 3	5.6	1.7	0.00	0.0
November 4	3.9	0.0	0.00	0.0
November 5	2.2	-3.9	0.00	0.0
November 6	-1.7	-4.4	0.00	0.0
November 7	2.8	-6.1	0.00	0.0
November 8	6.7	0.6	0.20	0.0
November 9	-1.1	-4.4	0.00	0.0
November 10	0.6	-6.7	0.00	0.0
November 11	1.7	-8.9	0.15	1.0
November 12	7.2	-0.6	0.05	0.0
November 13	10.6	3.3	0.53	0.0
November 14	11.7	2.2	0.43	0.0
November 15	2.2	1.1	0.46	6.4
November 16	-1.1	-3.3	0.00	0.0
November 17	1.7	-5.6	0.00	0.0
November 18	1.1	-3.9	0.00	0.0
November 19	-1.7	-10.0	0.00	0.0
November 20	-1.1	-3.9	0.00	0.0
November 21	1.1	-6.1	0.61	0.0
November 22	3.9	-0.6	0.05	0.0
November 23	9.4	-1.1	0.00	0.0
November 24	2.8	-3.3	0.99	0.0
November 25	3.9	0.0	0.00	0.0
November 26	1.1	-4.4	0.00	0.0
November 27	3.3	-2.2	0.38	0.0
November 28	5.0	0.0	0.74	0.0
November 29	4.4	1.7	0.10	1.0
November 30	4.4	0.0	0.00	0.0

December 1973 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	0.0	-3.9	0.00	0.0
December 2	-1.1	-8.3	0.00	0.0
December 3	3.9	-5.0	0.00	0.0
December 4	7.2	0.6	0.36	0.0
December 5	7.8	2.2	2.11	0.0
December 6	3.3	1.1	0.18	1.3
December 7	-2.2	-4.4	0.00	0.0
December 8	-2.2	-8.3	0.00	0.0
December 9	0.6	-6.1	2.59	14.0
December 10	1.7	-4.4	0.03	0.3
December 11	0.0	-3.9	0.00	0.0
December 12	-5.6	-13.3	0.00	0.0
December 13	-1.7	-13.3	0.81	14.2
December 14	-7.8	-9.4	0.05	0.5
December 15	-10.6	-17.8	0.00	0.0
December 16	-11.7	-15.0	0.00	0.0
December 17	-11.7	-16.1	0.33	11.9
December 18	-16.7	-19.4	0.00	0.0
December 19	-12.2	-25.0	0.25	3.0
December 20	-6.7	-16.1	2.39	37.6
December 21	-7.8	-10.0	0.13	1.3
December 22	-11.1	-19.4	0.58	11.9
December 23	-8.3	-15.0	0.00	0.0
December 24	-14.4	-27.2	0.00	0.0
December 25	5.0	-23.3	0.76	0.0
December 26	4.4	-12.8	0.28	0.0
December 27	3.3	0.6	0.00	0.0
December 28	2.2	0.6	0.00	0.0
December 29	3.9	-1.1	0.33	0.0
December 30	-2.2	-5.0	0.03	0.3
December 31	-6.1	-8.9	0.76	6.9

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Weather Station Details

Years	Station	Coordinates
1889–2024	Ottawa CDA	location