Ottawa Weather in 1979

Historical record of Ottawa, Ontario weather for the year 1979 based on NOAA data.

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1979 Ottawa Weather Extremes
Highest temperature	32.5 °C	July 22
Lowest temperature	-30.0 °C	February 12
Highest daily low	21.5 °C	July 26
Lowest daily high	-21.5 °C	February 11
Most daily precipitation	3.9 cm	November 26
Most daily snow	22.2 cm	January 13
Total annual precipitation	94.8 cm	-
Total annual snow	177.8 cm	-

What was the hottest temperature in Ottawa in 1979?

The highest temperature recorded in Ottawa, Ontario in 1979 was 32.5 °C which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Ottawa in 1979

Rank	Temperature	Date
1	32.5 °C	Jul 22
1	32.5 °C	Jul 14
3	32.0 °C	Jul 24
3	32.0 °C	Jul 13
5	31.5 °C	Jul 15
5	31.5 °C	Jun 10
5	31.5 °C	May 9
8	31.0 °C	Jul 12
9	30.5 °C	Jul 25
9	30.5 °C	Jul 21
9	30.5 °C	Jun 15

What was the coldest temperature in Ottawa in 1979?

The lowest temperature recorded in Ottawa, Ontario in 1979 was -30.0 °C which happened on Feb 12.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Ottawa in 1979

Rank	Temperature	Date
1	-30.0 °C	February 12
2	-29.5 °C	February 11
3	-28.5 °C	February 18
3	-28.5 °C	February 14
5	-27.5 °C	February 17
6	-26.5 °C	January 19
7	-25.5 °C	January 11
8	-25.0 °C	February 13
8	-25.0 °C	January 17
10	-24.5 °C	February 19
10	-24.5 °C	February 15
10	-24.5 °C	February 10
10	-24.5 °C	February 9

January 1979 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	6.5	-3.0	0.12	0.2
January 2	-7.5	-9.0	0.26	2.2
January 3	-11.0	-16.5	0.00	0.0
January 4	-9.0	-15.5	0.00	0.0
January 5	-8.5	-21.0	0.00	0.0
January 6	-7.5	-15.5	0.00	0.0
January 7	-6.0	-10.5	0.30	2.2
January 8	-6.0	-11.0	0.00	0.0
January 9	-8.5	-15.5	0.02	0.2
January 10	-14.0	-16.5	0.00	0.0
January 11	-15.5	-25.5	0.02	0.2
January 12	-13.5	-23.0	0.00	0.0
January 13	-1.5	-16.5	2.36	22.2
January 14	3.5	-10.0	0.06	0.6
January 15	-11.5	-19.0	0.12	1.0
January 16	-10.5	-15.5	0.00	0.0
January 17	-17.0	-25.0	0.38	6.4
January 18	-15.5	-20.0	0.00	0.0
January 19	-15.0	-26.5	0.00	0.0
January 20	-5.5	-19.0	0.12	3.0
January 21	-4.0	-12.0	1.46	14.6
January 22	-4.5	-7.5	0.02	0.2
January 23	-3.5	-18.5	0.00	0.0
January 24	0.5	-10.5	0.60	1.0
January 25	2.5	-3.0	1.52	13.0
January 26	4.0	0.5	0.00	0.0
January 27	4.0	1.0	0.10	0.0
January 28	3.0	1.0	0.18	3.2
January 29	-3.5	-5.0	0.38	6.6
January 30	-6.5	-8.0	0.10	1.4
January 31	-8.5	-9.0	0.84	9.4

February 1979 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	-9.5	-13.0	0.42	5.0
February 2	-9.5	-15.0	0.00	0.0
February 3	-11.5	-20.0	0.00	0.0
February 4	-11.0	-22.5	0.18	2.4
February 5	-11.5	-17.5	0.00	0.0
February 6	-17.0	-24.0	0.00	0.0
February 7	-12.5	-23.5	0.24	2.8
February 8	-10.5	-15.0	0.04	0.6
February 9	-19.0	-24.5	0.00	0.0
February 10	-18.0	-24.5	0.00	0.0
February 11	-21.5	-29.5	0.00	0.0
February 12	-14.5	-30.0	0.02	0.2
February 13	-19.5	-25.0	0.00	0.0
February 14	-19.5	-28.5	0.00	0.0
February 15	-16.0	-24.5	0.00	0.0
February 16	-15.0	-21.0	0.00	0.0
February 17	-19.5	-27.5	0.00	0.0
February 18	-13.0	-28.5	0.02	0.2
February 19	-9.5	-24.5	0.00	0.0
February 20	-2.5	-18.0	0.00	0.0
February 21	3.0	-10.5	0.16	1.4
February 22	1.5	-2.0	0.00	0.0
February 23	3.5	-8.0	0.06	0.0
February 24	5.5	-1.0	0.00	0.0
February 25	-3.0	-14.0	0.00	0.0
February 26	-1.0	-7.0	0.72	7.2
February 27	0.0	-4.0	0.06	0.6
February 28	6.5	-10.0	0.00	0.0

March 1979 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	-1.0	-4.0	0.16	0.6
March 2	0.5	-5.0	0.00	0.0
March 3	6.5	-0.5	0.06	0.0
March 4	3.5	-1.0	0.28	0.0
March 5	5.5	1.5	0.02	0.0
March 6	4.0	0.5	0.00	0.0
March 7	4.5	0.5	0.00	0.0
March 8	5.0	1.0	0.00	0.0
March 9	4.5	-4.5	0.26	0.6
March 10	3.5	0.5	0.02	0.2
March 11	-5.0	-7.0	0.00	0.0
March 12	-7.0	-9.0	0.06	0.2
March 13	7.0	-15.5	0.38	0.8
March 14	6.0	-2.0	0.16	1.4
March 15	-9.5	-17.5	0.00	0.0
March 16	-2.5	-14.5	0.00	0.0
March 17	2.5	-11.0	0.00	0.0
March 18	6.5	-7.5	0.00	0.0
March 19	7.5	-7.5	0.00	0.0
March 20	10.5	-4.0	0.00	0.0
March 21	11.0	-1.5	0.00	0.0
March 22	14.0	-2.5	0.00	0.0
March 23	14.0	-0.5	0.00	0.0
March 24	15.5	4.0	0.56	0.0
March 25	8.5	4.5	0.00	0.0
March 26	2.5	-2.0	0.02	0.2
March 27	-0.5	-12.5	0.00	0.0
March 28	5.5	-8.0	0.22	0.0
March 29	11.5	0.0	0.00	0.0
March 30	6.5	1.0	1.20	0.0
March 31	14.5	2.0	0.02	0.0

April 1979 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	4.5	0.0	0.46	0.0
April 2	9.0	1.5	2.14	0.0
April 3	7.0	3.5	0.00	0.0
April 4	6.0	-2.0	0.74	2.6
April 5	4.0	0.5	0.50	2.0
April 6	2.0	-3.5	0.20	2.6
April 7	2.0	-5.5	0.00	0.0
April 8	2.0	-7.0	0.00	0.0
April 9	4.5	-2.0	0.04	0.2
April 10	9.0	0.0	0.00	0.0
April 11	11.0	-3.0	0.00	0.0
April 12	13.5	1.0	0.00	0.0
April 13	13.5	1.5	1.10	0.0
April 14	6.5	3.5	0.24	0.0
April 15	9.5	3.0	0.54	0.0
April 16	6.5	2.0	0.00	0.0
April 17	12.0	2.5	0.00	0.0
April 18	11.0	1.5	0.00	0.0
April 19	14.5	1.0	0.00	0.0
April 20	16.0	-0.5	0.00	0.0
April 21	19.5	2.5	0.02	0.0
April 22	15.0	9.0	0.00	0.0
April 23	17.5	3.5	0.00	0.0
April 24	17.5	2.5	0.00	0.0
April 25	20.0	6.5	0.00	0.0
April 26	21.0	15.5	1.98	0.0
April 27	16.5	7.5	1.22	0.0
April 28	10.5	4.0	0.00	0.0
April 29	13.0	6.0	0.00	0.0
April 30	15.0	2.5	0.12	0.0

May 1979 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	9.5	4.0	0.30
May 2	14.0	1.5	0.00
May 3	12.0	4.5	1.22
May 4	11.0	7.5	0.00
May 5	9.5	1.5	0.00
May 6	14.0	0.5	0.00
May 7	16.0	3.0	0.00
May 8	29.0	7.5	0.00
May 9	31.5	15.5	0.00
May 10	23.0	15.5	0.00
May 11	23.0	13.5	0.00
May 12	21.5	12.5	2.00
May 13	17.5	12.0	0.00
May 14	20.0	8.5	0.00
May 15	19.5	8.0	0.26
May 16	13.5	5.5	0.06
May 17	19.0	1.5	0.00
May 18	23.5	5.5	0.00
May 19	24.5	12.5	0.32
May 20	24.0	14.5	0.98
May 21	18.0	11.5	1.36
May 22	16.0	4.5	0.00
May 23	15.0	8.0	0.00
May 24	16.0	8.0	0.00
May 25	13.5	9.0	0.86
May 26	15.0	7.5	1.00
May 27	20.0	9.0	0.32
May 28	18.5	10.5	0.04
May 29	18.0	11.0	0.78
May 30	16.5	11.5	0.62
May 31	23.0	9.5	0.00

June 1979 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	25.0	11.5	0.00
June 2	24.5	11.5	0.00
June 3	25.0	11.0	0.00
June 4	27.0	11.5	0.04
June 5	21.5	15.0	0.10
June 6	20.0	5.0	0.00
June 7	27.0	10.0	0.18
June 8	25.5	20.0	0.12
June 9	26.5	19.5	0.00
June 10	31.5	19.5	2.14
June 11	16.5	10.0	0.46
June 12	12.0	6.5	0.12
June 13	20.0	6.0	0.00
June 14	24.5	5.5	0.00
June 15	30.5	12.5	0.00
June 16	29.5	18.5	2.80
June 17	29.5	17.5	0.02
June 18	23.5	11.5	0.00
June 19	24.5	12.5	0.00
June 20	26.0	10.5	0.00
June 21	26.5	14.5	0.68
June 22	20.5	15.0	1.20
June 23	14.5	11.5	0.04
June 24	18.0	8.0	0.00
June 25	22.5	6.0	0.00
June 26	23.5	8.0	0.04
June 27	24.5	14.0	0.02
June 28	26.0	13.5	0.02
June 29	24.5	13.5	0.64
June 30	24.0	17.0	1.16

July 1979 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	24.5	16.5	2.66
July 2	23.0	15.5	0.60
July 3	23.0	12.5	0.00
July 4	23.0	7.0	0.02
July 5	22.0	11.5	0.02
July 6	21.5	13.0	0.00
July 7	26.5	11.5	0.00
July 8	28.0	14.0	0.00
July 9	28.5	16.0	0.00
July 10	28.0	17.5	0.02
July 11	25.5	18.5	0.02
July 12	31.0	15.5	0.00
July 13	32.0	18.5	0.00
July 14	32.5	19.0	0.00
July 15	31.5	19.5	0.06
July 16	30.0	20.5	0.00
July 17	24.5	16.0	0.00
July 18	26.0	14.0	0.00
July 19	28.5	12.0	0.00
July 20	29.0	14.5	0.00
July 21	30.5	14.5	0.00
July 22	32.5	16.5	0.02
July 23	30.0	19.0	0.00
July 24	32.0	17.5	0.00
July 25	30.5	20.5	0.58
July 26	25.5	21.5	0.22
July 27	27.0	15.0	0.00
July 28	26.0	15.5	0.02
July 29	28.0	17.0	0.00
July 30	29.5	14.0	0.02
July 31	28.5	20.5	0.62

August 1979 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	26.0	18.5	0.00
August 2	26.0	18.0	2.58
August 3	28.5	17.0	0.00
August 4	29.0	16.5	0.38
August 5	29.0	19.0	0.14
August 6	22.0	13.5	0.00
August 7	21.5	8.5	0.00
August 8	26.0	16.0	0.00
August 9	21.5	9.0	0.74
August 10	14.5	12.5	0.60
August 11	19.5	12.5	0.00
August 12	19.5	10.5	0.00
August 13	22.5	7.5	0.08
August 14	20.5	15.5	0.04
August 15	15.0	11.5	0.04
August 16	19.0	10.0	0.00
August 17	23.0	5.0	0.16
August 18	17.0	13.5	0.82
August 19	22.5	14.5	0.12
August 20	23.5	11.5	0.00
August 21	24.5	13.5	0.00
August 22	24.0	10.5	0.00
August 23	25.0	12.5	1.80
August 24	28.0	18.5	0.04
August 25	25.0	20.5	0.00
August 26	24.5	12.5	0.22
August 27	24.5	17.0	0.00
August 28	25.5	15.0	2.18
August 29	25.0	18.5	0.00
August 30	27.0	18.0	0.42
August 31	21.0	11.5	0.00

September 1979 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	28.5	13.5	0.00
September 2	26.0	18.5	0.10
September 3	22.5	18.5	0.00
September 4	21.0	9.5	0.00
September 5	27.0	9.5	0.10
September 6	22.5	19.0	0.90
September 7	16.5	10.0	0.02
September 8	14.5	6.0	0.00
September 9	15.5	2.0	0.00
September 10	19.5	10.0	0.42
September 11	15.0	6.0	0.00
September 12	19.0	6.0	0.00
September 13	24.0	9.5	2.26
September 14	17.0	14.5	3.04
September 15	17.5	9.0	0.02
September 16	19.5	9.0	0.00
September 17	24.5	10.0	0.00
September 18	24.0	12.5	1.20
September 19	11.0	4.0	0.00
September 20	14.0	0.0	0.02
September 21	18.0	12.0	0.66
September 22	14.0	6.5	0.00
September 23	15.0	3.5	0.00
September 24	18.5	1.0	0.00
September 25	20.5	7.5	0.00
September 26	19.0	8.5	0.00
September 27	23.0	3.5	0.00
September 28	19.0	11.5	0.00
September 29	22.0	10.5	0.02
September 30	21.5	11.5	0.00

October 1979 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
October 1	19.0	14.0	0.00	0.0
October 2	17.5	9.5	0.00	0.0
October 3	16.5	12.0	0.34	0.0
October 4	16.5	12.5	0.20	0.0
October 5	17.0	11.5	1.94	0.0
October 6	16.5	9.0	0.40	0.0
October 7	11.0	9.0	0.32	0.0
October 8	7.0	2.5	0.46	4.4
October 9	5.5	0.0	0.10	1.0
October 10	6.5	-1.5	0.12	1.2
October 11	4.5	-1.0	0.24	1.8
October 12	6.5	-0.5	1.88	0.0
October 13	8.0	3.5	0.10	0.0
October 14	6.0	1.0	0.00	0.0
October 15	8.0	1.0	0.04	0.0
October 16	8.0	-2.0	0.00	0.0
October 17	8.5	-2.0	0.04	0.0
October 18	11.0	2.0	0.00	0.0
October 19	15.5	-1.0	0.38	0.0
October 20	20.5	9.0	1.96	0.0
October 21	24.5	15.0	0.00	0.0
October 22	26.5	16.5	0.00	0.0
October 23	24.5	15.5	0.18	0.0
October 24	9.5	7.5	0.06	0.0
October 25	5.5	1.5	0.02	0.2
October 26	2.5	0.0	0.00	0.0
October 27	3.0	-2.0	0.10	1.0
October 28	2.5	-0.5	0.54	1.4
October 29	5.0	0.5	0.00	0.0
October 30	8.5	3.0	0.00	0.0
October 31	11.5	-1.0	0.00	0.0

November 1979 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	15.5	1.0	0.06	0.0
November 2	9.0	8.0	0.00	0.0
November 3	10.0	1.0	0.00	0.0
November 4	8.0	3.0	0.00	0.0
November 5	10.5	2.5	0.00	0.0
November 6	7.0	-0.5	0.42	0.0
November 7	7.0	4.5	0.00	0.0
November 8	5.5	0.0	0.10	0.0
November 9	5.5	-3.0	1.40	0.0
November 10	4.5	1.0	0.00	0.0
November 11	4.0	0.0	0.00	0.0
November 12	3.0	0.0	0.00	0.0
November 13	3.0	0.0	1.02	10.2
November 14	3.5	0.5	0.00	0.0
November 15	1.5	-6.5	0.52	5.2
November 16	3.5	-9.0	0.00	0.0
November 17	5.5	-4.0	0.00	0.0
November 18	4.0	1.0	0.00	0.0
November 19	0.5	-4.0	0.10	0.0
November 20	7.0	-0.5	0.00	0.0
November 21	6.0	3.0	0.40	0.0
November 22	7.5	2.5	1.26	0.0
November 23	10.0	5.0	0.02	0.0
November 24	13.0	5.0	0.28	0.0
November 25	8.5	-1.0	0.12	0.0
November 26	13.5	5.0	3.94	0.0
November 27	9.5	6.5	0.12	0.0
November 28	9.5	4.0	0.24	0.0
November 29	3.0	-1.0	0.14	1.4
November 30	-0.5	-5.0	0.06	0.6

December 1979 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	-1.5	-6.5	0.02	0.6
December 2	-4.5	-9.5	0.00	0.0
December 3	0.5	-9.5	0.00	0.0
December 4	3.5	-2.0	0.10	0.6
December 5	7.0	-5.0	0.16	1.4
December 6	6.5	2.0	0.42	0.0
December 7	4.5	0.0	0.10	0.2
December 8	-4.5	-9.0	0.10	1.0
December 9	-1.0	-11.0	0.30	10.0
December 10	-1.5	-13.5	0.14	1.4
December 11	8.0	-10.5	0.54	0.0
December 12	7.5	-1.5	0.18	0.0
December 13	-7.0	-11.5	0.00	0.0
December 14	-6.0	-15.0	0.00	0.0
December 15	2.0	-10.5	0.00	0.0
December 16	2.5	-0.5	0.58	4.0
December 17	-14.5	-20.5	0.06	1.6
December 18	-17.0	-21.0	0.00	0.0
December 19	-17.0	-21.0	0.00	0.0
December 20	-11.0	-19.5	0.00	0.0
December 21	-4.0	-13.5	0.00	0.0
December 22	0.5	-8.0	0.54	0.0
December 23	2.5	-0.5	1.14	0.0
December 24	3.0	0.5	1.88	0.0
December 25	3.0	2.0	1.42	9.2
December 26	0.0	-1.0	0.00	0.0
December 27	-2.0	-3.0	0.00	0.0
December 28	0.5	-7.0	0.00	0.0
December 29	3.5	-4.0	0.00	0.0
December 30	0.5	-2.5	0.00	0.0
December 31	-2.5	-11.5	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1889–2024	Ottawa CDA	location