Ottawa Weather in 1981

Historical record of Ottawa, Ontario weather for the year 1981 based on NOAA data.

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1981 Ottawa Weather Extremes
Highest temperature	33.0 °C	July 8
Lowest temperature	-35.0 °C	January 4
Highest daily low	22.0 °C	July 9
Lowest daily high	-28.0 °C	January 3
Most daily precipitation	5.1 cm	August 4
Most daily snow	23.2 cm	January 6
Total annual precipitation	102.8 cm	-
Total annual snow	126.8 cm	-

What was the hottest temperature in Ottawa in 1981?

The highest temperature recorded in Ottawa, Ontario in 1981 was 33.0 °C which happened on July 8.

Highest Temperatures: All-Time By Year

Highest Temperatures in Ottawa in 1981

Rank	Temperature	Date
1	33.0 °C	Jul 8
2	31.0 °C	Jul 9
2	31.0 °C	Jul 6
2	31.0 °C	Jun 16
5	30.0 °C	Aug 4
5	30.0 °C	Jul 10
7	29.5 °C	Aug 2
7	29.5 °C	Jul 11
9	29.0 °C	Aug 1
9	29.0 °C	Jul 7

What was the coldest temperature in Ottawa in 1981?

The lowest temperature recorded in Ottawa, Ontario in 1981 was -35.0 °C which happened on Jan 4.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Ottawa in 1981

Rank	Temperature	Date
1	-35.0 °C	January 4
2	-34.0 °C	January 3
3	-30.0 °C	January 13
3	-30.0 °C	January 11
5	-29.0 °C	January 12
6	-27.0 °C	January 5
7	-25.5 °C	January 15
7	-25.5 °C	January 14
9	-25.0 °C	January 9
10	-24.5 °C	January 1

January 1981 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	-13.5	-24.5	0.24	4.8
January 2	-13.0	-20.5	0.10	0.8
January 3	-28.0	-34.0	0.00	0.0
January 4	-15.0	-35.0	0.00	0.0
January 5	-15.0	-27.0	0.08	1.4
January 6	-4.0	-19.5	1.78	23.2
January 7	-4.5	-15.0	0.08	0.4
January 8	-17.0	-23.0	0.00	0.0
January 9	-9.5	-25.0	0.18	4.8
January 10	-18.0	-20.0	0.00	0.0
January 11	-23.5	-30.0	0.00	0.0
January 12	-18.5	-29.0	0.00	0.0
January 13	-17.0	-30.0	0.00	0.0
January 14	-13.5	-25.5	0.00	0.0
January 15	-10.5	-25.5	0.00	0.0
January 16	-10.0	-22.0	0.06	0.4
January 17	-12.0	-16.5	0.00	0.0
January 18	0.0	-19.0	0.10	1.0
January 19	1.0	-5.5	0.00	0.0
January 20	-8.5	-13.0	0.00	0.0
January 21	-4.5	-23.0	0.00	0.0
January 22	-1.5	-10.0	0.12	0.8
January 23	-3.5	-5.5	0.00	0.0
January 24	-4.0	-15.0	0.00	0.0
January 25	-2.0	-18.0	0.30	0.0
January 26	7.0	-6.5	0.00	0.0
January 27	-3.0	-5.5	0.00	0.0
January 28	-8.0	-17.5	0.00	0.0
January 29	-6.5	-16.0	0.00	0.0
January 30	-13.0	-18.5	0.00	0.0
January 31	-3.0	-19.0	0.00	0.0

February 1981 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	3.0	-15.0	0.40	0.6
February 2	2.5	-4.0	0.60	2.0
February 3	-16.0	-21.0	0.02	0.2
February 4	-11.5	-21.0	0.08	0.8
February 5	-9.0	-23.5	0.00	0.0
February 6	-4.0	-14.0	0.14	1.4
February 7	0.0	-9.0	0.00	0.0
February 8	6.0	-4.5	0.00	0.0
February 9	-6.0	n/a	0.00	0.0
February 10	6.5	-12.0	1.86	12.0
February 11	8.5	-4.5	1.06	2.6
February 12	-13.0	-18.5	0.08	0.4
February 13	-6.5	-16.5	0.00	0.0
February 14	-1.5	-10.0	0.00	0.0
February 15	3.0	-9.5	0.00	0.0
February 16	6.5	-7.0	0.00	0.0
February 17	5.5	2.5	0.00	0.0
February 18	6.0	2.5	0.00	0.0
February 19	5.0	2.0	0.96	0.0
February 20	8.0	3.5	0.26	0.0
February 21	6.5	4.0	0.04	0.0
February 22	11.0	2.5	0.18	0.0
February 23	8.0	3.5	1.74	0.0
February 24	6.5	4.5	0.04	0.0
February 25	3.5	1.0	0.30	0.0
February 26	3.0	1.0	0.00	0.0
February 27	3.5	-4.5	0.00	0.0
February 28	2.5	-3.5	0.30	0.0

March 1981 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	2.5	0.0	0.00	0.0
March 2	3.5	-1.5	0.00	0.0
March 3	-3.5	-13.0	0.00	0.0
March 4	-3.0	-11.0	0.00	0.0
March 5	1.0	-5.0	0.00	0.0
March 6	1.5	-6.5	0.18	2.0
March 7	5.0	-1.5	0.00	0.0
March 8	5.0	1.0	0.00	0.0
March 9	4.5	0.0	0.00	0.0
March 10	3.5	-0.5	0.00	0.0
March 11	2.5	-2.0	0.00	0.0
March 12	2.0	-6.0	0.76	8.4
March 13	2.5	-2.5	0.00	0.0
March 14	-3.0	-12.5	0.00	0.0
March 15	5.5	-7.0	0.32	1.0
March 16	-5.5	-14.5	0.12	1.8
March 17	-3.0	-10.5	0.00	0.0
March 18	-6.0	-13.5	0.08	0.6
March 19	-5.5	-10.5	0.38	4.2
March 20	0.5	-9.5	0.06	0.6
March 21	5.0	-2.0	0.00	0.0
March 22	6.5	-0.5	0.00	0.0
March 23	9.0	-3.0	0.00	0.0
March 24	8.5	0.0	0.02	0.0
March 25	9.5	-0.5	0.00	0.0
March 26	12.0	-2.5	0.34	0.0
March 27	10.5	2.0	0.00	0.0
March 28	11.0	-2.5	0.00	0.0
March 29	20.5	5.5	0.40	0.0
March 30	12.5	8.0	0.96	0.0
March 31	7.5	5.0	0.00	0.0

April 1981 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	15.5	3.0	0.54	0.0
April 2	10.0	5.0	0.00	0.0
April 3	21.5	0.0	0.82	0.0
April 4	23.5	10.5	0.54	0.0
April 5	14.5	8.5	0.06	0.2
April 6	9.0	-3.0	0.00	0.0
April 7	15.0	0.0	0.00	0.0
April 8	21.0	-2.0	0.10	0.0
April 9	13.0	9.5	0.28	0.0
April 10	17.5	2.5	0.02	0.0
April 11	18.5	7.5	0.00	0.0
April 12	10.5	0.0	0.00	0.0
April 13	15.5	0.0	0.00	0.0
April 14	12.0	5.5	0.64	0.0
April 15	4.0	-6.5	0.00	0.0
April 16	15.5	-2.0	0.00	0.0
April 17	10.5	4.5	0.58	0.0
April 18	14.0	7.0	0.04	0.0
April 19	9.5	-2.0	0.06	0.6
April 20	2.0	-4.0	0.00	0.0
April 21	4.0	-7.5	0.00	0.0
April 22	9.0	-5.5	0.00	0.0
April 23	6.0	-0.5	0.60	0.0
April 24	6.5	2.0	0.38	0.0
April 25	10.0	3.5	0.04	0.0
April 26	14.5	4.0	0.00	0.0
April 27	16.5	4.5	0.00	0.0
April 28	17.5	6.5	0.86	0.0
April 29	11.5	7.0	0.14	0.0
April 30	13.0	4.5	0.00	0.0

May 1981 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	13.0	2.5	0.00
May 2	14.0	2.5	0.00
May 3	17.5	2.0	0.00
May 4	22.0	4.5	0.00
May 5	24.0	10.0	0.18
May 6	12.5	3.5	0.00
May 7	16.0	0.0	0.00
May 8	20.5	3.5	0.00
May 9	19.0	7.5	0.10
May 10	12.0	7.5	1.74
May 11	15.0	7.5	1.88
May 12	17.0	8.5	0.74
May 13	9.0	6.0	0.02
May 14	13.0	6.0	0.00
May 15	16.5	9.5	2.72
May 16	11.5	7.5	0.24
May 17	11.0	-0.5	0.00
May 18	13.5	0.5	0.00
May 19	18.5	3.0	0.00
May 20	20.5	3.5	0.00
May 21	24.0	9.0	0.00
May 22	23.5	8.5	0.00
May 23	23.5	9.0	0.00
May 24	28.5	9.5	0.08
May 25	20.5	15.5	0.18
May 26	25.0	13.0	2.14
May 27	19.5	13.5	3.52
May 28	19.5	14.5	0.10
May 29	25.0	16.5	0.60
May 30	22.0	15.0	0.12
May 31	18.5	11.5	0.00

June 1981 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	20.5	7.5	0.00
June 2	24.5	8.5	0.00
June 3	19.0	14.0	0.26
June 4	23.0	17.5	0.12
June 5	27.5	14.0	1.54
June 6	26.0	15.5	0.06
June 7	18.0	9.5	0.00
June 8	19.5	6.5	1.00
June 9	20.5	15.5	0.00
June 10	21.5	8.5	0.00
June 11	22.5	12.0	0.00
June 12	21.0	12.0	1.10
June 13	23.5	11.0	0.00
June 14	21.0	16.0	0.26
June 15	28.5	18.5	1.00
June 16	31.0	20.0	4.16
June 17	24.0	16.0	0.08
June 18	24.0	13.5	0.00
June 19	24.0	14.5	0.02
June 20	22.0	14.5	0.00
June 21	23.0	12.5	0.60
June 22	17.5	14.5	2.38
June 23	21.0	13.0	0.00
June 24	21.5	11.0	0.06
June 25	26.5	14.5	1.56
June 26	19.0	12.0	0.04
June 27	25.0	11.0	0.00
June 28	26.0	13.0	0.00
June 29	27.0	14.5	0.14
June 30	26.0	20.0	0.46

July 1981 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	21.0	15.0	0.40
July 2	28.0	16.0	0.98
July 3	28.0	16.0	0.00
July 4	26.5	18.0	0.80
July 5	27.0	18.0	0.00
July 6	31.0	18.5	0.00
July 7	29.0	20.0	0.00
July 8	33.0	20.5	0.00
July 9	31.0	22.0	0.78
July 10	30.0	17.0	0.00
July 11	29.5	18.5	0.00
July 12	28.5	17.5	0.00
July 13	28.0	19.5	0.74
July 14	20.0	15.0	0.00
July 15	26.5	14.5	0.00
July 16	26.5	14.5	0.00
July 17	28.0	14.5	2.32
July 18	24.5	17.0	0.00
July 19	26.5	15.0	0.06
July 20	25.0	18.0	0.28
July 21	22.0	19.5	0.00
July 22	21.5	11.5	0.00
July 23	22.0	10.0	0.00
July 24	24.5	9.5	0.00
July 25	24.5	13.5	0.00
July 26	26.0	17.5	0.22
July 27	22.5	12.0	0.00
July 28	17.0	11.5	0.58
July 29	21.5	12.0	0.00
July 30	26.5	10.0	0.00
July 31	28.5	12.0	0.00

August 1981 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	29.0	13.0	0.00
August 2	29.5	15.0	0.12
August 3	26.5	18.5	0.36
August 4	30.0	16.5	5.12
August 5	24.5	18.0	0.06
August 6	25.5	14.5	0.00
August 7	23.0	14.0	0.00
August 8	19.5	14.5	0.12
August 9	23.5	16.0	0.06
August 10	27.5	18.0	0.26
August 11	24.0	15.5	0.42
August 12	25.0	13.5	0.00
August 13	22.0	17.0	0.00
August 14	22.0	7.0	1.40
August 15	18.0	15.0	1.70
August 16	16.5	13.0	0.24
August 17	22.0	10.5	0.00
August 18	24.5	8.0	0.00
August 19	26.0	9.5	0.00
August 20	27.0	12.0	0.00
August 21	28.5	12.5	0.00
August 22	26.5	14.0	0.00
August 23	27.0	15.5	0.38
August 24	22.0	14.0	0.34
August 25	21.5	11.5	0.00
August 26	25.0	7.5	0.00
August 27	24.5	17.0	0.00
August 28	23.0	10.0	0.00
August 29	20.0	13.5	0.00
August 30	25.5	15.0	0.96
August 31	24.0	18.0	0.30

September 1981 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	25.0	18.0	0.12
September 2	20.5	19.0	0.32
September 3	21.0	17.0	0.00
September 4	22.0	17.0	0.92
September 5	21.5	16.0	0.02
September 6	24.5	15.5	0.00
September 7	21.5	12.5	0.40
September 8	24.0	17.5	4.12
September 9	14.0	7.0	1.34
September 10	15.5	7.0	1.20
September 11	14.5	11.5	0.66
September 12	21.5	9.5	0.00
September 13	25.5	12.0	0.00
September 14	20.5	14.5	0.02
September 15	17.5	7.5	0.00
September 16	17.0	6.0	0.00
September 17	17.0	6.0	0.22
September 18	16.5	10.5	0.00
September 19	18.0	5.0	0.22
September 20	10.0	7.0	0.00
September 21	13.5	4.0	0.04
September 22	10.0	7.5	1.00
September 23	15.0	6.0	1.82
September 24	15.5	7.0	0.00
September 25	18.5	8.5	0.00
September 26	18.5	7.5	1.18
September 27	23.0	14.0	0.10
September 28	11.0	8.0	0.02
September 29	10.5	4.0	0.00
September 30	10.0	-0.5	0.00

October 1981 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
October 1	5.5	-1.0	0.32	0.0
October 2	8.0	3.5	0.24	0.0
October 3	11.0	6.0	0.04	0.0
October 4	14.0	5.0	0.00	0.0
October 5	13.5	5.5	0.00	0.0
October 6	12.5	2.5	1.58	0.0
October 7	9.5	4.0	0.18	0.0
October 8	11.5	6.5	0.00	0.0
October 9	10.5	4.0	0.00	0.0
October 10	13.0	1.0	0.00	0.0
October 11	13.5	-0.5	0.00	0.0
October 12	10.0	-2.0	0.00	0.0
October 13	14.0	-3.5	0.00	0.0
October 14	18.5	-2.5	0.00	0.0
October 15	14.5	2.0	0.58	0.0
October 16	12.5	8.5	0.00	0.0
October 17	12.5	-1.5	0.32	0.0
October 18	12.0	2.5	0.72	0.0
October 19	6.0	2.0	0.08	1.0
October 20	13.0	-1.5	0.00	0.0
October 21	6.5	3.5	0.50	4.0
October 22	2.5	0.0	2.02	3.8
October 23	4.0	0.0	0.10	0.4
October 24	3.5	-1.5	0.00	0.0
October 25	10.5	-4.0	0.80	0.0
October 26	8.0	2.0	0.72	0.0
October 27	10.0	6.5	3.56	0.0
October 28	7.5	6.5	0.00	0.0
October 29	6.5	-2.0	0.00	0.0
October 30	10.0	-1.0	0.00	0.0
October 31	11.0	-0.5	0.00	0.0

November 1981 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	11.5	3.5	0.04	0.0
November 2	13.0	2.0	0.00	0.0
November 3	7.0	0.0	0.00	0.0
November 4	10.5	1.5	0.00	0.0
November 5	16.5	-1.0	1.04	0.0
November 6	11.5	7.0	0.92	4.0
November 7	4.5	-2.5	0.00	0.0
November 8	9.5	-4.5	0.02	0.0
November 9	1.5	-2.0	0.00	0.0
November 10	1.5	-6.5	0.10	1.0
November 11	4.0	-1.5	0.02	0.2
November 12	-1.0	-7.5	0.00	0.0
November 13	9.0	-5.0	0.00	0.0
November 14	9.5	-3.0	0.00	0.0
November 15	10.5	0.0	0.00	0.0
November 16	12.0	5.5	0.06	0.0
November 17	5.5	4.0	0.20	0.0
November 18	6.0	3.0	0.34	0.0
November 19	5.5	2.5	0.18	0.0
November 20	3.0	0.0	1.56	2.2
November 21	2.0	0.0	0.12	1.6
November 22	-1.0	-2.5	0.00	0.0
November 23	-1.5	-4.5	0.00	0.0
November 24	-0.5	-9.0	0.00	0.0
November 25	-2.5	-5.0	0.00	0.0
November 26	0.0	-7.0	0.80	0.0
November 27	5.5	-3.0	0.00	0.0
November 28	1.5	-0.5	0.00	0.0
November 29	0.5	-2.0	0.00	0.0
November 30	2.0	-8.0	0.00	0.0

December 1981 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	1.5	-7.0	0.10	0.0
December 2	7.0	-2.0	0.00	0.0
December 3	5.0	1.5	0.00	0.0
December 4	5.5	-1.0	0.00	0.0
December 5	0.5	-1.0	0.00	0.0
December 6	-2.0	-6.0	0.00	0.0
December 7	-0.5	-8.5	0.14	1.0
December 8	-2.5	-4.5	0.00	0.0
December 9	-2.0	-5.5	0.04	0.2
December 10	0.0	-8.0	0.40	2.6
December 11	1.5	-5.5	0.00	0.0
December 12	-2.0	-3.0	0.00	0.0
December 13	-1.5	-5.0	0.00	0.0
December 14	2.0	-4.0	0.16	3.8
December 15	1.0	-0.5	0.00	0.0
December 16	-0.5	-3.0	0.00	0.0
December 17	-6.5	-12.0	0.00	0.0
December 18	-6.5	-10.0	0.00	0.0
December 19	-9.0	-17.0	0.02	0.0
December 20	-10.0	-12.5	0.00	0.0
December 21	0.0	-15.0	0.08	0.8
December 22	0.5	-3.5	0.18	2.0
December 23	2.0	-1.5	0.88	8.0
December 24	1.0	-2.5	0.00	0.0
December 25	-2.5	-5.5	0.00	0.0
December 26	-3.0	-7.0	0.00	0.0
December 27	-3.0	-12.0	0.32	5.4
December 28	1.5	-6.5	0.32	3.4
December 29	-1.5	-5.0	0.00	0.0
December 30	-5.5	-18.5	0.02	0.4
December 31	1.0	-14.5	0.62	4.0

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Weather Station Details

Years	Station	Coordinates
1889–2024	Ottawa CDA	location