Ottawa Weather in 2023

Historical record of Ottawa, Ontario weather for the year 2023 based on NOAA data.

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2023 Ottawa Weather Extremes
Highest temperature	34.5 °C	June 1
Lowest temperature	-33.0 °C	February 4
Highest daily low	21.5 °C	September 7
Lowest daily high	-25.0 °C	February 3
Most daily precipitation	5.8 cm	June 26
Most daily snow	17.0 cm	January 25
Total annual precipitation	100.4 cm	-
Total annual snow	207.0 cm	-

What was the hottest temperature in Ottawa in 2023?

The highest temperature recorded in Ottawa, Ontario in 2023 was 34.5 °C which happened on June 1.

Highest Temperatures: All-Time By Year

Highest Temperatures in Ottawa in 2023

Rank	Temperature	Date
1	34.5 °C	Jun 1
2	34.0 °C	Sep 8
3	33.0 °C	Jul 6
3	33.0 °C	Jul 5
5	32.5 °C	Sep 6
5	32.5 °C	Sep 5
7	32.0 °C	Jun 2
7	32.0 °C	May 31
9	31.5 °C	Sep 7
9	31.5 °C	Jul 11

What was the coldest temperature in Ottawa in 2023?

The lowest temperature recorded in Ottawa, Ontario in 2023 was -33.0 °C which happened on Feb 4.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Ottawa in 2023

Rank	Temperature	Date
1	-33.0 °C	February 4
2	-28.0 °C	February 3
3	-24.0 °C	February 25
3	-24.0 °C	February 1
5	-21.0 °C	February 5
6	-20.0 °C	January 31
7	-19.5 °C	January 16
8	-18.5 °C	February 26
9	-18.0 °C	January 15
10	-17.0 °C	February 24
10	-17.0 °C	February 18
10	-17.0 °C	February 7

January 2023 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
January 1	3.0	1.5	0.00	0.0
January 2	5.0	0.5	0.00	0.0
January 3	3.0	0.0	0.00	0.0
January 4	3.0	1.0	0.46	0.0
January 5	-1.0	-3.0	0.08	1.0
January 6	2.0	-3.0	0.18	2.0
January 7	-6.0	-7.5	0.08	1.0
January 8	-3.0	-13.5	0.00	0.0
January 9	0.0	-7.0	0.14	1.0
January 10	-6.5	-9.5	0.00	0.0
January 11	-6.0	-14.0	0.16	2.0
January 12	0.0	-9.0	1.24	14.0
January 13	-3.0	-5.0	0.96	9.0
January 14	-7.0	-13.5	0.00	0.0
January 15	-6.0	-18.0	0.12	2.0
January 16	-1.0	-19.5	0.00	0.0
January 17	-1.5	-15.0	0.50	6.0
January 18	2.0	-4.0	0.26	1.0
January 19	1.0	-7.0	0.52	5.0
January 20	0.0	-4.0	0.12	2.0
January 21	-1.5	-8.0	0.00	0.0
January 22	0.0	-3.5	0.20	2.0
January 23	0.5	-2.5	0.00	0.0
January 24	2.0	-2.0	0.18	0.0
January 25	-4.0	-11.0	1.36	17.0
January 26	-3.0	-10.0	0.14	2.0
January 27	1.0	-12.0	0.04	1.0
January 28	1.0	-6.5	0.08	1.0
January 29	-5.0	-8.5	0.68	6.0
January 30	-7.0	-16.5	0.28	5.0
January 31	-7.5	-20.0	0.06	1.0

February 2023 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
February 1	-5.0	-24.0	0.00	0.0
February 2	-1.0	-8.5	0.00	0.0
February 3	-25.0	-28.0	0.00	0.0
February 4	-7.0	-33.0	0.12	2.0
February 5	-4.0	-21.0	0.12	3.0
February 6	-3.0	-9.0	0.00	0.0
February 7	2.0	-17.0	0.56	5.0
February 8	5.0	-8.0	0.00	0.0
February 9	5.0	-10.0	1.50	0.0
February 10	3.5	-1.0	0.32	3.0
February 11	0.0	-8.5	0.00	0.0
February 12	6.5	-5.5	0.00	0.0
February 13	5.0	-5.5	0.00	0.0
February 14	7.5	-3.0	0.00	0.0
February 15	10.0	-2.0	0.22	0.0
February 16	2.0	0.0	1.32	14.0
February 17	-3.0	-10.0	0.10	2.0
February 18	0.0	-17.0	0.00	0.0
February 19	6.0	-3.0	0.00	0.0
February 20	5.0	0.0	0.00	0.0
February 21	-6.0	-13.5	0.24	3.0
February 22	-6.0	-13.5	0.28	3.0
February 23	-8.5	-12.0	0.30	4.0
February 24	-11.0	-17.0	0.00	0.0
February 25	-12.0	-24.0	0.46	6.0
February 26	-2.0	-18.5	0.20	2.0
February 27	-2.0	-15.0	0.40	5.0
February 28	0.0	-7.5	0.46	6.0

March 2023 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
March 1	3.0	-11.0	1.10	2.0
March 2	3.0	-2.0	0.12	2.0
March 3	-1.0	-15.0	1.18	15.0
March 4	1.0	-7.0	0.28	3.0
March 5	6.0	-4.0	0.00	0.0
March 6	5.0	-4.0	0.00	0.0
March 7	-2.0	-6.5	0.00	0.0
March 8	3.0	-7.0	0.00	0.0
March 9	3.0	-6.0	0.00	0.0
March 10	0.0	-5.0	0.00	0.0
March 11	3.5	-6.5	0.00	0.0
March 12	4.0	-10.5	0.06	2.0
March 13	2.0	-2.0	0.48	5.0
March 14	3.0	-2.0	0.58	0.0
March 15	5.0	-6.0	0.00	0.0
March 16	n/a	-1.0	n/a	n/a
March 17	n/a	n/a	n/a	n/a
March 18	n/a	n/a	n/a	n/a
March 19	n/a	n/a	n/a	n/a
March 20	n/a	n/a	n/a	n/a
March 21	n/a	n/a	n/a	n/a
March 22	n/a	n/a	n/a	n/a
March 23	n/a	n/a	n/a	n/a
March 24	n/a	n/a	n/a	n/a
March 25	n/a	n/a	n/a	n/a
March 26	n/a	n/a	n/a	n/a
March 27	n/a	n/a	n/a	n/a
March 28	n/a	n/a	n/a	n/a
March 29	n/a	n/a	n/a	n/a
March 30	n/a	n/a	n/a	n/a
March 31	n/a	n/a	n/a	n/a

April 2023 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
April 1	n/a	n/a	n/a	n/a
April 2	n/a	n/a	n/a	n/a
April 3	n/a	n/a	n/a	n/a
April 4	n/a	n/a	n/a	n/a
April 5	n/a	n/a	n/a	n/a
April 6	n/a	n/a	n/a	n/a
April 7	3.5	-1.5	0.00	0.0
April 8	6.5	-6.5	0.00	0.0
April 9	11.0	-4.5	0.00	0.0
April 10	19.5	-1.5	0.00	0.0
April 11	21.0	7.0	0.00	0.0
April 12	19.5	7.0	0.00	0.0
April 13	30.0	5.5	0.00	0.0
April 14	22.0	12.0	0.00	0.0
April 15	25.0	8.5	0.00	0.0
April 16	26.0	9.0	0.12	0.0
April 17	12.0	8.0	0.78	0.0
April 18	8.0	3.5	0.10	0.0
April 19	6.0	1.0	0.00	0.0
April 20	11.0	0.0	0.00	0.0
April 21	16.0	3.0	0.10	0.0
April 22	26.0	9.0	0.48	0.0
April 23	12.5	8.0	0.06	0.0
April 24	9.5	5.0	0.36	0.0
April 25	10.5	2.5	0.08	0.0
April 26	9.5	0.5	0.06	0.0
April 27	13.0	3.5	0.00	0.0
April 28	19.0	4.0	0.00	0.0
April 29	13.5	8.0	1.06	0.0
April 30	13.0	7.0	4.10	0.0

May 2023 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	11.0	6.5	0.76
May 2	12.0	5.0	1.24
May 3	11.0	7.0	0.44
May 4	11.5	6.0	0.00
May 5	18.5	5.0	0.00
May 6	22.0	6.5	0.00
May 7	22.0	9.0	0.00
May 8	17.5	9.0	0.00
May 9	18.0	6.0	0.00
May 10	23.0	4.0	0.00
May 11	26.5	11.0	0.00
May 12	26.5	14.0	0.04
May 13	20.5	7.0	0.00
May 14	18.5	4.5	0.00
May 15	24.0	7.0	0.00
May 16	19.0	6.0	0.06
May 17	11.0	1.0	0.00
May 18	16.5	-0.5	0.00
May 19	22.0	4.0	0.00
May 20	17.0	15.0	1.76
May 21	22.0	11.0	0.04
May 22	18.0	5.0	0.00
May 23	24.0	4.0	0.72
May 24	13.0	7.0	0.10
May 25	18.0	4.0	0.00
May 26	22.0	4.0	0.00
May 27	28.0	8.0	0.00
May 28	30.0	13.5	0.00
May 29	25.0	15.5	0.00
May 30	28.0	11.0	0.00
May 31	32.0	12.0	0.00

June 2023 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	34.5	16.5	0.00
June 2	32.0	19.5	0.00
June 3	23.0	14.0	0.00
June 4	24.0	8.0	0.00
June 5	22.0	10.0	0.00
June 6	22.0	13.5	0.60
June 7	16.0	11.0	0.00
June 8	18.0	12.0	0.06
June 9	19.5	10.0	0.10
June 10	24.0	9.0	0.00
June 11	24.0	11.5	0.10
June 12	28.0	17.0	1.22
June 13	22.5	15.5	0.00
June 14	20.0	9.0	0.20
June 15	27.0	16.0	0.00
June 16	25.0	17.0	0.00
June 17	21.0	13.5	0.00
June 18	24.0	15.0	0.12
June 19	23.0	14.0	0.00
June 20	28.5	12.0	0.00
June 21	28.0	16.0	0.00
June 22	30.0	15.0	0.00
June 23	31.0	15.0	2.10
June 24	29.0	19.5	0.04
June 25	27.0	18.0	0.00
June 26	28.5	19.0	5.80
June 27	27.0	19.0	0.94
June 28	21.0	15.0	0.00
June 29	27.0	17.0	0.00
June 30	26.0	14.5	0.18

July 2023 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	28.0	18.5	2.56
July 2	28.0	19.0	0.00
July 3	29.0	19.0	0.00
July 4	31.0	18.0	0.00
July 5	33.0	18.0	0.00
July 6	33.0	21.0	0.34
July 7	29.5	20.5	0.00
July 8	27.5	20.5	0.00
July 9	28.0	18.5	0.20
July 10	29.0	20.0	0.00
July 11	31.5	18.0	1.06
July 12	26.5	15.5	0.22
July 13	26.0	16.5	2.22
July 14	26.0	14.0	0.00
July 15	27.0	14.0	2.22
July 16	28.0	19.5	0.00
July 17	28.0	19.0	0.00
July 18	28.0	17.0	1.74
July 19	26.0	15.0	0.00
July 20	27.5	16.0	2.56
July 21	23.5	18.0	0.92
July 22	26.0	16.5	0.00
July 23	29.0	12.0	0.00
July 24	29.0	17.0	0.24
July 25	28.0	16.0	0.00
July 26	29.0	17.0	0.86
July 27	29.0	18.0	0.00
July 28	28.0	20.0	3.00
July 29	19.0	16.5	0.00
July 30	25.0	12.0	0.28
July 31	22.0	13.0	0.00

August 2023 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	23.0	9.0	0.00
August 2	26.0	9.0	0.98
August 3	27.0	16.0	1.28
August 4	26.0	15.0	0.32
August 5	28.0	13.0	0.00
August 6	27.5	13.5	0.08
August 7	21.0	12.0	2.41
August 8	23.0	18.0	0.06
August 9	28.0	16.5	0.00
August 10	23.5	15.5	3.82
August 11	23.0	15.0	0.00
August 12	24.0	14.0	1.10
August 13	24.0	18.0	0.06
August 14	23.5	15.0	0.00
August 15	24.5	14.0	0.00
August 16	29.0	16.0	0.00
August 17	27.0	16.0	0.84
August 18	23.0	18.0	0.22
August 19	24.0	13.0	0.00
August 20	27.5	14.5	0.00
August 21	22.5	15.0	0.00
August 22	26.5	11.0	0.00
August 23	26.5	14.5	0.00
August 24	24.5	14.5	0.44
August 25	23.5	16.0	0.00
August 26	20.0	17.5	0.00
August 27	24.0	13.0	0.00
August 28	25.0	10.0	0.00
August 29	26.0	9.5	0.40
August 30	21.0	15.5	0.26
August 31	22.5	7.5	0.00

September 2023 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	24.5	8.0	0.00
September 2	24.5	12.5	0.00
September 3	30.0	15.5	0.00
September 4	30.5	18.0	0.00
September 5	32.5	17.0	0.00
September 6	32.5	19.0	0.00
September 7	31.5	21.5	0.00
September 8	34.0	12.0	0.00
September 9	23.5	10.5	0.00
September 10	24.0	14.0	0.00
September 11	30.0	11.0	0.00
September 12	25.5	12.0	0.40
September 13	23.0	16.5	0.00
September 14	26.5	11.5	0.00
September 15	26.0	5.5	0.00
September 16	23.5	6.5	0.00
September 17	24.5	12.5	0.00
September 18	30.0	14.0	4.80
September 19	20.0	14.0	0.00
September 20	19.5	8.0	0.00
September 21	25.0	5.0	0.06
September 22	24.0	5.5	0.00
September 23	23.0	7.0	0.00
September 24	25.5	8.5	0.00
September 25	26.0	12.0	0.00
September 26	20.0	10.0	0.00
September 27	21.0	4.5	0.00
September 28	23.0	4.5	0.00
September 29	22.0	9.5	0.00
September 30	25.0	10.5	0.00

October 2023 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	26.0	11.5	0.00
October 2	25.5	8.5	0.00
October 3	31.0	15.0	0.00
October 4	30.0	12.0	0.00
October 5	27.5	16.0	0.00
October 6	22.0	18.5	3.56
October 7	17.0	12.0	0.42
October 8	14.5	8.0	0.58
October 9	11.5	4.5	0.46
October 10	13.0	6.6	0.42
October 11	15.0	7.5	0.08
October 12	13.0	7.0	0.00
October 13	16.0	5.5	0.00
October 14	15.0	7.0	0.00
October 15	12.5	6.0	0.06
October 16	15.0	10.0	0.00
October 17	15.5	2.5	0.00
October 18	15.5	3.0	0.00
October 19	17.0	9.5	0.00
October 20	19.5	10.0	0.94
October 21	14.0	10.0	0.66
October 22	6.5	4.0	0.98
October 23	11.0	1.0	0.06
October 24	13.0	3.0	0.42
October 25	18.5	8.0	0.12
October 26	18.0	15.5	0.86
October 27	21.0	8.0	0.14
October 28	15.0	11.0	0.00
October 29	6.0	2.0	0.30
October 30	6.0	-1.0	0.54
October 31	5.0	-3.0	0.00

November 2023 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
November 1	2.0	-2.0	0.00	0.0
November 2	8.0	-3.0	0.30	0.0
November 3	12.5	4.0	0.08	0.0
November 4	10.0	3.0	0.00	0.0
November 5	8.5	0.0	0.00	0.0
November 6	12.0	-3.0	0.82	0.0
November 7	11.0	1.5	0.04	0.0
November 8	4.0	-3.0	0.28	3.0
November 9	5.0	-2.0	0.00	0.0
November 10	8.0	-1.0	0.08	0.0
November 11	2.5	-3.0	0.00	0.0
November 12	3.5	-4.5	0.00	0.0
November 13	2.0	-6.0	0.34	0.0
November 14	5.0	-2.0	0.00	0.0
November 15	9.0	-1.0	0.00	0.0
November 16	13.0	-1.0	0.00	0.0
November 17	15.0	3.0	0.20	3.0
November 18	5.5	-2.0	0.00	0.0
November 19	5.0	0.0	0.10	2.0
November 20	1.0	-6.0	0.00	0.0
November 21	1.0	-7.0	1.10	6.0
November 22	3.5	-1.5	0.00	0.0
November 23	5.0	0.0	0.00	0.0
November 24	-3.0	-8.0	0.00	0.0
November 25	4.0	-10.0	0.00	0.0
November 26	5.5	-3.0	0.12	0.0
November 27	6.0	1.0	0.00	0.0
November 28	-4.0	-6.0	0.00	0.0
November 29	1.5	-8.0	0.00	0.0
November 30	8.0	-1.0	0.00	0.0

December 2023 Ottawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)	Snow (cm)
December 1	8.0	3.0	0.28	4.0
December 2	2.0	-1.5	0.08	0.0
December 3	0.5	-1.0	1.96	16.0
December 4	1.0	-2.0	0.10	2.0
December 5	-2.0	-4.0	0.00	0.0
December 6	-9.0	-13.0	0.00	0.0
December 7	-6.0	-16.5	0.10	1.0
December 8	-3.5	-9.0	0.00	0.0
December 9	2.0	-6.0	0.64	0.0
December 10	5.5	-0.5	0.20	0.0
December 11	1.5	-2.0	0.14	0.0
December 12	3.0	-8.0	0.20	0.0
December 13	-1.0	-3.0	0.00	0.0
December 14	2.5	-10.0	0.00	0.0
December 15	9.0	-1.0	0.00	0.0
December 16	4.0	-2.0	0.00	0.0
December 17	6.0	-1.5	2.58	0.0
December 18	6.5	2.5	0.66	2.0
December 19	-3.0	-5.0	0.00	0.0
December 20	0.0	-9.0	0.00	0.0
December 21	-4.5	-10.0	0.00	0.0
December 22	-3.5	-11.0	0.00	0.0
December 23	0.0	-9.0	0.00	0.0
December 24	1.5	-3.0	0.00	0.0
December 25	3.0	0.5	0.00	0.0
December 26	7.5	0.5	0.04	0.0
December 27	5.0	3.0	0.32	0.0
December 28	5.5	3.0	0.62	0.0
December 29	5.0	2.5	0.32	0.0
December 30	-1.0	-4.0	0.00	0.0
December 31	-4.5	-6.0	0.00	0.0

Next Year >

Weather Station Details

Years	Station	Coordinates
1889–2024	Ottawa CDA	location