Oshawa Weather in 2023

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

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2023 Oshawa Weather Extremes
Highest temperature	31.6 °C	June 2
Lowest temperature	-27.8 °C	February 4
Highest daily low	20.6 °C	June 2
Lowest daily high	-13.0 °C	February 3
Most daily precipitation	5.4 cm	June 12

What was the hottest temperature in Oshawa in 2023?

The highest temperature recorded in Oshawa, Ontario in 2023 was 31.6 °C which happened on June 2.

Highest Temperatures: All-Time By Year

Highest Temperatures in Oshawa in 2023

Rank	Temperature	Date
1	31.6 °C	Jun 2
2	30.5 °C	Sep 5
3	30.4 °C	Sep 6
3	30.4 °C	Jun 1
5	30.3 °C	Sep 4
6	30.1 °C	Jul 6
6	30.1 °C	Jul 5
8	30.0 °C	Jul 4
9	29.1 °C	Jul 27
9	29.1 °C	May 31

What was the coldest temperature in Oshawa in 2023?

The lowest temperature recorded in Oshawa, Ontario in 2023 was -27.8 °C which happened on Feb 4.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Oshawa in 2023

Rank	Temperature	Date
1	-27.8 °C	February 4
2	-26.0 °C	February 3
3	-20.6 °C	February 1
4	-17.5 °C	February 25
5	-16.8 °C	February 24
6	-15.6 °C	January 31
7	-14.1 °C	January 30
8	-13.3 °C	January 15
9	-13.0 °C	February 2
10	-12.7 °C	February 27

January 2023 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
January 1	4.4	1.6	n/a
January 2	4.6	-3.2	n/a
January 3	4.0	-1.5	n/a
January 4	3.1	1.6	n/a
January 5	3.6	1.7	n/a
January 6	4.5	1.5	n/a
January 7	2.2	-7.6	n/a
January 8	-2.3	-8.6	n/a
January 9	1.3	-2.4	n/a
January 10	0.2	-7.3	0.00
January 11	-0.2	-9.1	0.00
January 12	3.1	-0.7	0.00
January 13	-0.8	-9.2	0.00
January 14	-5.6	-9.9	0.00
January 15	-1.5	-13.3	0.00
January 16	0.4	-10.4	0.00
January 17	2.1	-1.4	0.00
January 18	3.8	-2.1	0.00
January 19	1.0	-0.9	0.00
January 20	0.7	-2.1	0.00
January 21	0.0	-2.3	n/a
January 22	1.7	-3.8	n/a
January 23	1.2	-3.7	n/a
January 24	2.2	-5.2	n/a
January 25	1.4	-5.0	n/a
January 26	-1.7	-7.6	n/a
January 27	1.2	-9.6	n/a
January 28	2.1	-3.6	n/a
January 29	0.8	-8.8	n/a
January 30	-2.5	-14.1	n/a
January 31	-5.3	-15.6	n/a

February 2023 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
February 1	-4.7	-20.6	n/a
February 2	1.6	-13.0	n/a
February 3	-13.0	-26.0	n/a
February 4	0.0	-27.8	n/a
February 5	4.4	-4.7	n/a
February 6	2.0	-2.6	n/a
February 7	6.8	-1.3	n/a
February 8	5.8	-3.4	n/a
February 9	5.6	-4.2	n/a
February 10	5.0	-3.1	n/a
February 11	1.0	-3.8	n/a
February 12	5.5	-6.6	n/a
February 13	7.9	-1.7	n/a
February 14	7.1	-5.2	n/a
February 15	13.6	3.8	n/a
February 16	6.0	-0.5	0.87
February 17	0.0	-9.5	0.35
February 18	0.8	-9.8	0.00
February 19	7.2	-2.9	0.00
February 20	4.9	-4.3	0.00
February 21	5.4	-4.5	0.12
February 22	-2.7	-8.4	0.56
February 23	-6.4	-8.2	0.02
February 24	-5.9	-16.8	0.00
February 25	-4.8	-17.5	0.00
February 26	2.2	-5.8	0.00
February 27	-1.7	-12.7	0.15
February 28	2.0	-7.1	0.09

March 2023 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
March 1	1.5	-6.7	0.00
March 2	3.0	-2.5	0.00
March 3	1.1	-7.2	1.33
March 4	3.8	-2.7	0.32
March 5	5.4	-4.4	0.02
March 6	4.0	-3.8	0.00
March 7	2.1	-3.8	0.00
March 8	2.5	-4.4	0.00
March 9	3.3	-5.0	0.00
March 10	0.1	-3.0	0.00
March 11	-0.3	-8.3	0.00
March 12	-0.1	-9.2	0.04
March 13	1.5	-3.0	0.02
March 14	-0.9	-6.8	0.00
March 15	3.5	-7.4	0.00
March 16	7.8	-4.3	0.27
March 17	6.6	0.7	0.99
March 18	1.8	-6.1	0.00
March 19	0.1	-8.6	0.00
March 20	5.1	-2.0	0.00
March 21	7.9	-1.5	0.00
March 22	5.8	-0.2	0.00
March 23	8.1	-2.6	0.93
March 24	4.9	-2.4	0.00
March 25	7.1	0.0	1.68
March 26	10.5	-2.0	0.00
March 27	5.1	-2.0	0.00
March 28	5.9	-3.4	0.00
March 29	7.6	-5.2	0.20
March 30	2.2	-8.8	0.00
March 31	4.6	-4.1	0.57

April 2023 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
April 1	n/a	n/a	n/a
April 2	n/a	n/a	n/a
April 3	n/a	n/a	n/a
April 4	n/a	n/a	n/a
April 5	n/a	n/a	n/a
April 6	n/a	n/a	n/a
April 7	n/a	n/a	n/a
April 8	n/a	n/a	n/a
April 9	n/a	n/a	n/a
April 10	n/a	n/a	n/a
April 11	n/a	n/a	n/a
April 12	n/a	n/a	n/a
April 13	n/a	n/a	n/a
April 14	n/a	n/a	n/a
April 15	n/a	n/a	n/a
April 16	n/a	n/a	n/a
April 17	n/a	n/a	n/a
April 18	n/a	n/a	n/a
April 19	n/a	n/a	n/a
April 20	n/a	n/a	n/a
April 21	n/a	n/a	n/a
April 22	12.5	5.1	1.12
April 23	9.0	2.3	0.00
April 24	8.1	0.9	0.63
April 25	9.3	1.2	0.00
April 26	9.0	0.9	0.00
April 27	12.2	-1.8	0.00
April 28	14.1	7.3	0.50
April 29	9.4	6.4	1.30
April 30	12.2	6.5	1.67

May 2023 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	9.5	5.4	0.12
May 2	7.3	4.1	0.21
May 3	9.6	3.9	0.32
May 4	11.4	4.6	0.00
May 5	14.1	3.0	0.00
May 6	18.1	2.3	0.00
May 7	19.5	6.4	0.51
May 8	19.4	8.2	0.00
May 9	15.0	5.6	0.00
May 10	19.8	6.1	0.00
May 11	23.5	6.3	0.00
May 12	26.4	9.4	0.00
May 13	23.5	9.8	0.00
May 14	16.7	6.5	0.00
May 15	23.1	5.2	0.00
May 16	24.3	3.9	0.00
May 17	11.6	-0.2	0.00
May 18	n/a	n/a	n/a
May 19	20.5	2.3	0.22
May 20	16.5	11.0	2.72
May 21	22.6	7.9	0.00
May 22	16.0	5.6	0.00
May 23	20.9	4.1	0.00
May 24	16.4	4.2	0.20
May 25	14.8	3.0	0.00
May 26	19.8	5.1	0.00
May 27	22.3	6.3	0.00
May 28	26.5	8.9	0.00
May 29	24.7	11.2	0.00
May 30	25.3	8.9	0.00
May 31	29.1	13.8	0.00

June 2023 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	30.4	15.3	0.00
June 2	31.6	20.6	0.00
June 3	23.0	12.1	0.00
June 4	20.5	9.1	0.00
June 5	22.1	9.2	0.00
June 6	22.7	12.2	0.00
June 7	20.7	8.0	0.00
June 8	17.7	10.1	0.00
June 9	21.0	10.3	0.00
June 10	24.3	10.5	0.00
June 11	21.8	15.4	0.33
June 12	18.2	13.1	5.35
June 13	19.5	8.7	0.00
June 14	20.3	11.3	0.02
June 15	21.7	13.5	0.00
June 16	22.2	13.5	0.78
June 17	24.7	12.0	0.00
June 18	23.3	12.4	0.00
June 19	24.9	11.7	0.00
June 20	25.8	14.5	0.00
June 21	26.3	14.8	0.00
June 22	24.5	16.2	0.00
June 23	24.4	17.2	0.33
June 24	26.2	19.4	5.22
June 25	27.1	17.6	0.00
June 26	24.6	18.8	1.31
June 27	22.6	16.5	0.76
June 28	22.4	13.9	0.00
June 29	24.2	12.6	0.00
June 30	25.3	17.5	0.00

July 2023 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	27.8	16.1	0.00
July 2	24.0	18.5	0.00
July 3	26.1	17.7	0.05
July 4	30.0	16.6	0.00
July 5	30.1	18.1	0.00
July 6	30.1	17.9	0.02
July 7	26.8	15.4	0.00
July 8	24.3	12.3	0.02
July 9	25.5	15.8	0.00
July 10	26.9	17.0	0.00
July 11	28.1	16.3	0.02
July 12	24.1	12.0	0.00
July 13	23.3	14.6	2.18
July 14	25.2	12.3	0.00
July 15	23.3	17.0	0.70
July 16	25.9	18.8	0.52
July 17	26.4	16.4	0.00
July 18	25.0	14.3	0.45
July 19	24.6	11.9	0.00
July 20	25.8	15.0	0.23
July 21	25.7	15.5	0.15
July 22	26.8	15.0	0.02
July 23	26.5	14.0	0.00
July 24	24.9	15.6	0.04
July 25	26.3	15.1	0.00
July 26	28.6	16.6	0.29
July 27	29.1	18.9	1.24
July 28	28.7	16.8	0.00
July 29	22.4	12.9	0.53
July 30	23.6	10.3	0.00
July 31	23.7	12.1	0.00

August 2023 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	23.7	12.3	0.00
August 2	23.8	11.7	0.10
August 3	27.4	16.5	1.19
August 4	26.6	14.8	0.00
August 5	24.5	15.1	0.00
August 6	24.4	11.9	1.06
August 7	25.4	18.2	0.66
August 8	23.2	14.1	0.02
August 9	27.5	11.6	0.00
August 10	24.3	15.3	0.68
August 11	23.9	14.1	0.00
August 12	25.5	17.3	0.17
August 13	24.4	14.6	0.00
August 14	23.5	13.8	0.00
August 15	24.5	18.1	0.04
August 16	26.3	16.7	0.00
August 17	25.0	15.8	0.10
August 18	18.8	13.5	0.00
August 19	24.9	11.7	0.00
August 20	25.9	12.8	0.00
August 21	23.8	14.7	0.00
August 22	23.8	13.3	0.00
August 23	21.7	16.2	0.04
August 24	n/a	n/a	n/a
August 25	25.2	15.6	0.02
August 26	23.3	11.6	0.94
August 27	20.9	10.1	0.00
August 28	22.5	10.6	0.00
August 29	23.7	10.3	0.02
August 30	20.6	8.6	0.00
August 31	21.3	7.1	0.00

September 2023 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	22.6	8.9	0.00
September 2	24.5	10.3	0.00
September 3	28.0	13.4	0.00
September 4	30.3	17.6	0.00
September 5	30.5	17.6	0.00
September 6	30.4	18.8	0.00
September 7	27.3	18.2	0.04
September 8	20.4	15.2	0.00
September 9	20.4	15.8	0.00
September 10	23.6	13.1	0.00
September 11	23.2	12.3	0.00
September 12	21.9	13.2	1.21
September 13	18.7	10.2	0.00
September 14	20.2	7.8	0.00
September 15	20.3	5.6	0.00
September 16	23.0	7.8	0.00
September 17	22.0	11.1	0.00
September 18	21.1	11.0	0.12
September 19	19.7	8.9	0.00
September 20	20.0	5.4	0.00
September 21	20.7	8.1	0.00
September 22	21.3	9.4	0.00
September 23	21.3	10.9	0.00
September 24	23.7	11.6	0.00
September 25	23.9	13.7	0.00
September 26	20.0	13.3	0.00
September 27	20.0	11.8	0.00
September 28	19.3	12.5	0.00
September 29	20.8	10.9	0.00
September 30	22.8	10.8	0.00

October 2023 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	26.2	12.8	0.00
October 2	24.5	13.3	0.00
October 3	27.3	12.7	0.00
October 4	27.3	13.7	0.00
October 5	24.3	15.0	1.77
October 6	21.5	11.5	0.75
October 7	15.6	7.8	0.08
October 8	11.1	6.1	0.13
October 9	10.8	7.0	0.02
October 10	12.4	6.5	0.27
October 11	13.8	2.9	0.00
October 12	15.2	2.5	0.00
October 13	15.2	2.5	0.00
October 14	14.5	7.7	0.00
October 15	10.3	6.9	0.00
October 16	12.7	8.2	0.00
October 17	15.3	5.0	0.00
October 18	14.4	7.8	0.00
October 19	15.8	4.4	0.00
October 20	14.5	8.2	0.84
October 21	12.4	6.2	0.00
October 22	10.5	0.8	0.00
October 23	11.5	-2.2	0.00
October 24	17.7	5.9	0.00
October 25	19.3	12.2	0.11
October 26	17.0	11.0	0.54
October 27	20.4	13.4	0.02
October 28	16.9	4.4	0.02
October 29	7.7	2.5	0.20
October 30	6.4	-2.7	0.28
October 31	5.5	-4.1	0.18

November 2023 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
November 1	5.2	-3.2	0.00
November 2	8.6	0.2	0.00
November 3	13.3	8.1	0.00
November 4	11.9	4.2	0.07
November 5	9.8	-1.7	0.00
November 6	11.0	4.8	0.51
November 7	11.4	-0.7	0.00
November 8	1.1	-6.6	1.25
November 9	10.4	1.1	0.28
November 10	10.7	-0.6	0.00
November 11	3.5	-4.6	0.00
November 12	4.5	-6.6	0.00
November 13	13.0	-1.3	0.00
November 14	8.2	-2.4	0.02
November 15	11.3	-3.0	0.00
November 16	11.3	-3.0	0.00
November 17	12.3	-1.2	0.06
November 18	6.7	-4.3	0.00
November 19	5.3	-5.5	0.00
November 20	0.6	-8.6	0.00
November 21	5.7	-2.2	1.55
November 22	6.7	-1.1	0.27
November 23	7.6	0.2	0.00
November 24	0.4	-4.6	0.00
November 25	2.7	-4.8	0.00
November 26	5.7	-3.9	0.46
November 27	3.7	-3.3	0.00
November 28	-0.2	-6.0	0.00
November 29	0.7	-4.3	0.00
November 30	9.2	-3.2	0.00

December 2023 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
December 1	8.9	0.3	0.64
December 2	3.3	1.1	0.18
December 3	2.8	0.8	0.54
December 4	2.2	-0.7	0.00
December 5	0.2	-1.6	0.00
December 6	0.3	-5.8	0.00
December 7	3.3	-3.3	0.39
December 8	6.0	-0.1	0.00
December 9	11.8	6.0	0.88
December 10	10.2	1.5	0.12
December 11	2.0	-0.1	0.00
December 12	5.3	-0.8	0.00
December 13	2.6	-4.4	0.00
December 14	4.9	-5.1	0.00
December 15	12.0	-3.7	0.00
December 16	7.0	0.1	0.00
December 17	7.4	5.3	1.59
December 18	6.3	-2.5	0.34
December 19	-2.4	-9.2	0.00
December 20	4.5	-6.7	0.00
December 21	1.1	-7.1	0.00
December 22	-0.3	-7.0	0.00
December 23	3.6	-0.8	0.63
December 24	4.4	1.2	0.00
December 25	8.9	2.1	0.00
December 26	9.7	4.2	0.00
December 27	8.1	6.1	1.58
December 28	7.7	5.9	0.20
December 29	6.7	2.5	n/a
December 30	2.5	-1.6	n/a
December 31	0.0	-2.8	n/a

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Weather Station Details

Years	Station	Coordinates
2010–2024	Oshawa	location
1970–2009	Oshawa WPCP	location
1882–1969	Oshawa	location