Oshawa Weather in 2018

Historical record of Oshawa, Ontario weather for the year 2018 based on NOAA data.

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2018 Oshawa Weather Extremes
Highest temperature	32.5 °C	August 6
Lowest temperature	-26.7 °C	January 6
Highest daily low	21.7 °C	August 28
Lowest daily high	-17.4 °C	January 6
Most daily precipitation	3.8 cm	August 8
Total annual precipitation	78.6 cm	-

What was the hottest temperature in Oshawa in 2018?

The highest temperature recorded in Oshawa, Ontario in 2018 was 32.5 °C which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Oshawa in 2018

Rank	Temperature	Date
1	32.5 °C	Aug 6
1	32.5 °C	Jul 1
3	32.2 °C	Jul 5
3	32.2 °C	Jun 30
5	31.9 °C	Aug 15
5	31.9 °C	Jul 4
7	31.7 °C	Sep 5
8	31.4 °C	Aug 28
9	31.3 °C	Jul 2
10	31.2 °C	Jun 18

What was the coldest temperature in Oshawa in 2018?

The lowest temperature recorded in Oshawa, Ontario in 2018 was -26.7 °C which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Oshawa in 2018

Rank	Temperature	Date
1	-26.7 °C	January 6
1	-26.7 °C	January 1
3	-26.0 °C	January 7
4	-24.6 °C	January 5
5	-21.9 °C	January 4
6	-19.6 °C	February 13
7	-19.5 °C	February 8
8	-19.3 °C	January 2
9	-19.0 °C	January 31
10	-18.6 °C	January 14

January 2018 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
January 1	-8.7	-26.7	0.00
January 2	-6.9	-19.3	0.00
January 3	-5.7	-12.5	0.00
January 4	-8.4	-21.9	0.00
January 5	-17.0	-24.6	0.00
January 6	-17.4	-26.7	0.00
January 7	-2.6	-26.0	0.00
January 8	2.1	-2.6	0.54
January 9	0.8	-2.7	0.00
January 10	3.1	-7.0	0.11
January 11	9.3	2.1	1.15
January 12	10.5	-11.8	1.43
January 13	-11.7	-17.3	0.00
January 14	-6.6	-18.6	0.00
January 15	-8.1	-12.2	0.00
January 16	-3.3	-10.2	0.00
January 17	-5.2	-15.2	0.00
January 18	-4.2	-9.0	0.00
January 19	2.8	-9.1	0.00
January 20	5.0	-1.1	0.00
January 21	3.4	-2.7	0.00
January 22	2.3	0.2	0.66
January 23	6.7	-6.2	0.35
January 24	-6.2	-12.6	0.00
January 25	-4.6	-11.6	0.00
January 26	2.1	-5.2	0.00
January 27	6.7	-2.6	0.05
January 28	4.4	-4.8	0.00
January 29	-1.3	-8.0	0.04
January 30	-8.0	-17.8	0.02
January 31	1.2	-19.0	0.20

February 2018 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
February 1	4.4	-10.4	0.00
February 2	-9.4	-17.2	0.00
February 3	-1.0	-9.9	n/a
February 4	1.3	-10.7	0.35
February 5	-7.3	-16.2	0.00
February 6	-3.9	-14.0	0.00
February 7	-5.3	-16.2	0.60
February 8	-5.8	-19.5	0.00
February 9	-4.4	-17.2	0.20
February 10	-3.8	-6.4	0.32
February 11	-1.4	-6.5	0.14
February 12	-2.7	-17.5	0.00
February 13	-3.2	-19.6	0.00
February 14	3.8	-6.4	0.00
February 15	7.0	1.3	0.00
February 16	3.2	-9.6	0.00
February 17	-0.8	-13.0	0.00
February 18	3.4	-4.0	0.00
February 19	5.1	-2.3	0.90
February 20	10.7	3.4	0.85
February 21	7.0	-2.3	0.49
February 22	1.8	-3.0	0.00
February 23	4.6	-3.4	0.38
February 24	4.9	0.1	0.00
February 25	10.6	0.3	0.50
February 26	7.2	-3.6	0.00
February 27	11.2	-4.8	0.00
February 28	12.9	-1.0	0.00

March 2018 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
March 1	5.0	-2.7	0.04
March 2	2.1	-1.4	0.07
March 3	4.9	-3.1	0.00
March 4	1.6	-4.7	0.00
March 5	1.8	-6.6	0.00
March 6	2.0	-1.7	0.00
March 7	4.7	-0.4	0.07
March 8	0.3	-2.9	0.00
March 9	4.0	-2.9	0.00
March 10	2.1	-4.2	0.00
March 11	2.6	-6.4	0.00
March 12	-0.2	-6.3	0.00
March 13	3.3	-3.4	0.00
March 14	1.8	-3.5	0.00
March 15	5.0	-5.8	0.00
March 16	-1.3	-8.0	0.00
March 17	4.2	-7.2	0.00
March 18	4.4	-6.3	0.00
March 19	-0.8	-8.8	0.00
March 20	2.4	-7.2	0.00
March 21	6.2	-4.8	0.00
March 22	4.9	-4.4	0.00
March 23	4.8	-4.6	0.00
March 24	2.7	-5.8	0.00
March 25	3.0	-7.9	0.00
March 26	7.8	-2.8	0.00
March 27	4.4	1.9	0.38
March 28	7.8	1.6	0.00
March 29	6.7	3.2	1.44
March 30	5.5	-3.2	0.00
March 31	7.2	-4.0	0.32

April 2018 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
April 1	3.2	-3.3	0.00
April 2	5.5	-4.6	0.00
April 3	5.1	0.5	1.54
April 4	5.8	-4.7	0.45
April 5	1.4	-9.1	0.00
April 6	3.8	-2.7	0.09
April 7	0.8	-4.9	0.00
April 8	1.4	-5.8	0.00
April 9	2.7	-6.4	0.00
April 10	4.0	-3.8	0.02
April 11	4.6	-3.8	0.10
April 12	10.7	-4.4	0.34
April 13	5.9	2.1	0.97
April 14	3.4	-4.4	1.82
April 15	0.8	-3.5	2.10
April 16	2.6	0.2	2.72
April 17	1.3	-1.0	0.02
April 18	4.4	-0.4	0.00
April 19	3.3	-1.0	0.00
April 20	7.3	-2.0	0.00
April 21	13.7	-1.3	0.00
April 22	14.4	0.2	0.00
April 23	18.3	-2.1	0.00
April 24	15.9	3.2	0.19
April 25	11.1	4.0	2.22
April 26	14.4	2.7	0.10
April 27	13.7	-0.5	0.00
April 28	7.9	1.4	0.08
April 29	10.1	0.7	0.00
April 30	18.2	2.2	0.00

May 2018 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
May 1	22.3	0.9	0.00
May 2	n/a	7.5	0.00
May 3	21.8	9.0	0.35
May 4	20.2	6.6	0.76
May 5	21.6	2.6	0.00
May 6	18.3	8.2	0.00
May 7	16.2	4.6	0.00
May 8	19.4	1.9	0.00
May 9	24.2	6.0	0.00
May 10	20.4	5.4	0.54
May 11	10.6	3.5	0.00
May 12	14.8	2.9	0.00
May 13	18.5	4.4	0.00
May 14	20.5	4.9	0.00
May 15	21.0	10.3	2.18
May 16	20.4	8.4	0.00
May 17	24.1	9.5	0.00
May 18	18.0	8.7	0.00
May 19	16.3	10.5	0.72
May 20	20.6	6.0	0.00
May 21	20.7	6.2	0.00
May 22	16.7	11.4	0.14
May 23	25.4	10.6	0.00
May 24	n/a	n/a	n/a
May 25	27.1	11.7	0.00
May 26	26.2	13.8	0.02
May 27	25.7	13.7	0.00
May 28	30.7	15.8	0.00
May 29	26.4	16.8	0.00
May 30	29.7	18.0	0.00
May 31	27.4	17.7	0.32

June 2018 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
June 1	27.5	16.3	0.00
June 2	19.7	12.0	0.00
June 3	19.2	11.5	0.06
June 4	n/a	14.9	n/a
June 5	15.1	10.5	0.00
June 6	14.8	9.2	0.00
June 7	22.0	10.9	0.00
June 8	21.8	12.0	0.00
June 9	23.8	11.7	0.00
June 10	22.4	10.9	0.00
June 11	22.5	8.4	0.00
June 12	25.0	7.9	n/a
June 13	24.9	16.6	0.14
June 14	23.6	12.7	0.00
June 15	24.6	10.4	0.00
June 16	27.1	10.0	0.00
June 17	29.6	13.4	0.00
June 18	31.2	18.2	0.93
June 19	23.0	12.4	0.00
June 20	24.6	12.6	0.00
June 21	21.2	11.0	0.00
June 22	24.1	9.0	0.22
June 23	19.4	16.6	0.07
June 24	20.9	14.5	1.49
June 25	23.6	11.9	0.00
June 26	23.2	9.4	0.00
June 27	21.3	16.4	0.49
June 28	29.1	15.8	0.00
June 29	30.2	15.7	0.00
June 30	32.2	19.2	0.00

July 2018 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
July 1	32.5	20.7	0.00
July 2	31.3	17.6	2.66
July 3	29.8	15.4	0.00
July 4	31.9	15.4	0.00
July 5	32.2	18.9	1.21
July 6	23.9	17.9	n/a
July 7	25.3	12.4	0.00
July 8	27.3	12.2	0.00
July 9	30.7	11.7	0.00
July 10	29.1	17.7	0.00
July 11	25.8	14.8	0.00
July 12	28.0	16.5	0.00
July 13	29.1	19.3	0.00
July 14	26.1	20.0	0.32
July 15	30.2	18.3	0.00
July 16	28.4	18.0	1.42
July 17	26.3	17.2	0.00
July 18	23.1	13.9	0.00
July 19	n/a	n/a	n/a
July 20	28.6	n/a	n/a
July 21	26.1	21.7	n/a
July 22	n/a	n/a	n/a
July 23	26.0	n/a	n/a
July 24	28.7	21.1	0.68
July 25	28.5	16.1	0.00
July 26	n/a	14.5	n/a
July 27	25.4	15.2	0.00
July 28	23.0	12.6	0.07
July 29	24.9	11.4	0.23
July 30	25.6	13.0	0.00
July 31	25.5	16.6	0.00

August 2018 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
August 1	26.0	20.9	0.00
August 2	27.0	17.6	0.00
August 3	27.2	17.5	0.00
August 4	29.0	18.7	0.00
August 5	30.3	17.0	0.00
August 6	32.5	21.3	0.62
August 7	27.1	20.8	0.02
August 8	25.6	17.5	3.83
August 9	28.5	15.6	0.02
August 10	24.9	14.9	0.00
August 11	26.5	13.2	0.00
August 12	27.3	17.0	0.00
August 13	27.3	17.7	0.00
August 14	30.4	18.4	0.00
August 15	31.9	17.4	0.00
August 16	28.4	18.4	0.00
August 17	26.4	19.9	3.11
August 18	24.6	16.6	0.00
August 19	24.6	15.1	0.00
August 20	25.2	16.0	0.00
August 21	23.8	19.5	2.10
August 22	21.1	11.3	0.00
August 23	26.8	10.9	0.00
August 24	26.6	12.1	0.00
August 25	25.2	19.0	0.84
August 26	28.9	17.9	0.00
August 27	25.7	17.3	0.07
August 28	31.4	21.7	0.00
August 29	28.7	17.6	n/a
August 30	19.3	12.1	n/a
August 31	23.1	14.3	0.00

September 2018 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
September 1	27.3	14.0	0.00
September 2	26.8	20.7	0.00
September 3	30.8	19.9	0.00
September 4	27.4	16.8	0.00
September 5	31.7	18.5	0.00
September 6	25.6	16.4	0.00
September 7	23.9	13.8	0.00
September 8	17.2	10.4	0.00
September 9	15.6	9.6	0.00
September 10	16.3	12.4	2.78
September 11	20.4	11.9	0.02
September 12	23.4	10.8	0.00
September 13	25.8	13.2	0.00
September 14	26.8	19.6	0.00
September 15	28.1	18.0	0.00
September 16	28.4	17.6	0.00
September 17	25.6	16.6	n/a
September 18	26.9	15.7	0.00
September 19	20.9	12.9	0.00
September 20	18.8	13.2	0.00
September 21	29.5	13.0	0.12
September 22	16.0	6.3	0.00
September 23	18.2	5.6	0.00
September 24	18.7	6.8	0.37
September 25	20.6	14.6	1.75
September 26	22.6	7.4	0.00
September 27	16.8	6.0	0.00
September 28	21.0	8.7	0.32
September 29	16.5	7.4	0.05
September 30	13.1	6.7	0.46

October 2018 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
October 1	10.5	7.5	0.57
October 2	12.3	8.6	0.72
October 3	15.7	10.3	0.00
October 4	20.9	6.5	0.42
October 5	11.3	2.1	0.00
October 6	15.8	8.9	0.06
October 7	15.2	9.6	0.50
October 8	14.7	9.2	0.02
October 9	25.5	11.2	0.00
October 10	25.7	13.7	0.00
October 11	22.8	8.1	0.02
October 12	11.5	5.5	0.00
October 13	10.3	0.2	0.00
October 14	13.5	-0.4	0.00
October 15	13.2	3.2	0.19
October 16	10.8	-1.7	0.00
October 17	9.5	0.3	0.11
October 18	7.5	-2.1	0.02
October 19	14.5	-2.2	0.00
October 20	12.9	2.9	0.02
October 21	5.1	-0.3	0.00
October 22	9.6	-0.7	0.00
October 23	9.4	-1.3	0.49
October 24	6.0	1.7	0.00
October 25	6.7	-1.9	0.00
October 26	6.8	3.0	0.00
October 27	6.3	0.8	0.64
October 28	4.6	0.8	0.04
October 29	7.4	-0.3	0.00
October 30	10.0	-3.9	0.15
October 31	12.1	2.1	1.00

November 2018 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
November 1	8.0	3.0	2.32
November 2	5.5	3.8	0.73
November 3	6.6	-1.5	0.20
November 4	7.1	-1.5	0.00
November 5	9.9	5.5	0.23
November 6	14.5	8.4	0.61
November 7	9.0	4.3	0.02
November 8	6.7	-0.1	0.00
November 9	4.3	0.8	1.70
November 10	3.1	-1.7	0.00
November 11	3.2	-4.6	0.00
November 12	5.3	-1.4	0.07
November 13	1.8	-5.3	0.08
November 14	-1.4	-7.4	0.00
November 15	1.0	-6.6	0.00
November 16	2.2	0.2	1.73
November 17	2.4	-4.3	0.00
November 18	2.2	-6.0	0.02
November 19	5.0	-4.9	n/a
November 20	0.1	-5.1	0.00
November 21	0.9	-14.6	0.00
November 22	-7.8	-14.8	0.00
November 23	0.0	-11.5	0.00
November 24	4.8	-2.2	0.57
November 25	7.0	1.4	0.02
November 26	9.5	2.4	2.95
November 27	2.4	-1.4	0.00
November 28	2.2	-1.4	0.00
November 29	3.7	-1.1	0.00
November 30	2.0	0.2	0.00

December 2018 Oshawa Weather

Day	High (°C)	Low (°C)	Precip. (cm)
December 1	3.3	0.7	0.20
December 2	8.6	3.3	0.88
December 3	6.6	-1.8	0.24
December 4	-1.0	-8.2	0.00
December 5	1.2	-9.7	0.00
December 6	1.3	-5.5	0.00
December 7	-4.6	-11.2	0.00
December 8	-0.5	-9.2	0.06
December 9	0.9	-6.0	0.00
December 10	0.4	-2.7	0.00
December 11	0.0	-2.4	0.00
December 12	0.4	-4.4	0.00
December 13	2.6	-2.8	0.00
December 14	3.8	-1.4	0.40
December 15	4.0	-1.2	0.00
December 16	4.1	-3.6	0.00
December 17	2.4	-4.2	0.02
December 18	-2.7	-9.1	0.00
December 19	4.8	-7.0	0.00
December 20	4.7	-4.3	0.32
December 21	6.5	-1.0	1.68
December 22	-1.0	-3.5	0.00
December 23	-0.7	-2.6	0.00
December 24	1.6	-3.0	0.04
December 25	0.1	-3.8	0.00
December 26	1.8	-7.7	0.00
December 27	3.0	-9.8	0.50
December 28	9.9	2.9	0.76
December 29	4.2	-8.4	0.00
December 30	0.5	-9.8	0.09
December 31	4.6	-7.4	1.29

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Weather Station Details

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