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Oshawa Weather in 1978

Historical record of Oshawa, Ontario weather for the year 1978 based on NOAA data.
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1978 Oshawa Weather Extremes
Highest temperature 30.5 °C July 24
Lowest temperature -22.0 °C January 10
Highest daily low 21.0 °C July 23
Lowest daily high -12.0 °C February 5
Most daily precipitation 3.1 cm September 11
Most daily snow 10.0 cm January 26
Total annual precipitation 70.5 cm -
Total annual snow 93.5 cm -
What was the hottest temperature in Oshawa in 1978?
The highest temperature recorded in Oshawa, Ontario in 1978 was 30.5 °C which happened 6 different times.
Highest Temperatures: All-Time By Year
Highest Temperatures in Oshawa in 1978
Rank Temperature Date
1 30.5 °C Jul 24
1 30.5 °C Jul 23
1 30.5 °C Jul 22
1 30.5 °C Jul 21
1 30.5 °C Jul 20
1 30.5 °C Jun 29
7 30.0 °C Sep 6
7 30.0 °C Jun 27
9 29.5 °C Aug 14
10 29.0 °C Jul 8
10 29.0 °C Jul 7
What was the coldest temperature in Oshawa in 1978?
The lowest temperature recorded in Oshawa, Ontario in 1978 was -22.0 °C which happened on Jan 10.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Oshawa in 1978
Rank Temperature Date
1 -22.0 °C January 10
2 -20.0 °C February 15
3 -19.0 °C February 4
3 -19.0 °C January 29
5 -18.0 °C March 5
5 -18.0 °C January 15
7 -17.5 °C January 30
8 -17.0 °C February 6
9 -16.5 °C March 2
9 -16.5 °C January 22
9 -16.5 °C January 14
January 1978 Oshawa Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
 -8.0 -12.0 0.80 8.0
January 2
 -4.0 -12.5 0.00 0.0
January 3
 -6.0 -13.0 0.00 0.0
January 4
 0.0 -13.0 0.00 0.0
January 5
 2.0 -4.0 0.00 0.0
January 6
 -8.0 -10.0 0.00 0.0
January 7
 3.0 -10.5 0.56 0.0
January 8
 4.0 -8.0 2.62 1.0
January 9
 -12.0 -13.0 0.20 2.0
January 10
 -5.5 -22.0 0.00 0.0
January 11
 -4.5 -11.0 0.00 0.0
January 12
 -4.5 -9.0 0.30 3.0
January 13
 -4.0 -9.0 0.10 1.0
January 14
 -10.5 -16.5 0.70 7.0
January 15
 -8.0 -18.0 0.00 0.0
January 16
 -4.0 -15.0 0.00 0.0
January 17
 -4.5 -16.0 1.00 10.0
January 18
 -4.0 -10.0 0.00 0.0
January 19
 -4.0 -11.0 0.00 0.0
January 20
 -5.0 -16.0 0.90 9.0
January 21
 -6.5 -12.0 0.10 1.0
January 22
 -3.5 -16.5 0.00 0.0
January 23
 -3.0 -9.0 0.00 0.0
January 24
 1.0 -4.0 0.73 3.5
January 25
 4.0 -1.0 1.60 0.0
January 26
 4.0 -10.0 1.00 10.0
January 27
 -5.0 -9.0 0.00 0.0
January 28
 -7.0 -11.0 0.00 0.0
January 29
 -8.0 -19.0 0.00 0.0
January 30
 -7.0 -17.5 0.00 0.0
January 31
 -6.0 -15.0 0.00 0.0
February 1978 Oshawa Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
 -5.0 -14.0 0.10 1.0
February 2
 -7.5 -11.0 0.10 1.0
February 3
 -8.0 -15.0 0.00 0.0
February 4
 -9.5 -19.0 0.00 0.0
February 5
 -12.0 -16.0 0.30 3.0
February 6
 -8.0 -17.0 0.30 3.0
February 7
 -2.5 -12.0 0.40 4.0
February 8
 -3.5 -10.0 0.00 0.0
February 9
 -5.5 -14.5 0.00 0.0
February 10
 -4.0 -14.0 0.00 0.0
February 11
 -2.0 -8.0 0.00 0.0
February 12
 -1.0 -6.0 0.00 0.0
February 13
 -5.0 -9.0 0.00 0.0
February 14
 -7.0 -16.0 0.00 0.0
February 15
 -4.0 -20.0 0.00 0.0
February 16
 -2.0 -8.0 0.20 2.0
February 17
 -5.0 -8.0 0.00 0.0
February 18
 -4.0 -10.0 0.00 0.0
February 19
 -4.0 -15.0 0.00 0.0
February 20
 -5.0 -16.0 0.00 0.0
February 21
 -4.0 -12.0 0.00 0.0
February 22
 -4.0 -15.0 0.00 0.0
February 23
 -2.0 -11.0 0.00 0.0
February 24
 1.0 -7.0 0.20 2.0
February 25
 -1.0 -6.5 0.00 0.0
February 26
 -1.5 -9.0 0.00 0.0
February 27
 -3.0 -12.0 0.00 0.0
February 28
 -3.0 -8.0 0.10 1.0
March 1978 Oshawa Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
 -4.0 -10.0 0.00 0.0
March 2
 -3.0 -16.5 0.00 0.0
March 3
 -5.0 -11.5 0.55 5.5
March 4
 -5.0 -13.5 0.00 0.0
March 5
 -5.0 -18.0 0.00 0.0
March 6
 -2.0 -14.0 0.00 0.0
March 7
 -3.0 -10.0 0.00 0.0
March 8
 -2.0 -12.5 0.00 0.0
March 9
 0.0 -13.0 0.00 0.0
March 10
 3.0 -7.0 0.00 0.0
March 11
 3.0 -5.0 0.50 5.0
March 12
 4.5 -1.0 0.00 0.0
March 13
 3.0 -8.0 0.86 0.0
March 14
 5.0 0.0 0.60 0.0
March 15
 1.0 -2.0 0.00 0.0
March 16
 -2.0 -8.0 0.00 0.0
March 17
 -2.0 -8.0 0.10 1.0
March 18
 2.0 -8.0 0.00 0.0
March 19
 5.0 -6.0 0.00 0.0
March 20
 3.0 -10.0 0.80 0.0
March 21
 5.0 -2.0 1.04 0.0
March 22
 5.0 -1.0 0.28 0.0
March 23
 7.0 0.0 0.00 0.0
March 24
 2.5 -10.0 0.00 0.0
March 25
 1.0 -8.0 0.20 2.0
March 26
 1.0 -4.0 0.24 0.0
March 27
 0.4 0.0 0.00 0.0
March 28
 4.0 -1.0 0.00 0.0
March 29
 4.0 -2.0 0.00 0.0
March 30
 5.5 -4.0 0.00 0.0
March 31
 8.0 -1.0 0.44 0.0
April 1978 Oshawa Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
 13.0 1.0 0.00 0.0
April 2
 3.0 -6.0 0.00 0.0
April 3
 3.0 -4.0 0.00 0.0
April 4
 9.0 -1.0 0.30 0.0
April 5
 8.0 2.0 0.00 0.0
April 6
 5.0 -4.0 2.00 0.0
April 7
 9.0 2.0 0.02 0.0
April 8
 3.0 -2.0 0.00 0.0
April 9
 5.0 -5.0 0.00 0.0
April 10
 6.0 -1.0 0.34 0.0
April 11
 8.0 2.0 0.90 0.0
April 12
 10.0 2.0 0.00 0.0
April 13
 12.0 1.0 0.00 0.0
April 14
 6.0 0.0 0.00 0.0
April 15
 7.0 -2.0 0.00 0.0
April 16
 7.5 1.0 0.00 0.0
April 17
 9.0 0.0 0.00 0.0
April 18
 11.0 -1.0 0.62 0.0
April 19
 7.5 3.0 0.94 0.0
April 20
 5.0 3.0 1.30 0.0
April 21
 7.5 -0.5 0.00 0.0
April 22
 10.0 -1.0 0.00 0.0
April 23
 11.0 -1.0 0.00 0.0
April 24
 16.0 0.0 0.00 0.0
April 25
 13.0 5.0 0.00 0.0
April 26
 14.0 4.0 0.00 0.0
April 27
 16.0 5.0 0.00 0.0
April 28
 18.0 5.0 0.00 0.0
April 29
 18.0 3.0 0.00 0.0
April 30
 6.0 -2.0 0.00 0.0
May 1978 Oshawa Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
May 1
 6.0 -2.0 0.00 0.0
May 2
 12.0 0.0 0.00 0.0
May 3
 13.0 1.0 0.00 0.0
May 4
 9.0 -1.0 0.00 0.0
May 5
 8.0 4.5 0.42 0.0
May 6
 8.0 4.0 0.22 0.0
May 7
 13.5 5.0 0.00 0.0
May 8
 12.0 5.0 1.50 0.0
May 9
 16.0 5.0 0.08 0.0
May 10
 13.0 6.0 0.00 0.0
May 11
 14.0 1.0 0.20 0.0
May 12
 15.0 7.0 0.32 0.0
May 13
 16.0 7.0 0.94 0.0
May 14
 14.0 8.0 1.92 0.0
May 15
 15.0 11.0 0.00 0.0
May 16
 17.0 8.0 0.20 0.0
May 17
 17.0 11.5 0.00 0.0
May 18
 17.5 10.0 0.36 0.0
May 19
 22.5 5.5 0.00 0.0
May 20
 23.0 9.0 0.62 0.0
May 21
 23.5 8.0 0.00 0.0
May 22
 17.5 4.0 0.00 0.0
May 23
 20.5 5.0 0.00 0.0
May 24
 20.5 8.0 0.00 0.0
May 25
 28.0 10.0 0.00 0.0
May 26
 25.0 13.0 0.00 0.0
May 27
 23.5 10.5 0.00 0.0
May 28
 25.5 13.0 0.00 0.0
May 29
 26.0 13.0 0.00 0.0
May 30
 22.5 15.0 0.14 0.0
May 31
 26.0 14.0 0.00 0.0
June 1978 Oshawa Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
June 1
 19.0 14.0 0.08 0.0
June 2
 28.0 11.5 0.00 0.0
June 3
 19.0 9.0 0.00 0.0
June 4
 16.0 6.0 0.30 0.0
June 5
 16.5 10.0 0.00 0.0
June 6
 16.0 4.5 0.00 0.0
June 7
 17.0 8.0 0.52 0.0
June 8
 22.5 9.5 0.02 0.0
June 9
 22.5 13.0 0.06 0.0
June 10
 14.0 5.0 0.00 0.0
June 11
 23.5 9.0 0.00 0.0
June 12
 24.0 12.5 1.00 0.0
June 13
 14.0 8.0 0.00 0.0
June 14
 17.0 5.0 0.00 0.0
June 15
 21.0 6.5 0.00 0.0
June 16
 19.0 9.0 0.00 0.0
June 17
 21.5 13.5 0.02 0.0
June 18
 26.0 14.0 0.00 0.0
June 19
 23.5 15.5 0.02 0.0
June 20
 25.0 8.0 0.00 0.0
June 21
 21.5 13.5 0.02 0.0
June 22
 23.0 10.5 0.00 0.0
June 23
 20.0 11.0 0.00 0.0
June 24
 23.0 11.0 0.00 0.0
June 25
 21.0 8.0 0.10 0.0
June 26
 24.0 15.0 0.00 0.0
June 27
 30.0 16.0 0.00 0.0
June 28
 28.0 15.5 0.00 0.0
June 29
 30.5 15.0 0.00 0.0
June 30
 24.0 16.0 0.00 0.0
July 1978 Oshawa Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
July 1
 24.5 12.0 0.00 0.0
July 2
 24.5 13.0 0.00 0.0
July 3
 24.0 13.5 0.26 0.0
July 4
 22.0 14.0 0.00 0.0
July 5
 27.0 12.0 0.00 0.0
July 6
 27.0 14.0 0.00 0.0
July 7
 29.0 17.0 0.40 0.0
July 8
 29.0 19.0 0.00 0.0
July 9
 28.0 17.5 0.00 0.0
July 10
 23.0 17.0 0.00 0.0
July 11
 25.0 9.5 0.00 0.0
July 12
 24.0 9.0 0.00 0.0
July 13
 26.0 10.0 0.00 0.0
July 14
 26.0 14.0 0.00 0.0
July 15
 26.0 16.0 0.00 0.0
July 16
 26.0 15.0 0.00 0.0
July 17
 26.0 14.0 0.00 0.0
July 18
 26.0 11.0 0.00 0.0
July 19
 27.0 16.0 0.00 0.0
July 20
 30.5 18.0 0.60 0.0
July 21
 30.5 19.0 1.30 0.0
July 22
 30.5 19.0 1.50 0.0
July 23
 30.5 21.0 0.00 0.0
July 24
 30.5 12.5 0.00 0.0
July 25
 23.5 13.5 0.00 0.0
July 26
 25.5 16.5 0.46 0.0
July 27
 25.0 17.0 0.10 0.0
July 28
 22.5 12.0 0.12 0.0
July 29
 20.5 13.0 0.06 0.0
July 30
 18.0 12.0 0.00 0.0
July 31
 20.0 10.5 0.00 0.0
August 1978 Oshawa Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
 24.0 11.0 0.00 0.0
August 2
 24.0 14.0 1.50 0.0
August 3
 24.0 15.0 0.14 0.0
August 4
 24.0 13.0 0.00 0.0
August 5
 24.0 10.0 0.00 0.0
August 6
 24.0 12.0 0.00 0.0
August 7
 25.0 14.0 0.10 0.0
August 8
 25.0 17.0 0.06 0.0
August 9
 25.5 19.0 0.54 0.0
August 10
 21.5 12.0 0.00 0.0
August 11
 24.0 12.0 0.00 0.0
August 12
 25.0 14.0 0.00 0.0
August 13
 27.5 14.0 0.00 0.0
August 14
 29.5 16.0 0.00 0.0
August 15
 27.5 19.0 0.20 0.0
August 16
 27.5 19.5 0.06 0.0
August 17
 24.0 18.0 0.00 0.0
August 18
 23.0 10.5 0.00 0.0
August 19
 28.0 17.0 0.80 0.0
August 20
 24.0 16.0 0.00 0.0
August 21
 22.0 11.0 0.00 0.0
August 22
 23.0 10.0 0.00 0.0
August 23
 25.0 12.0 0.60 0.0
August 24
 23.0 17.0 2.16 0.0
August 25
 20.0 12.0 0.00 0.0
August 26
 22.0 11.0 0.00 0.0
August 27
 22.0 13.0 0.08 0.0
August 28
 24.5 18.0 2.22 0.0
August 29
 25.5 16.0 0.08 0.0
August 30
 26.0 11.0 0.00 0.0
August 31
 23.0 11.0 0.00 0.0
September 1978 Oshawa Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
 23.5 12.0 0.00 0.0
September 2
 24.0 11.0 0.40 0.0
September 3
 26.0 15.0 0.00 0.0
September 4
 26.0 9.5 0.00 0.0
September 5
 22.0 13.0 0.00 0.0
September 6
 30.0 16.0 0.00 0.0
September 7
 20.5 16.0 0.02 0.0
September 8
 16.5 11.0 0.02 0.0
September 9
 18.5 12.0 0.00 0.0
September 10
 18.5 11.0 0.00 0.0
September 11
 24.5 14.0 3.08 0.0
September 12
 17.0 10.0 0.10 0.0
September 13
 16.0 6.5 0.06 0.0
September 14
 19.0 10.5 2.04 0.0
September 15
 22.5 15.0 0.04 0.0
September 16
 20.0 12.5 0.00 0.0
September 17
 14.0 8.0 0.54 0.0
September 18
 12.5 8.0 2.58 0.0
September 19
 15.0 8.0 0.00 0.0
September 20
 19.5 12.5 0.00 0.0
September 21
 21.5 14.0 0.40 0.0
September 22
 18.0 10.0 0.00 0.0
September 23
 18.0 6.0 0.00 0.0
September 24
 19.0 6.0 0.00 0.0
September 25
 15.0 10.0 0.00 0.0
September 26
 16.0 3.0 0.00 0.0
September 27
 20.0 13.0 0.18 0.0
September 28
 14.5 4.0 0.00 0.0
September 29
 14.5 2.0 0.00 0.0
September 30
 19.0 7.5 2.10 0.0
October 1978 Oshawa Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
 18.0 13.0 0.04 0.0
October 2
 15.0 7.0 0.00 0.0
October 3
 15.0 6.0 1.04 0.0
October 4
 16.0 11.0 0.02 0.0
October 5
 16.0 6.0 1.30 0.0
October 6
 14.0 8.5 0.90 0.0
October 7
 10.0 5.0 0.02 0.0
October 8
 11.0 2.0 0.00 0.0
October 9
 14.0 -3.0 0.00 0.0
October 10
 17.5 9.5 0.04 0.0
October 11
 17.0 7.0 0.14 0.0
October 12
 17.5 11.0 0.20 0.0
October 13
 13.0 9.0 0.22 0.0
October 14
 6.0 3.0 0.52 0.0
October 15
 7.5 1.0 0.00 0.0
October 16
 8.0 -2.0 0.00 0.0
October 17
 9.0 -2.0 0.00 0.0
October 18
 11.5 0.0 0.04 0.0
October 19
 11.0 4.0 0.22 0.0
October 20
 12.0 4.0 0.00 0.0
October 21
 17.0 2.0 0.00 0.0
October 22
 17.5 7.5 0.08 0.0
October 23
 8.0 5.0 0.22 0.0
October 24
 9.0 -5.0 0.00 0.0
October 25
 13.0 5.0 0.98 0.0
October 26
 11.0 8.0 0.24 0.0
October 27
 10.5 3.0 0.00 0.0
October 28
 13.0 2.0 0.00 0.0
October 29
 12.0 0.0 0.00 0.0
October 30
 9.0 0.0 0.00 0.0
October 31
 17.0 2.0 0.00 0.0
November 1978 Oshawa Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
 16.0 1.0 0.00 0.0
November 2
 13.0 -1.5 0.00 0.0
November 3
 12.0 0.5 0.00 0.0
November 4
 14.0 2.5 0.00 0.0
November 5
 14.0 5.0 0.00 0.0
November 6
 12.5 7.0 0.14 0.0
November 7
 8.5 4.0 0.00 0.0
November 8
 8.5 -4.0 0.00 0.0
November 9
 12.5 5.0 0.00 0.0
November 10
 10.5 2.0 0.00 0.0
November 11
 11.0 2.0 0.00 0.0
November 12
 11.0 -3.5 0.00 0.0
November 13
 11.5 -4.0 1.44 0.0
November 14
 14.0 5.0 0.04 0.0
November 15
 7.0 2.5 0.00 0.0
November 16
 8.0 -2.0 0.00 0.0
November 17
 13.0 1.0 1.68 0.0
November 18
 9.0 4.5 0.10 0.0
November 19
 7.0 4.0 0.00 0.0
November 20
 -2.0 -6.0 0.00 0.0
November 21
 -1.0 -7.5 0.00 0.0
November 22
 3.5 -7.0 0.00 0.0
November 23
 8.0 0.0 1.86 0.0
November 24
 6.0 3.0 0.00 0.0
November 25
 6.0 -2.0 0.00 0.0
November 26
 6.0 -10.0 0.00 0.0
November 27
 -5.5 -10.0 0.75 7.5
November 28
 1.5 -8.5 0.00 0.0
November 29
 5.5 -5.0 0.00 0.0
November 30
 2.0 -2.5 0.00 0.0
December 1978 Oshawa Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
 n/a n/a n/a n/a
December 2
 n/a n/a n/a n/a
December 3
 n/a n/a n/a n/a
December 4
 n/a n/a n/a n/a
December 5
 n/a n/a n/a n/a
December 6
 n/a n/a n/a n/a
December 7
 n/a n/a n/a n/a
December 8
 n/a n/a n/a n/a
December 9
 n/a n/a n/a n/a
December 10
 n/a n/a n/a n/a
December 11
 n/a n/a n/a n/a
December 12
 n/a n/a n/a n/a
December 13
 n/a n/a n/a n/a
December 14
 n/a n/a n/a n/a
December 15
 n/a n/a n/a n/a
December 16
 n/a n/a n/a n/a
December 17
 n/a n/a n/a n/a
December 18
 n/a n/a n/a n/a
December 19
 n/a n/a n/a n/a
December 20
 n/a n/a n/a n/a
December 21
 n/a n/a n/a n/a
December 22
 n/a n/a n/a n/a
December 23
 n/a n/a n/a n/a
December 24
 n/a n/a n/a n/a
December 25
 n/a n/a n/a n/a
December 26
 n/a n/a n/a n/a
December 27
 n/a n/a n/a n/a
December 28
 n/a n/a n/a n/a
December 29
 n/a n/a n/a n/a
December 30
 n/a n/a n/a n/a
December 31
 n/a n/a n/a n/a
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