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Cornwall Weather in 1984

Historical record of Cornwall, Ontario weather for the year 1984 based on NOAA data.
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1984 Cornwall Weather Extremes
Highest temperature 32.0 °C August 10
Lowest temperature -28.0 °C January 16
Highest daily low 24.0 °C June 9
Lowest daily high -18.0 °C January 12
Most daily precipitation 2.9 cm August 29
Most daily snow 22.8 cm February 28
Total annual precipitation 70.5 cm -
Total annual snow 130.9 cm -
What was the hottest temperature in Cornwall in 1984?
The highest temperature recorded in Cornwall, Ontario in 1984 was 32.0 °C which happened 2 different times.
Highest Temperatures: All-Time By Year
Highest Temperatures in Cornwall in 1984
Rank Temperature Date
1 32.0 °C Aug 10
1 32.0 °C Aug 4
3 31.0 °C Aug 5
3 31.0 °C Jun 7
5 30.5 °C Aug 3
5 30.5 °C Jun 10
5 30.5 °C Jun 8
8 30.0 °C Aug 14
8 30.0 °C Aug 9
8 30.0 °C Aug 8
8 30.0 °C Aug 6
8 30.0 °C Jul 22
8 30.0 °C Jul 15
8 30.0 °C Jul 6
What was the coldest temperature in Cornwall in 1984?
The lowest temperature recorded in Cornwall, Ontario in 1984 was -28.0 °C which happened on Jan 16.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Cornwall in 1984
Rank Temperature Date
1 -28.0 °C January 16
2 -27.0 °C January 21
3 -25.0 °C January 12
4 -24.5 °C March 12
5 -22.5 °C January 22
6 -22.0 °C March 9
6 -22.0 °C March 8
8 -21.0 °C December 27
8 -21.0 °C January 17
8 -21.0 °C January 13
January 1984 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
 -10.0 -14.0 0.00 0.0
January 2
 -8.0 -15.0 0.40 4.0
January 3
 2.0 -12.5 0.00 0.0
January 4
 2.0 0.0 0.00 0.0
January 5
 3.0 1.0 0.10 0.0
January 6
 2.0 0.5 0.32 0.0
January 7
 -9.0 -15.0 0.00 0.0
January 8
 -14.0 -20.5 0.00 0.0
January 9
 -12.0 -16.0 0.20 2.0
January 10
 -11.0 -15.0 0.10 1.0
January 11
 -16.5 -19.0 0.00 0.0
January 12
 -18.0 -25.0 0.00 0.0
January 13
 -11.0 -21.0 0.30 3.0
January 14
 -8.0 -15.0 0.50 5.0
January 15
 -16.0 -19.0 0.00 0.0
January 16
 -12.0 -28.0 0.00 0.0
January 17
 -5.0 -21.0 0.08 0.8
January 18
 -5.0 -6.0 0.00 0.0
January 19
 -10.0 -12.0 0.20 2.0
January 20
 -8.0 -18.0 0.10 1.0
January 21
 -15.5 -27.0 0.00 0.0
January 22
 -8.0 -22.5 0.14 1.4
January 23
 -2.0 -11.0 0.00 0.0
January 24
 4.0 -14.0 0.00 0.0
January 25
 3.0 -0.5 0.00 0.0
January 26
 -7.0 -11.5 0.00 0.0
January 27
 -5.0 -11.0 0.30 3.0
January 28
 -9.0 -16.0 0.00 0.0
January 29
 -8.0 -16.0 0.20 2.0
January 30
 -4.0 -9.0 0.22 2.2
January 31
 -6.5 -10.0 0.00 0.0
February 1984 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
 -12.0 -20.0 0.00 0.0
February 2
 -4.0 -18.0 0.00 0.0
February 3
 8.0 -8.0 0.14 0.0
February 4
 2.0 1.0 0.00 0.0
February 5
 2.0 0.0 0.45 4.5
February 6
 -3.0 -11.0 0.30 3.0
February 7
 -12.0 -17.0 0.00 0.0
February 8
 -5.0 -19.0 0.22 2.2
February 9
 -8.0 -15.5 0.10 1.0
February 10
 -6.0 -18.0 0.00 0.0
February 11
 3.0 -10.0 0.20 0.0
February 12
 4.0 -1.0 0.00 0.0
February 13
 4.0 0.0 0.00 0.0
February 14
 15.0 1.5 1.31 0.0
February 15
 6.0 2.0 0.00 0.0
February 16
 4.0 0.0 0.00 0.0
February 17
 4.0 -3.0 0.90 0.0
February 18
 3.0 0.5 0.00 0.0
February 19
 8.0 2.0 0.10 0.0
February 20
 3.0 2.0 0.13 0.0
February 21
 -1.0 -3.0 0.00 0.0
February 22
 5.0 -5.0 0.00 0.0
February 23
 14.0 2.5 0.00 0.0
February 24
 12.0 -1.0 0.00 0.0
February 25
 2.0 0.0 0.20 2.0
February 26
 -5.0 -10.0 0.00 0.0
February 27
 -4.0 -12.0 0.16 1.6
February 28
 -4.5 -8.0 2.28 22.8
February 29
 -5.0 -10.0 0.00 0.0
March 1984 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
 n/a -18.0 0.00 0.0
March 2
 -9.0 -16.0 0.00 0.0
March 3
 -8.5 -16.0 0.00 0.0
March 4
 -4.0 -13.5 0.00 0.0
March 5
 -3.0 -14.0 0.80 8.0
March 6
 -3.0 -5.0 0.10 1.0
March 7
 n/a -17.0 0.00 0.0
March 8
 n/a -22.0 0.00 0.0
March 9
 -12.0 -22.0 0.00 0.0
March 10
 -6.0 -20.0 0.00 0.0
March 11
 -4.0 -11.0 0.00 0.0
March 12
 -16.0 -24.5 0.00 0.0
March 13
 -8.0 -17.0 1.10 11.0
March 14
 -2.0 -9.5 0.00 0.0
March 15
 -1.0 -12.0 0.00 0.0
March 16
 2.0 -5.0 0.12 0.0
March 17
 -3.5 -12.0 0.00 0.0
March 18
 -3.0 -9.0 0.03 0.3
March 19
 0.0 -4.0 0.05 0.0
March 20
 2.0 -1.0 0.00 0.0
March 21
 8.5 0.0 0.20 0.0
March 22
 7.0 1.0 0.18 0.0
March 23
 2.0 -2.0 0.00 0.0
March 24
 2.0 -6.0 0.00 0.0
March 25
 3.0 -5.0 0.00 0.0
March 26
 0.5 -7.0 0.00 0.0
March 27
 3.0 -7.0 0.00 0.0
March 28
 5.0 -4.0 0.00 0.0
March 29
 3.0 0.0 0.00 0.0
March 30
 6.0 -0.5 0.00 0.0
March 31
 9.0 -1.5 0.00 0.0
April 1984 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
 10.0 -2.0 0.00 0.0
April 2
 11.0 0.0 0.00 0.0
April 3
 11.0 -2.0 0.00 0.0
April 4
 14.0 -1.0 1.06 0.0
April 5
 n/a 3.0 0.91 0.0
April 6
 9.0 5.5 0.30 0.0
April 7
 5.0 3.0 0.16 0.0
April 8
 9.0 -1.0 0.00 0.0
April 9
 5.0 -4.0 0.00 0.0
April 10
 6.5 -4.0 0.00 0.0
April 11
 14.0 0.0 0.00 0.0
April 12
 14.0 2.0 0.00 0.0
April 13
 14.0 1.0 0.28 0.0
April 14
 13.0 4.0 0.10 0.0
April 15
 7.5 6.0 1.18 0.0
April 16
 6.0 5.0 2.12 0.0
April 17
 15.0 5.0 1.15 0.0
April 18
 6.0 2.0 0.00 0.0
April 19
 10.0 3.5 0.00 0.0
April 20
 16.0 5.0 0.00 0.0
April 21
 7.0 2.0 0.00 0.0
April 22
 11.0 -2.0 0.00 0.0
April 23
 17.5 2.0 0.42 0.0
April 24
 12.0 7.0 1.46 0.0
April 25
 10.0 n/a 0.20 0.0
April 26
 16.0 3.0 0.00 0.0
April 27
 19.5 7.0 0.00 0.0
April 28
 25.0 7.0 0.24 0.0
April 29
 20.5 11.0 0.00 0.0
April 30
 23.0 8.0 0.43 0.0
May 1984 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
May 1
 9.0 4.5 0.00 0.0
May 2
 9.5 3.0 0.00 0.0
May 3
 13.5 1.5 0.00 0.0
May 4
 8.0 5.0 1.15 0.0
May 5
 13.0 3.0 0.00 0.0
May 6
 21.0 6.0 0.00 0.0
May 7
 21.5 4.5 0.00 0.0
May 8
 13.5 10.0 2.12 0.0
May 9
 12.0 6.5 0.00 0.0
May 10
 17.0 7.0 0.00 0.0
May 11
 20.0 7.5 0.80 0.0
May 12
 20.0 11.0 0.60 0.0
May 13
 12.5 6.5 0.00 0.0
May 14
 14.0 5.0 0.00 0.0
May 15
 11.0 1.0 0.13 0.0
May 16
 11.0 3.0 0.00 0.0
May 17
 17.0 2.0 0.00 0.0
May 18
 16.0 5.0 0.00 0.0
May 19
 18.0 10.0 0.42 0.0
May 20
 19.0 9.0 0.20 0.0
May 21
 20.0 9.0 0.00 0.0
May 22
 29.0 9.0 0.10 0.0
May 23
 23.0 15.0 2.40 0.0
May 24
 20.0 10.0 0.00 0.0
May 25
 25.5 15.0 0.06 0.0
May 26
 23.5 17.0 0.08 0.0
May 27
 18.0 8.0 0.00 0.0
May 28
 11.0 8.0 0.60 0.0
May 29
 9.0 7.0 1.40 0.0
May 30
 11.0 8.0 0.00 0.0
May 31
 15.0 4.0 0.00 0.0
June 1984 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
June 1
 19.0 1.0 0.00 0.0
June 2
 25.0 9.0 0.00 0.0
June 3
 20.0 10.0 0.20 0.0
June 4
 26.0 11.0 0.00 0.0
June 5
 27.0 12.0 0.00 0.0
June 6
 25.0 16.5 0.23 0.0
June 7
 31.0 19.0 0.26 0.0
June 8
 30.5 19.0 0.00 0.0
June 9
 29.5 24.0 0.00 0.0
June 10
 30.5 18.0 0.00 0.0
June 11
 25.0 21.0 0.00 0.0
June 12
 25.0 13.0 0.00 0.0
June 13
 25.0 17.0 0.10 0.0
June 14
 25.5 17.5 0.00 0.0
June 15
 19.0 7.0 0.00 0.0
June 16
 22.0 8.0 0.00 0.0
June 17
 26.0 14.0 0.00 0.0
June 18
 26.0 15.0 0.20 0.0
June 19
 28.0 19.0 0.00 0.0
June 20
 22.0 10.5 0.00 0.0
June 21
 26.0 11.0 0.00 0.0
June 22
 24.0 11.0 0.00 0.0
June 23
 26.0 10.0 0.00 0.0
June 24
 21.5 15.0 2.02 0.0
June 25
 20.0 13.0 0.40 0.0
June 26
 22.0 12.0 0.00 0.0
June 27
 27.0 12.5 n/a 0.0
June 28
 24.0 17.0 0.00 0.0
June 29
 27.0 13.5 0.00 0.0
June 30
 26.0 14.0 0.00 0.0
July 1984 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
July 1
 28.0 15.0 0.00 0.0
July 2
 29.5 17.0 0.00 0.0
July 3
 29.0 18.0 0.00 0.0
July 4
 26.0 19.0 0.00 0.0
July 5
 26.0 20.0 0.00 0.0
July 6
 30.0 18.0 1.46 0.0
July 7
 21.0 17.0 0.02 0.0
July 8
 23.0 11.0 0.00 0.0
July 9
 25.0 13.0 0.00 0.0
July 10
 28.0 14.0 0.00 0.0
July 11
 25.0 18.0 1.72 0.0
July 12
 27.5 17.0 0.06 0.0
July 13
 28.0 17.0 0.00 0.0
July 14
 29.0 20.0 0.00 0.0
July 15
 30.0 21.0 1.03 0.0
July 16
 27.0 20.0 0.00 0.0
July 17
 26.0 16.0 0.60 0.0
July 18
 23.0 17.0 0.00 0.0
July 19
 25.0 15.0 0.00 0.0
July 20
 27.5 17.0 0.00 0.0
July 21
 29.0 18.0 0.00 0.0
July 22
 30.0 17.0 0.00 0.0
July 23
 29.5 19.5 0.00 0.0
July 24
 26.0 22.0 0.00 0.0
July 25
 24.0 11.0 0.00 0.0
July 26
 23.5 14.5 0.00 0.0
July 27
 26.0 16.0 0.00 0.0
July 28
 26.0 13.0 0.00 0.0
July 29
 28.0 13.0 0.00 0.0
July 30
 25.0 16.0 0.00 0.0
July 31
 28.0 19.0 0.00 0.0
August 1984 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
 22.0 19.0 0.10 0.0
August 2
 29.0 18.0 0.00 0.0
August 3
 30.5 18.0 0.00 0.0
August 4
 32.0 19.0 0.00 0.0
August 5
 31.0 20.0 0.00 0.0
August 6
 30.0 20.0 0.38 0.0
August 7
 29.0 21.0 0.00 0.0
August 8
 30.0 19.0 0.00 0.0
August 9
 30.0 20.5 0.00 0.0
August 10
 32.0 22.0 0.20 0.0
August 11
 24.0 19.0 0.22 0.0
August 12
 27.0 19.0 0.09 0.0
August 13
 29.0 20.0 0.10 0.0
August 14
 30.0 22.0 2.20 0.0
August 15
 28.0 19.0 0.00 0.0
August 16
 27.0 19.0 0.00 0.0
August 17
 21.0 13.5 0.00 0.0
August 18
 24.0 10.0 0.00 0.0
August 19
 22.0 15.0 0.00 0.0
August 20
 21.5 7.5 0.00 0.0
August 21
 25.0 9.0 0.00 0.0
August 22
 26.0 14.0 1.40 0.0
August 23
 20.0 15.5 2.22 0.0
August 24
 24.0 12.0 0.00 0.0
August 25
 25.0 11.0 0.00 0.0
August 26
 26.0 13.0 0.00 0.0
August 27
 27.5 15.0 0.00 0.0
August 28
 26.0 19.0 0.10 0.0
August 29
 27.0 20.0 2.90 0.0
August 30
 28.0 19.0 0.59 0.0
August 31
 24.0 14.0 0.26 0.0
September 1984 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
 22.0 12.0 0.00 0.0
September 2
 18.0 11.0 0.00 0.0
September 3
 17.0 11.0 0.30 0.0
September 4
 18.0 8.0 0.00 0.0
September 5
 17.0 9.0 0.00 0.0
September 6
 16.5 5.5 0.00 0.0
September 7
 21.0 n/a 0.00 0.0
September 8
 26.0 n/a 0.00 0.0
September 9
 26.0 13.0 0.00 0.0
September 10
 20.0 17.0 0.78 0.0
September 11
 18.0 15.0 0.72 0.0
September 12
 19.0 10.0 0.00 0.0
September 13
 21.0 13.0 0.31 0.0
September 14
 17.5 13.0 0.00 0.0
September 15
 12.5 8.5 0.23 0.0
September 16
 15.0 5.0 0.07 0.0
September 17
 19.0 5.0 0.00 0.0
September 18
 21.0 8.0 0.00 0.0
September 19
 21.0 13.0 0.00 0.0
September 20
 23.5 14.0 0.10 0.0
September 21
 17.0 7.0 0.00 0.0
September 22
 20.0 4.0 0.00 0.0
September 23
 25.0 10.0 0.00 0.0
September 24
 24.0 15.0 0.00 0.0
September 25
 24.0 17.0 0.20 0.0
September 26
 13.0 9.0 0.00 0.0
September 27
 12.0 1.0 0.00 0.0
September 28
 15.0 4.0 0.00 0.0
September 29
 14.0 6.5 0.00 0.0
September 30
 14.5 2.0 0.00 0.0
October 1984 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
 13.0 2.0 0.00 0.0
October 2
 10.0 6.0 0.00 0.0
October 3
 11.0 4.0 1.66 0.0
October 4
 10.5 4.0 0.18 0.0
October 5
 7.0 -2.0 0.00 0.0
October 6
 10.0 -3.0 0.00 0.0
October 7
 19.0 1.0 0.00 0.0
October 8
 14.0 11.0 0.34 0.0
October 9
 14.5 9.5 0.00 0.0
October 10
 15.0 8.0 0.00 0.0
October 11
 12.0 8.0 0.00 0.0
October 12
 20.5 10.0 0.00 0.0
October 13
 13.0 8.0 0.00 0.0
October 14
 13.0 8.5 0.00 0.0
October 15
 20.0 3.0 0.00 0.0
October 16
 18.5 8.0 0.00 0.0
October 17
 15.5 5.5 0.00 0.0
October 18
 16.5 4.0 0.00 0.0
October 19
 18.0 11.0 0.32 0.0
October 20
 16.0 11.0 0.00 0.0
October 21
 18.0 10.0 0.70 0.0
October 22
 11.0 10.0 0.00 0.0
October 23
 13.5 5.0 0.00 0.0
October 24
 13.0 5.0 0.00 0.0
October 25
 15.0 6.0 0.00 0.0
October 26
 5.0 3.0 0.65 0.0
October 27
 21.0 3.5 0.00 0.0
October 28
 24.0 9.5 0.00 0.0
October 29
 13.0 8.0 0.00 0.0
October 30
 16.0 -2.0 0.00 0.0
October 31
 7.0 2.5 0.00 0.0
November 1984 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
 19.0 1.0 0.50 0.0
November 2
 5.0 2.0 0.00 0.0
November 3
 6.0 -3.0 0.00 0.0
November 4
 13.0 n/a 0.30 0.0
November 5
 11.5 8.0 0.43 0.0
November 6
 6.0 3.5 0.00 0.0
November 7
 2.5 -5.0 0.00 0.0
November 8
 5.0 -3.0 0.10 0.0
November 9
 8.0 -1.0 0.50 0.0
November 10
 12.0 5.0 0.46 0.0
November 11
 10.5 9.0 0.78 0.0
November 12
 3.0 2.0 0.70 5.0
November 13
 2.0 0.0 0.00 0.0
November 14
 2.0 -4.5 0.00 0.0
November 15
 10.0 -4.0 0.30 0.0
November 16
 7.0 5.0 0.00 0.0
November 17
 0.0 -1.0 0.00 0.0
November 18
 2.0 -4.0 0.00 0.0
November 19
 -3.0 -10.0 0.00 0.0
November 20
 -1.0 -8.0 0.00 0.0
November 21
 -2.0 -5.0 0.00 0.0
November 22
 1.0 -5.0 0.00 0.0
November 23
 4.0 0.0 0.00 0.0
November 24
 7.0 1.0 0.00 0.0
November 25
 7.0 2.5 0.12 0.0
November 26
 7.0 -1.0 0.00 0.0
November 27
 9.0 0.0 0.00 0.0
November 28
 19.0 2.0 0.42 0.0
November 29
 6.0 3.0 1.14 0.0
November 30
 7.0 1.0 0.30 0.0
December 1984 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
 5.0 2.0 0.14 0.0
December 2
 0.0 -2.0 0.00 0.0
December 3
 3.0 -3.0 0.70 4.0
December 4
 4.0 -1.5 0.00 0.0
December 5
 0.0 -7.0 0.70 7.0
December 6
 -2.0 -5.0 0.80 8.0
December 7
 -3.0 -15.5 0.00 0.0
December 8
 3.0 -11.5 0.00 0.0
December 9
 4.5 -1.0 0.00 0.0
December 10
 7.0 -1.0 0.00 0.0
December 11
 2.0 -4.0 0.00 0.0
December 12
 10.0 -0.5 0.00 0.0
December 13
 8.0 -2.0 0.00 0.0
December 14
 0.0 -8.0 0.52 4.0
December 15
 -3.0 -7.0 0.00 0.0
December 16
 13.0 -6.0 0.00 0.0
December 17
 12.5 -3.0 0.00 0.0
December 18
 3.0 0.0 0.00 0.0
December 19
 1.0 -3.0 0.35 3.5
December 20
 1.0 -5.0 0.00 0.0
December 21
 4.5 -13.0 0.22 1.4
December 22
 7.0 -9.5 0.00 0.0
December 23
 5.0 -3.5 0.35 3.5
December 24
 5.0 -3.5 0.45 4.5
December 25
 -5.0 -11.0 0.10 1.0
December 26
 -6.5 -17.5 0.12 1.2
December 27
 -13.0 -21.0 0.06 0.6
December 28
 0.0 -18.0 1.12 0.0
December 29
 12.0 -3.0 0.68 0.0
December 30
 -6.0 -10.0 0.00 0.0
December 31
 -6.0 -10.0 0.24 2.4
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