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Cornwall Weather in 2019

Historical record of Cornwall, Ontario weather for the year 2019 based on NOAA data.
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Year:
2019 Cornwall Weather Extremes
Highest temperature 34.0 °C August 22
Lowest temperature -23.0 °C January 22
Highest daily low 23.0 °C July 17
Lowest daily high -18.0 °C January 21
Most daily precipitation 7.0 cm October 31
Most daily snow 28.0 cm February 12
Total annual precipitation 114.1 cm -
Total annual snow 234.2 cm -
What was the hottest temperature in Cornwall in 2019?
The highest temperature recorded in Cornwall, Ontario in 2019 was 34.0 °C which happened on August 22.
Highest Temperatures: All-Time By Year
Highest Temperatures in Cornwall in 2019
Rank Temperature Date
1 34.0 °C Aug 22
2 33.0 °C Jul 27
2 33.0 °C Jul 20
2 33.0 °C Jul 5
5 32.0 °C Jul 29
5 32.0 °C Jul 26
5 32.0 °C Jul 19
5 32.0 °C Jul 11
5 32.0 °C Jul 4
5 32.0 °C Jul 3
What was the coldest temperature in Cornwall in 2019?
The lowest temperature recorded in Cornwall, Ontario in 2019 was -23.0 °C which happened on Jan 22.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Cornwall in 2019
Rank Temperature Date
1 -23.0 °C January 22
2 -22.5 °C January 21
3 -22.0 °C January 20
3 -22.0 °C January 19
5 -21.0 °C January 28
6 -20.0 °C December 19
6 -20.0 °C February 27
6 -20.0 °C January 29
6 -20.0 °C January 17
10 -19.5 °C January 13
10 -19.5 °C January 11
January 2019 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
 1.0 -3.0 0.00 0.0
January 2
 -8.5 -15.0 0.70 7.0
January 3
 2.0 -12.0 0.60 6.0
January 4
 3.5 -4.0 0.00 0.0
January 5
 3.0 -5.0 0.10 1.0
January 6
 0.0 -3.0 0.00 0.0
January 7
 4.0 -16.5 0.10 1.0
January 8
 5.0 -11.0 0.11 0.0
January 9
 5.0 -1.5 0.70 7.0
January 10
 -7.0 -8.0 0.00 0.0
January 11
 -13.5 -19.5 0.00 0.0
January 12
 -12.0 -16.5 0.00 0.0
January 13
 -10.0 -19.5 0.00 n/a
January 14
 -5.0 -18.0 0.00 0.0
January 15
 0.0 -9.0 0.30 3.0
January 16
 2.0 -5.0 0.00 0.0
January 17
 -12.0 -20.0 0.10 1.0
January 18
 -6.0 -14.0 0.40 4.0
January 19
 -18.0 -22.0 1.70 17.0
January 20
 -16.0 -22.0 2.00 20.0
January 21
 -18.0 -22.5 0.10 1.0
January 22
 -8.0 -23.0 1.50 15.0
January 23
 7.0 -14.0 1.00 10.0
January 24
 5.0 -7.0 0.70 1.0
January 25
 -1.0 -9.0 0.10 1.0
January 26
 -9.5 -14.0 0.00 0.0
January 27
 0.0 -16.5 0.00 0.0
January 28
 -15.0 -21.0 0.50 5.0
January 29
 -6.0 -20.0 1.20 12.0
January 30
 -10.0 -13.0 0.10 1.0
January 31
 -12.0 -17.0 0.00 0.0
February 2019 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
 -10.0 -19.0 0.00 0.0
February 2
 -4.0 -14.0 0.20 2.0
February 3
 -7.0 -11.0 0.20 2.0
February 4
 9.0 -11.0 0.00 0.0
February 5
 7.0 -5.0 0.00 0.0
February 6
 -6.0 -12.0 0.00 0.0
February 7
 10.0 -9.0 0.00 0.0
February 8
 5.0 -3.0 0.00 0.0
February 9
 -7.0 -11.0 0.00 0.0
February 10
 -6.0 -11.0 0.00 0.0
February 11
 -7.0 -13.0 0.00 0.0
February 12
 -3.5 -16.0 2.80 28.0
February 13
 1.0 -12.5 0.40 4.0
February 14
 -2.5 -5.0 0.00 0.0
February 15
 6.0 -6.5 0.00 0.0
February 16
 -4.0 -4.0 0.00 0.0
February 17
 -7.0 -17.0 0.00 0.0
February 18
 -6.0 -12.0 0.00 0.0
February 19
 -7.5 -17.0 0.00 0.0
February 20
 -3.0 -16.0 0.60 6.0
February 21
 4.0 -7.0 0.00 0.0
February 22
 0.5 -6.5 0.00 0.0
February 23
 3.0 -9.0 0.00 0.0
February 24
 6.0 -3.0 1.02 0.0
February 25
 -5.0 -15.0 0.00 0.0
February 26
 -9.0 -16.0 0.00 0.0
February 27
 -12.0 -20.0 0.00 0.0
February 28
 -7.0 -18.0 0.00 0.0
March 2019 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
 -1.0 -16.0 0.00 0.0
March 2
 2.0 -10.0 0.00 0.0
March 3
 0.0 -5.0 0.20 2.0
March 4
 -4.5 -6.0 0.00 0.0
March 5
 -6.5 -15.0 0.10 1.0
March 6
 -8.0 -16.0 0.00 0.0
March 7
 -7.0 -16.0 0.00 0.0
March 8
 -1.0 -12.0 0.00 0.0
March 9
 1.5 -8.0 0.00 0.0
March 10
 3.5 -4.0 0.86 5.0
March 11
 5.0 1.0 0.00 0.0
March 12
 -0.5 -5.0 0.00 n/a
March 13
 5.0 -4.5 0.70 7.0
March 14
 12.5 -1.5 0.06 0.0
March 15
 11.0 2.0 0.00 0.0
March 16
 1.5 -3.0 0.00 0.0
March 17
 -4.0 -7.5 0.00 0.0
March 18
 0.0 -9.0 0.00 0.0
March 19
 3.0 -10.0 0.00 0.0
March 20
 9.0 -2.0 0.00 0.0
March 21
 9.0 0.0 0.80 0.0
March 22
 3.0 2.0 0.40 0.0
March 23
 1.0 n/a 0.00 0.0
March 24
 6.5 -3.0 0.30 3.0
March 25
 1.0 -9.0 0.00 0.0
March 26
 1.0 -7.0 0.00 0.0
March 27
 8.0 -5.0 0.00 0.0
March 28
 10.0 -0.5 0.50 0.0
March 29
 7.0 4.5 0.06 0.0
March 30
 3.0 -1.0 1.50 0.0
March 31
 1.5 1.0 0.10 1.0
April 2019 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
 3.5 -5.5 0.00 0.0
April 2
 11.0 -2.0 0.00 0.0
April 3
 10.5 3.0 0.00 0.0
April 4
 3.0 -2.0 0.00 0.0
April 5
 5.0 -6.0 0.48 0.0
April 6
 10.5 2.0 0.00 0.0
April 7
 12.0 3.0 0.30 0.0
April 8
 3.0 0.0 0.90 0.0
April 9
 0.0 -1.0 0.60 2.0
April 10
 6.0 -3.0 0.00 0.0
April 11
 7.0 -2.0 0.00 0.0
April 12
 17.0 3.0 0.10 0.0
April 13
 17.0 9.0 0.00 0.0
April 14
 9.0 1.0 1.50 0.0
April 15
 5.0 3.0 0.44 0.0
April 16
 12.0 2.0 0.00 0.0
April 17
 15.0 0.0 0.32 0.0
April 18
 21.0 5.0 0.00 0.0
April 19
 14.0 11.0 4.24 0.0
April 20
 7.5 4.0 0.20 0.0
April 21
 17.0 5.0 0.00 0.0
April 22
 19.5 8.0 0.00 0.0
April 23
 18.5 7.0 0.84 0.0
April 24
 8.0 5.0 0.07 0.0
April 25
 14.0 5.0 0.00 0.0
April 26
 15.5 6.5 0.70 0.0
April 27
 5.5 3.0 0.16 0.0
April 28
 11.0 1.0 0.00 0.0
April 29
 10.0 -1.0 0.00 0.0
April 30
 14.0 4.0 0.00 0.0
May 2019 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
May 1
 6.5 4.0 0.76 0.0
May 2
 9.0 3.0 0.00 0.0
May 3
 12.0 6.0 0.50 0.0
May 4
 15.0 8.0 0.00 0.0
May 5
 20.0 5.0 0.00 0.0
May 6
 23.0 9.0 0.00 0.0
May 7
 18.5 11.0 0.00 0.0
May 8
 14.0 1.5 0.00 0.0
May 9
 16.0 5.0 1.44 0.0
May 10
 21.0 11.0 1.60 0.0
May 11
 14.0 6.0 0.00 0.0
May 12
 16.5 6.0 0.00 0.0
May 13
 16.0 8.5 1.12 0.0
May 14
 11.0 5.0 0.10 0.0
May 15
 15.0 2.5 0.08 0.0
May 16
 16.0 4.5 0.46 0.0
May 17
 16.0 8.5 0.00 0.0
May 18
 17.0 6.0 0.34 0.0
May 19
 19.0 10.0 0.40 0.0
May 20
 23.0 13.0 0.00 0.0
May 21
 17.0 8.0 0.00 0.0
May 22
 20.0 5.0 0.00 0.0
May 23
 21.0 10.0 0.20 0.0
May 24
 17.0 14.0 0.00 0.0
May 25
 21.0 10.0 2.00 0.0
May 26
 24.0 16.0 0.00 0.0
May 27
 17.0 9.0 0.00 0.0
May 28
 13.0 9.0 0.72 0.0
May 29
 18.0 8.0 0.00 0.0
May 30
 22.5 10.0 0.00 0.0
May 31
 17.5 8.0 0.00 0.0
June 2019 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
June 1
 20.0 10.0 0.56 0.0
June 2
 19.0 12.5 0.52 0.0
June 3
 12.5 7.0 0.46 0.0
June 4
 19.0 6.5 0.40 0.0
June 5
 19.0 10.0 0.12 0.0
June 6
 24.0 10.0 0.00 0.0
June 7
 26.5 10.0 0.00 0.0
June 8
 25.0 9.0 0.00 0.0
June 9
 31.0 10.0 0.00 0.0
June 10
 30.0 15.0 2.50 0.0
June 11
 20.0 15.0 0.00 0.0
June 12
 25.0 10.0 0.00 0.0
June 13
 21.0 15.0 0.70 0.0
June 14
 24.0 13.0 0.00 0.0
June 15
 22.0 16.0 0.45 0.0
June 16
 21.0 14.0 0.00 0.0
June 17
 23.5 10.0 0.00 0.0
June 18
 28.0 11.5 0.00 0.0
June 19
 28.0 15.0 0.00 0.0
June 20
 19.0 16.0 1.02 0.0
June 21
 24.0 15.0 0.00 0.0
June 22
 26.0 14.0 0.00 0.0
June 23
 28.0 14.0 0.00 0.0
June 24
 27.0 15.5 0.00 0.0
June 25
 28.0 16.5 0.88 0.0
June 26
 29.5 16.0 0.00 0.0
June 27
 29.5 17.5 0.20 0.0
June 28
 29.0 16.5 0.06 0.0
June 29
 28.0 19.0 1.44 0.0
June 30
 25.0 16.0 0.00 0.0
July 2019 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
July 1
 28.0 15.0 0.00 0.0
July 2
 30.0 19.0 0.00 0.0
July 3
 32.0 19.0 0.00 0.0
July 4
 32.0 19.0 0.00 0.0
July 5
 33.0 21.0 1.20 0.0
July 6
 30.0 23.0 0.25 0.0
July 7
 25.0 13.0 0.00 0.0
July 8
 28.0 12.5 0.00 0.0
July 9
 30.0 16.0 0.00 0.0
July 10
 31.0 17.5 0.00 0.0
July 11
 32.0 21.0 3.14 0.0
July 12
 24.0 19.0 0.00 0.0
July 13
 28.5 17.5 0.00 0.0
July 14
 25.5 18.0 0.00 0.0
July 15
 27.0 14.5 0.00 0.0
July 16
 30.5 16.5 0.00 0.0
July 17
 27.5 23.0 0.08 0.0
July 18
 28.0 16.0 0.00 0.0
July 19
 32.0 20.0 0.00 0.0
July 20
 33.0 22.5 0.68 0.0
July 21
 31.0 22.5 0.00 0.0
July 22
 23.0 17.0 0.00 0.0
July 23
 27.0 15.0 0.00 0.0
July 24
 27.0 12.0 0.00 0.0
July 25
 30.0 15.0 0.00 0.0
July 26
 32.0 17.0 0.00 0.0
July 27
 33.0 17.0 0.00 0.0
July 28
 30.0 21.0 1.70 0.0
July 29
 32.0 21.0 0.00 0.0
July 30
 30.0 22.5 1.34 0.0
July 31
 29.0 20.0 0.00 0.0
August 2019 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
 27.0 15.0 0.00 0.0
August 2
 29.0 14.0 0.00 0.0
August 3
 29.0 16.0 0.00 0.0
August 4
 24.5 14.0 0.00 0.0
August 5
 29.0 12.5 0.00 0.0
August 6
 31.5 16.0 0.14 0.0
August 7
 24.0 20.0 0.22 0.0
August 8
 29.0 20.0 0.60 0.0
August 9
 25.0 17.0 0.98 0.0
August 10
 23.0 14.0 0.08 0.0
August 11
 27.0 13.0 0.00 0.0
August 12
 29.0 18.0 2.90 0.0
August 13
 27.0 17.0 0.00 0.0
August 14
 25.0 14.0 0.00 0.0
August 15
 25.0 11.0 0.00 0.0
August 16
 26.0 16.0 0.00 0.0
August 17
 28.0 19.0 0.00 0.0
August 18
 27.0 17.0 0.00 0.0
August 19
 29.5 20.0 0.00 0.0
August 20
 28.5 15.0 0.00 0.0
August 21
 27.5 18.0 1.74 0.0
August 22
 34.0 20.0 0.00 0.0
August 23
 23.0 12.5 0.00 0.0
August 24
 22.5 11.0 0.00 0.0
August 25
 25.5 10.0 0.00 0.0
August 26
 27.0 11.5 0.00 0.0
August 27
 28.0 13.0 0.60 0.0
August 28
 22.0 19.0 0.92 0.0
August 29
 24.0 19.0 0.80 0.0
August 30
 24.5 14.0 0.00 0.0
August 31
 22.0 13.5 0.00 0.0
September 2019 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
 25.0 10.5 2.40 0.0
September 2
 22.0 16.0 1.40 0.0
September 3
 21.0 12.0 1.00 0.0
September 4
 25.0 17.0 0.30 0.0
September 5
 22.0 9.0 0.00 0.0
September 6
 23.0 13.0 0.00 0.0
September 7
 18.0 12.0 0.10 0.0
September 8
 18.0 11.0 0.00 0.0
September 9
 19.0 6.0 0.00 0.0
September 10
 20.5 6.0 1.04 0.0
September 11
 27.0 16.0 0.00 0.0
September 12
 20.0 12.0 0.00 0.0
September 13
 21.5 6.0 0.76 0.0
September 14
 23.5 15.0 0.00 0.0
September 15
 19.0 14.0 0.00 0.0
September 16
 21.5 8.5 0.00 0.0
September 17
 21.0 7.0 0.00 0.0
September 18
 20.0 7.0 0.00 0.0
September 19
 23.0 6.0 0.00 0.0
September 20
 25.0 12.0 0.00 0.0
September 21
 27.0 14.0 0.00 0.0
September 22
 28.0 16.0 0.10 0.0
September 23
 25.0 21.0 0.96 0.0
September 24
 18.0 14.0 0.00 0.0
September 25
 24.0 10.0 0.00 0.0
September 26
 19.0 14.0 1.90 0.0
September 27
 21.0 10.0 0.00 0.0
September 28
 20.0 16.0 0.70 0.0
September 29
 16.0 6.0 0.00 0.0
September 30
 15.0 6.0 0.58 0.0
October 2019 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
 18.5 9.0 1.80 0.0
October 2
 12.5 12.0 0.00 0.0
October 3
 10.0 4.0 0.52 0.0
October 4
 10.5 5.0 0.00 0.0
October 5
 13.5 0.0 0.00 0.0
October 6
 18.5 5.0 0.10 0.0
October 7
 17.0 12.0 0.00 0.0
October 8
 18.0 8.0 0.00 0.0
October 9
 17.5 2.5 0.00 0.0
October 10
 18.0 5.0 0.00 0.0
October 11
 19.0 5.5 0.00 0.0
October 12
 17.5 6.0 0.00 0.0
October 13
 17.0 5.5 0.00 0.0
October 14
 13.0 7.0 0.00 0.0
October 15
 15.0 4.0 0.00 0.0
October 16
 18.0 5.0 3.90 0.0
October 17
 9.0 7.0 2.60 0.0
October 18
 9.0 7.0 0.00 0.0
October 19
 11.0 1.0 0.00 0.0
October 20
 14.0 0.5 0.00 0.0
October 21
 17.0 1.0 0.00 0.0
October 22
 17.0 9.0 1.60 0.0
October 23
 15.0 10.0 0.00 0.0
October 24
 14.0 8.0 0.00 0.0
October 25
 10.0 6.0 0.00 0.0
October 26
 13.0 3.0 1.26 0.0
October 27
 13.0 6.0 2.84 0.0
October 28
 14.5 9.0 0.00 0.0
October 29
 20.0 4.0 0.00 0.0
October 30
 14.0 12.5 0.36 0.0
October 31
 16.0 9.5 7.00 0.0
November 2019 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
 6.5 2.0 0.00 0.0
November 2
 8.0 -1.5 0.00 0.0
November 3
 8.0 3.0 0.00 0.0
November 4
 11.0 0.0 0.20 0.0
November 5
 10.0 8.0 0.30 0.0
November 6
 6.0 1.0 0.30 0.0
November 7
 n/a n/a 0.40 4.0
November 8
 0.0 -7.0 0.00 0.0
November 9
 5.0 -8.0 0.00 0.0
November 10
 7.0 1.0 0.10 1.0
November 11
 -4.0 -6.0 2.06 20.6
November 12
 -6.0 -8.0 0.00 0.0
November 13
 -5.0 -14.0 0.00 0.0
November 14
 1.0 -10.0 0.00 0.0
November 15
 3.5 -1.5 0.00 0.0
November 16
 -5.0 -14.0 0.00 0.0
November 17
 -1.0 -15.0 0.00 0.0
November 18
 1.5 -10.5 0.00 0.0
November 19
 2.0 -3.0 0.00 0.0
November 20
 3.5 -1.0 0.00 n/a
November 21
 8.0 -3.5 0.00 0.0
November 22
 7.5 0.5 0.14 0.0
November 23
 4.0 -5.0 0.00 0.0
November 24
 4.0 -1.0 0.00 0.0
November 25
 10.0 -1.0 0.00 0.0
November 26
 11.0 3.0 0.00 0.0
November 27
 5.0 -1.0 2.06 1.6
November 28
 1.0 -2.0 0.00 0.0
November 29
 -2.0 -3.0 0.00 0.0
November 30
 -5.0 -10.0 0.00 0.0
December 2019 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
 -5.0 -12.0 0.10 1.0
December 2
 -3.0 -7.0 0.00 0.0
December 3
 0.5 -9.0 0.00 0.0
December 4
 2.0 -4.0 0.00 0.0
December 5
 0.0 -3.0 0.10 1.0
December 6
 -3.0 -5.0 0.20 2.0
December 7
 2.0 -9.0 0.00 0.0
December 8
 5.0 -4.5 0.00 0.0
December 9
 11.0 2.0 0.34 0.0
December 10
 9.5 0.5 0.00 0.0
December 11
 -1.0 -11.0 0.20 2.0
December 12
 -3.0 -8.0 0.00 0.0
December 13
 7.0 -6.5 0.28 0.0
December 14
 3.5 1.5 1.68 1.0
December 15
 -1.0 -5.5 0.00 0.0
December 16
 -3.0 -10.0 0.00 0.0
December 17
 -2.0 -4.0 0.90 9.0
December 18
 -3.0 -7.0 0.40 4.0
December 19
 -15.0 -20.0 0.00 0.0
December 20
 -5.0 -17.0 0.00 0.0
December 21
 n/a -16.0 n/a n/a
December 22
 5.0 -7.0 0.00 0.0
December 23
 8.5 1.0 0.00 0.0
December 24
 -1.0 -4.0 0.00 0.0
December 25
 -1.0 -5.0 0.00 0.0
December 26
 -1.0 -6.0 0.00 0.0
December 27
 7.0 -5.0 0.00 0.0
December 28
 4.0 2.0 0.00 0.0
December 29
 1.5 -4.0 0.00 0.0
December 30
 0.5 -3.5 0.90 9.0
December 31
 2.5 -0.5 0.20 2.0
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