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Cornwall Weather in 2015

Historical record of Cornwall, Ontario weather for the year 2015 based on NOAA data.
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Year:
2015 Cornwall Weather Extremes
Highest temperature 33.5 °C July 29
Lowest temperature -26.0 °C January 14
Highest daily low 22.5 °C August 20
Lowest daily high -19.0 °C February 23
Most daily precipitation 5.0 cm September 12
Most daily snow 14.0 cm February 21
Total annual precipitation 95.0 cm -
Total annual snow 192.5 cm -
What was the hottest temperature in Cornwall in 2015?
The highest temperature recorded in Cornwall, Ontario in 2015 was 33.5 °C which happened on July 29.
Highest Temperatures: All-Time By Year
Highest Temperatures in Cornwall in 2015
Rank Temperature Date
1 33.5 °C Jul 29
2 32.5 °C Sep 7
2 32.5 °C Aug 16
4 32.0 °C Sep 6
4 32.0 °C Aug 19
4 32.0 °C Aug 18
4 32.0 °C Jul 28
8 31.5 °C Aug 17
9 31.0 °C Aug 20
9 31.0 °C Jul 19
What was the coldest temperature in Cornwall in 2015?
The lowest temperature recorded in Cornwall, Ontario in 2015 was -26.0 °C which happened on Jan 14.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Cornwall in 2015
Rank Temperature Date
1 -26.0 °C January 14
2 -25.0 °C February 17
2 -25.0 °C February 16
2 -25.0 °C February 13
5 -23.5 °C January 17
6 -23.0 °C February 24
6 -23.0 °C January 31
6 -23.0 °C January 26
6 -23.0 °C January 13
10 -22.5 °C February 26
10 -22.5 °C February 3
January 2015 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
 -2.0 -8.0 1.10 11.0
January 2
 -6.0 -10.0 0.00 0.0
January 3
 -3.0 -17.5 1.00 10.0
January 4
 5.0 -11.0 1.70 2.0
January 5
 -12.0 -15.0 0.00 0.0
January 6
 n/a n/a n/a n/a
January 7
 n/a n/a n/a n/a
January 8
 n/a n/a n/a n/a
January 9
 -4.0 -9.0 0.20 2.0
January 10
 -5.0 -10.0 0.00 0.0
January 11
 0.0 -13.0 0.20 2.0
January 12
 -1.0 -4.0 0.90 9.0
January 13
 -17.0 -23.0 0.00 0.0
January 14
 -14.0 -26.0 0.00 0.0
January 15
 -1.5 -20.0 0.30 3.0
January 16
 -6.5 -12.0 0.20 2.0
January 17
 -11.0 -23.5 0.00 0.0
January 18
 8.0 -16.5 0.28 0.0
January 19
 1.0 -7.0 0.10 1.0
January 20
 -12.0 -18.0 0.00 0.0
January 21
 -8.0 -18.5 0.00 0.0
January 22
 -5.0 -19.0 0.00 0.0
January 23
 0.5 -10.0 0.00 0.0
January 24
 0.0 -3.5 0.20 2.0
January 25
 -2.5 -15.0 0.00 0.0
January 26
 -13.0 -23.0 0.00 0.0
January 27
 -9.0 -17.0 0.00 0.0
January 28
 -9.0 -17.0 0.00 0.0
January 29
 -2.0 -17.0 0.80 n/a
January 30
 -5.0 -11.0 0.00 0.0
January 31
 n/a -23.0 0.30 3.0
February 2015 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
 -15.0 -18.0 0.50 5.0
February 2
 -18.5 -21.5 1.10 11.0
February 3
 -7.0 -22.5 0.20 2.0
February 4
 -2.0 -8.0 1.40 14.0
February 5
 -12.0 -17.0 0.00 0.0
February 6
 -5.0 -22.0 0.20 2.0
February 7
 -11.0 -13.0 0.70 7.0
February 8
 -13.5 -17.0 0.90 9.0
February 9
 -11.0 -16.5 0.00 0.0
February 10
 -5.0 -13.5 0.00 0.0
February 11
 -11.0 -16.5 1.10 11.0
February 12
 -7.5 -12.5 0.20 2.0
February 13
 -17.0 -25.0 0.30 3.0
February 14
 -12.5 -21.0 0.80 8.0
February 15
 -19.0 -20.0 0.00 0.0
February 16
 -16.0 -25.0 0.00 0.0
February 17
 -12.0 -25.0 0.00 0.0
February 18
 -5.0 -21.0 0.30 3.0
February 19
 -13.0 -17.0 0.60 6.0
February 20
 -13.0 -21.0 0.00 0.0
February 21
 -7.0 -17.0 1.40 14.0
February 22
 -3.0 -17.0 0.60 6.0
February 23
 -19.0 -21.0 0.00 0.0
February 24
 -5.5 -23.0 0.00 0.0
February 25
 -5.0 -7.0 0.00 0.0
February 26
 -10.0 -22.5 0.00 0.0
February 27
 -8.0 -21.0 0.00 0.0
February 28
 -4.0 -16.0 0.00 0.0
March 2015 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
 -1.0 -14.0 0.20 2.0
March 2
 -1.5 -7.5 0.00 0.0
March 3
 0.0 -16.0 0.50 5.0
March 4
 2.5 -6.5 0.00 0.0
March 5
 -10.0 -14.0 0.00 0.0
March 6
 -5.5 -19.5 0.00 0.0
March 7
 -1.5 -10.0 0.00 0.0
March 8
 1.0 -6.0 0.40 4.0
March 9
 5.0 -4.0 0.00 0.0
March 10
 12.0 -3.0 0.00 0.0
March 11
 8.0 4.0 0.00 0.0
March 12
 -3.0 -6.0 0.00 0.0
March 13
 2.0 -11.0 0.10 1.0
March 14
 2.0 -4.0 0.25 2.5
March 15
 1.5 -3.0 0.10 1.0
March 16
 7.0 -7.5 0.00 0.0
March 17
 2.0 -3.0 0.10 0.0
March 18
 -4.0 -11.0 0.00 0.0
March 19
 -1.0 -12.0 0.00 0.0
March 20
 5.5 -9.0 0.00 0.0
March 21
 3.0 0.5 0.00 0.0
March 22
 -8.0 -14.0 0.00 0.0
March 23
 -6.5 -15.0 0.00 n/a
March 24
 1.0 -12.0 0.00 0.0
March 25
 6.0 -8.5 0.00 0.0
March 26
 6.0 1.0 0.38 0.0
March 27
 0.0 -2.5 0.10 1.0
March 28
 -2.0 -11.0 0.00 0.0
March 29
 4.0 -10.0 0.00 0.0
March 30
 5.0 -1.0 0.20 0.0
March 31
 2.0 -5.0 0.00 0.0
April 2015 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
 3.0 -8.0 0.00 0.0
April 2
 15.0 -3.0 0.30 0.0
April 3
 15.0 5.0 0.10 1.0
April 4
 4.0 -3.0 0.00 0.0
April 5
 3.5 -3.0 0.00 0.0
April 6
 3.0 -3.5 0.30 3.0
April 7
 6.0 -3.0 0.00 0.0
April 8
 4.5 -3.5 0.00 0.0
April 9
 9.0 0.0 0.76 0.0
April 10
 14.0 3.0 0.50 0.0
April 11
 10.0 1.5 0.00 0.0
April 12
 18.0 2.0 0.00 0.0
April 13
 25.5 1.0 0.56 0.0
April 14
 17.0 5.0 0.00 0.0
April 15
 14.0 2.5 0.00 0.0
April 16
 18.0 -2.0 0.00 0.0
April 17
 19.0 7.0 0.00 0.0
April 18
 16.0 6.5 0.00 0.0
April 19
 14.0 -1.0 0.02 0.0
April 20
 14.0 5.0 2.65 0.0
April 21
 13.0 5.0 0.10 0.0
April 22
 10.0 3.0 0.58 0.0
April 23
 7.0 2.0 0.00 0.0
April 24
 4.0 1.0 0.00 0.0
April 25
 11.0 -1.0 0.00 0.0
April 26
 11.0 3.0 0.00 0.0
April 27
 14.0 3.5 0.00 0.0
April 28
 19.5 7.0 0.00 0.0
April 29
 18.5 5.5 0.00 0.0
April 30
 18.5 5.0 0.00 0.0
May 2015 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
May 1
 20.0 9.0 0.00 0.0
May 2
 23.0 6.5 0.00 0.0
May 3
 25.0 11.0 0.00 0.0
May 4
 27.5 14.5 0.36 0.0
May 5
 19.5 9.0 0.00 0.0
May 6
 24.5 6.0 0.00 0.0
May 7
 26.5 10.0 0.00 0.0
May 8
 30.0 12.5 0.00 0.0
May 9
 30.0 15.5 0.20 0.0
May 10
 23.0 17.0 0.80 0.0
May 11
 17.0 9.0 0.50 0.0
May 12
 23.0 9.0 0.10 0.0
May 13
 16.0 7.0 0.00 0.0
May 14
 19.0 9.0 0.00 0.0
May 15
 23.0 5.0 0.00 0.0
May 16
 23.0 13.0 0.00 0.0
May 17
 25.0 13.0 0.00 0.0
May 18
 30.5 10.5 0.00 0.0
May 19
 26.0 20.0 0.00 0.0
May 20
 15.5 5.0 0.12 0.0
May 21
 19.0 6.5 0.00 0.0
May 22
 14.0 7.5 0.00 0.0
May 23
 16.0 0.5 0.00 0.0
May 24
 26.0 11.5 0.00 0.0
May 25
 21.0 15.5 1.22 0.0
May 26
 29.0 15.0 0.06 0.0
May 27
 27.0 19.0 0.00 0.0
May 28
 21.0 19.0 0.12 0.0
May 29
 26.5 9.5 0.00 0.0
May 30
 30.0 17.0 1.24 0.0
May 31
 14.0 7.0 1.06 0.0
June 2015 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
June 1
 n/a n/a n/a n/a
June 2
 n/a n/a n/a n/a
June 3
 20.0 4.0 0.00 0.0
June 4
 25.0 7.0 0.00 0.0
June 5
 25.0 16.0 1.00 0.0
June 6
 19.0 8.0 0.00 0.0
June 7
 24.0 7.0 0.84 0.0
June 8
 22.5 17.5 0.90 0.0
June 9
 23.0 15.5 0.92 0.0
June 10
 25.0 14.0 0.60 0.0
June 11
 24.0 15.0 0.00 0.0
June 12
 18.0 15.5 2.72 0.0
June 13
 26.0 13.0 0.00 0.0
June 14
 24.5 14.0 0.10 0.0
June 15
 23.0 15.0 1.08 0.0
June 16
 25.0 17.5 1.33 0.0
June 17
 23.0 10.0 0.00 0.0
June 18
 27.5 14.0 0.18 0.0
June 19
 20.5 11.0 0.00 0.0
June 20
 26.0 8.0 0.00 0.0
June 21
 26.0 17.5 1.00 0.0
June 22
 27.0 16.0 0.18 0.0
June 23
 27.0 17.5 0.40 0.0
June 24
 24.0 13.0 0.20 0.0
June 25
 23.0 13.0 0.00 0.0
June 26
 25.0 11.0 0.00 0.0
June 27
 25.0 11.0 0.20 0.0
June 28
 16.0 13.0 0.92 0.0
June 29
 20.5 12.0 0.00 0.0
June 30
 25.0 12.5 0.40 0.0
July 2015 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
July 1
 23.0 15.5 1.08 0.0
July 2
 22.5 12.0 0.00 0.0
July 3
 24.0 11.0 0.00 0.0
July 4
 25.0 12.0 0.00 0.0
July 5
 27.0 15.0 0.00 0.0
July 6
 29.0 15.0 0.00 0.0
July 7
 30.5 19.5 1.30 0.0
July 8
 23.0 13.5 0.00 0.0
July 9
 22.5 14.0 0.00 0.0
July 10
 27.5 14.0 0.00 0.0
July 11
 29.0 15.5 0.00 0.0
July 12
 29.0 17.5 0.20 0.0
July 13
 30.5 17.0 0.00 0.0
July 14
 28.0 20.0 0.60 0.0
July 15
 21.0 12.0 0.00 0.0
July 16
 24.0 9.0 0.00 0.0
July 17
 25.0 11.0 1.10 0.0
July 18
 28.0 17.5 1.00 0.0
July 19
 31.0 20.0 0.00 0.0
July 20
 28.0 18.5 0.10 0.0
July 21
 26.5 18.0 1.30 0.0
July 22
 22.5 15.0 0.12 0.0
July 23
 25.0 16.0 0.00 0.0
July 24
 25.0 15.0 0.00 0.0
July 25
 27.5 14.0 0.38 0.0
July 26
 28.0 18.5 0.00 0.0
July 27
 30.0 17.5 0.00 0.0
July 28
 32.0 18.5 0.00 0.0
July 29
 33.5 20.0 0.00 0.0
July 30
 29.5 20.0 1.16 0.0
July 31
 27.5 18.5 0.00 0.0
August 2015 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
 26.0 17.5 0.18 0.0
August 2
 29.0 14.5 0.30 0.0
August 3
 25.0 17.0 0.00 0.0
August 4
 26.0 16.0 0.20 0.0
August 5
 24.0 16.0 0.00 0.0
August 6
 24.0 14.0 0.00 0.0
August 7
 22.0 12.0 0.00 0.0
August 8
 25.0 11.0 0.00 0.0
August 9
 26.5 11.0 0.00 0.0
August 10
 29.0 13.5 2.94 0.0
August 11
 23.0 18.0 3.68 0.0
August 12
 21.5 16.5 0.00 0.0
August 13
 25.0 14.5 0.00 0.0
August 14
 27.0 15.0 0.50 0.0
August 15
 28.0 18.0 0.00 0.0
August 16
 32.5 17.5 0.00 0.0
August 17
 31.5 22.5 0.00 0.0
August 18
 32.0 20.5 0.00 0.0
August 19
 32.0 19.5 0.00 0.0
August 20
 31.0 22.5 1.10 0.0
August 21
 25.0 17.0 0.00 0.0
August 22
 25.5 14.5 0.00 0.0
August 23
 28.0 14.0 0.00 0.0
August 24
 29.0 16.0 0.00 0.0
August 25
 26.0 14.0 0.00 0.0
August 26
 24.0 14.0 0.00 0.0
August 27
 22.0 14.0 0.00 0.0
August 28
 23.0 12.0 0.00 0.0
August 29
 25.0 12.0 0.00 0.0
August 30
 26.5 15.0 0.00 0.0
August 31
 26.0 17.0 0.00 0.0
September 2015 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
 27.0 15.0 0.00 0.0
September 2
 27.0 18.0 0.00 0.0
September 3
 26.5 20.0 0.00 0.0
September 4
 26.0 16.5 0.00 0.0
September 5
 29.0 12.5 0.00 0.0
September 6
 32.0 17.5 0.00 0.0
September 7
 32.5 20.0 1.10 0.0
September 8
 28.0 20.0 0.00 0.0
September 9
 28.0 20.0 0.20 0.0
September 10
 23.0 14.0 0.00 0.0
September 11
 24.0 11.0 0.10 0.0
September 12
 17.0 13.5 5.00 0.0
September 13
 22.0 14.0 0.50 0.0
September 14
 22.0 12.0 0.02 0.0
September 15
 26.0 13.0 0.00 0.0
September 16
 29.0 15.0 0.00 0.0
September 17
 28.0 15.0 0.00 0.0
September 18
 30.0 15.0 0.00 0.0
September 19
 29.0 17.0 0.90 0.0
September 20
 18.0 9.0 0.00 0.0
September 21
 20.0 5.0 0.00 0.0
September 22
 21.5 7.0 0.00 0.0
September 23
 22.5 9.0 0.00 0.0
September 24
 20.0 12.5 0.00 0.0
September 25
 17.0 8.0 0.00 0.0
September 26
 18.0 3.5 0.00 0.0
September 27
 24.0 5.0 0.00 0.0
September 28
 22.0 12.0 0.24 0.0
September 29
 24.0 17.5 2.50 0.0
September 30
 13.0 9.0 0.00 0.0
October 2015 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
 15.0 1.0 0.00 0.0
October 2
 13.0 1.0 0.00 0.0
October 3
 13.0 3.0 0.00 0.0
October 4
 16.0 4.5 0.00 0.0
October 5
 16.0 3.0 0.00 0.0
October 6
 16.0 10.0 0.00 0.0
October 7
 18.0 10.0 0.00 0.0
October 8
 13.0 5.0 0.82 0.0
October 9
 8.0 6.0 0.20 0.0
October 10
 11.0 2.0 0.00 0.0
October 11
 18.0 5.0 0.00 0.0
October 12
 23.0 13.5 0.00 0.0
October 13
 19.0 11.0 0.42 0.0
October 14
 11.0 8.0 0.00 0.0
October 15
 14.5 3.0 1.00 0.0
October 16
 12.0 5.0 1.50 0.0
October 17
 6.5 3.0 0.00 0.0
October 18
 4.5 -3.0 0.00 0.0
October 19
 12.0 -5.0 0.16 0.0
October 20
 18.0 5.5 0.00 0.0
October 21
 16.0 4.0 0.36 0.0
October 22
 19.0 5.0 0.00 0.0
October 23
 7.5 1.5 0.00 0.0
October 24
 12.5 -1.5 0.84 0.0
October 25
 12.0 8.5 0.00 0.0
October 26
 8.0 0.0 0.00 0.0
October 27
 12.0 -3.0 0.00 0.0
October 28
 15.0 1.0 2.80 0.0
October 29
 14.0 7.0 0.30 0.0
October 30
 8.0 3.0 0.00 0.0
October 31
 9.0 -2.0 0.30 0.0
November 2015 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
 14.0 5.0 0.24 0.0
November 2
 12.0 9.5 0.00 0.0
November 3
 17.0 7.0 0.00 0.0
November 4
 15.5 1.0 0.00 0.0
November 5
 22.0 7.0 0.00 0.0
November 6
 22.5 13.0 0.28 0.0
November 7
 11.5 6.5 0.12 0.0
November 8
 8.0 0.0 0.00 0.0
November 9
 12.0 4.0 0.00 0.0
November 10
 13.0 -2.0 0.00 0.0
November 11
 11.0 4.0 0.12 0.0
November 12
 11.5 8.0 1.67 0.0
November 13
 9.0 7.5 0.88 0.0
November 14
 3.5 -0.5 0.00 0.0
November 15
 9.0 0.0 0.00 0.0
November 16
 8.0 5.0 0.00 0.0
November 17
 6.0 -5.0 0.00 0.0
November 18
 15.0 -3.0 0.00 0.0
November 19
 17.0 5.0 0.40 0.0
November 20
 9.0 5.0 0.00 0.0
November 21
 10.0 -1.0 0.10 0.0
November 22
 7.0 3.0 0.00 0.0
November 23
 1.0 -7.0 0.00 0.0
November 24
 -1.5 -5.0 0.00 0.0
November 25
 7.0 -3.5 0.00 0.0
November 26
 15.0 0.0 0.00 0.0
November 27
 16.0 13.0 1.12 0.0
November 28
 1.0 -0.5 0.00 0.0
November 29
 0.0 -4.5 0.00 0.0
November 30
 -1.5 -6.5 0.00 0.0
December 2015 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
 7.0 -7.5 0.52 0.0
December 2
 6.0 0.0 0.67 0.0
December 3
 4.5 1.0 0.00 0.0
December 4
 6.0 0.5 0.00 0.0
December 5
 7.0 5.0 0.00 0.0
December 6
 6.0 2.0 0.00 0.0
December 7
 4.0 1.0 0.00 0.0
December 8
 4.0 1.0 0.00 0.0
December 9
 10.0 -1.0 0.20 0.0
December 10
 11.0 4.0 0.00 0.0
December 11
 14.0 7.0 0.00 0.0
December 12
 9.0 6.0 0.00 0.0
December 13
 4.0 0.0 0.22 0.0
December 14
 9.0 1.0 0.96 0.0
December 15
 9.5 4.0 0.00 0.0
December 16
 2.5 0.5 0.20 0.0
December 17
 7.5 0.5 1.00 0.0
December 18
 3.5 3.5 0.00 0.0
December 19
 0.5 -2.0 0.10 1.0
December 20
 -0.5 -6.0 0.00 0.0
December 21
 6.5 -2.5 1.24 0.0
December 22
 6.5 4.0 0.35 0.0
December 23
 18.5 4.0 0.28 0.0
December 24
 19.0 5.5 0.00 0.0
December 25
 8.0 5.0 0.00 0.0
December 26
 4.0 -1.5 0.90 0.0
December 27
 0.0 -1.0 0.60 3.0
December 28
 -7.0 -10.0 0.70 7.0
December 29
 -5.0 -11.0 0.60 6.0
December 30
 0.0 -9.0 0.20 2.0
December 31
 2.0 -5.0 0.30 3.0
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