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Cornwall Weather in 2012

Historical record of Cornwall, Ontario weather for the year 2012 based on NOAA data.
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Year:
2012 Cornwall Weather Extremes
Highest temperature 35.5 °C August 4
Lowest temperature -23.0 °C January 15
Highest daily low 26.0 °C August 5
Lowest daily high -17.0 °C January 14
Most daily precipitation 3.0 cm September 18
Most daily snow 29.0 cm March 1
Total annual precipitation 93.5 cm -
Total annual snow 227.0 cm -
What was the hottest temperature in Cornwall in 2012?
The highest temperature recorded in Cornwall, Ontario in 2012 was 35.5 °C which happened on August 4.
Highest Temperatures: All-Time By Year
Highest Temperatures in Cornwall in 2012
Rank Temperature Date
1 35.5 °C Aug 4
2 34.5 °C Jul 11
3 34.0 °C Jul 14
3 34.0 °C Jul 13
5 33.5 °C Jun 21
5 33.5 °C Jun 20
7 33.0 °C Aug 25
7 33.0 °C Jul 31
7 33.0 °C Jul 23
7 33.0 °C Jul 17
What was the coldest temperature in Cornwall in 2012?
The lowest temperature recorded in Cornwall, Ontario in 2012 was -23.0 °C which happened on Jan 15.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Cornwall in 2012
Rank Temperature Date
1 -23.0 °C January 15
2 -20.0 °C January 22
2 -20.0 °C January 19
4 -19.0 °C January 16
4 -19.0 °C January 4
6 -18.0 °C January 14
7 -17.5 °C January 21
8 -17.0 °C February 12
9 -16.5 °C January 20
10 -16.0 °C January 3
January 2012 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
 7.0 -2.0 0.00 0.0
January 2
 7.0 -2.0 0.00 0.0
January 3
 -15.5 -16.0 0.00 0.0
January 4
 -2.5 -19.0 0.20 2.0
January 5
 -3.0 -6.5 0.20 2.0
January 6
 -6.0 -9.5 0.00 0.0
January 7
 2.0 -9.5 0.20 2.0
January 8
 -3.0 -8.0 0.00 0.0
January 9
 4.0 -9.0 0.40 4.0
January 10
 3.0 -1.0 0.00 n/a
January 11
 -5.0 -12.0 0.00 0.0
January 12
 -1.5 -10.0 1.10 6.0
January 13
 n/a n/a n/a n/a
January 14
 -17.0 -18.0 0.00 0.0
January 15
 -13.0 -23.0 0.00 0.0
January 16
 -5.5 -19.0 0.60 6.0
January 17
 -3.0 -11.5 0.30 3.0
January 18
 -10.0 -11.5 0.00 0.0
January 19
 -1.0 -20.0 0.30 n/a
January 20
 -13.0 -16.5 0.00 0.0
January 21
 -9.5 -17.5 0.00 0.0
January 22
 -7.0 -20.0 0.00 n/a
January 23
 7.0 -13.0 0.00 0.0
January 24
 3.5 1.5 0.00 0.0
January 25
 -3.0 -4.5 0.00 n/a
January 26
 0.0 -11.5 0.00 0.0
January 27
 4.0 -5.0 0.90 3.0
January 28
 3.0 -2.5 0.00 0.0
January 29
 n/a n/a n/a n/a
January 30
 n/a n/a n/a n/a
January 31
 n/a n/a n/a n/a
February 2012 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
 5.0 -7.0 0.00 0.0
February 2
 -3.0 -6.0 0.00 0.0
February 3
 -1.0 -11.0 0.00 0.0
February 4
 -4.0 -10.0 0.00 0.0
February 5
 1.5 -15.0 0.00 0.0
February 6
 5.5 -3.5 0.00 0.0
February 7
 -4.0 -6.0 0.00 0.0
February 8
 -0.5 -12.0 0.00 0.0
February 9
 4.0 -5.0 0.00 0.0
February 10
 1.5 -1.0 0.15 1.5
February 11
 -9.5 -13.5 0.10 1.0
February 12
 -4.0 -17.0 0.00 0.0
February 13
 1.0 -12.0 0.00 n/a
February 14
 4.0 -5.0 0.15 1.5
February 15
 3.0 -0.5 0.00 0.0
February 16
 5.0 1.0 0.00 0.0
February 17
 5.0 1.5 0.00 0.0
February 18
 2.0 -1.0 0.00 0.0
February 19
 -1.0 -7.0 0.00 0.0
February 20
 1.5 -11.0 0.00 n/a
February 21
 4.0 -5.0 0.00 0.0
February 22
 n/a n/a n/a n/a
February 23
 3.5 0.0 0.00 0.0
February 24
 1.0 -3.0 2.10 21.0
February 25
 -2.0 -5.0 2.30 23.0
February 26
 -5.0 -11.0 0.00 0.0
February 27
 2.0 -10.5 0.20 2.0
February 28
 -3.5 -8.5 0.00 0.0
February 29
 -2.0 -12.5 1.90 19.0
March 2012 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
 -2.5 -5.5 2.90 29.0
March 2
 3.0 -5.0 0.00 0.0
March 3
 7.0 -5.0 0.00 0.0
March 4
 -6.0 -6.5 0.00 0.0
March 5
 -8.0 -15.5 0.00 0.0
March 6
 -1.0 -15.0 0.00 0.0
March 7
 15.5 -5.0 0.00 0.0
March 8
 16.0 9.0 1.50 0.0
March 9
 4.0 -5.0 1.70 17.0
March 10
 -1.0 -9.0 0.00 n/a
March 11
 12.0 -6.0 0.00 0.0
March 12
 15.0 4.0 0.20 0.0
March 13
 16.0 5.0 0.10 0.0
March 14
 7.0 5.0 0.10 0.0
March 15
 6.0 0.0 1.00 0.0
March 16
 7.0 2.0 0.80 0.0
March 17
 12.0 1.0 0.00 0.0
March 18
 24.0 2.0 0.00 0.0
March 19
 24.0 12.0 0.00 0.0
March 20
 25.0 6.0 0.00 0.0
March 21
 26.0 10.0 0.00 0.0
March 22
 25.0 12.0 0.00 0.0
March 23
 18.0 9.5 0.00 0.0
March 24
 5.5 4.0 0.00 0.0
March 25
 11.5 4.5 0.00 0.0
March 26
 2.0 -4.5 0.00 0.0
March 27
 4.5 -7.5 0.00 0.0
March 28
 8.5 0.5 0.00 0.0
March 29
 5.0 2.0 0.00 0.0
March 30
 6.0 -4.5 0.00 0.0
March 31
 9.0 0.0 0.00 0.0
April 2012 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
 6.5 -1.5 0.00 0.0
April 2
 10.0 0.0 0.00 0.0
April 3
 10.0 -1.0 0.00 0.0
April 4
 12.0 0.0 0.08 0.0
April 5
 8.0 0.0 0.00 0.0
April 6
 10.0 -2.0 0.00 0.0
April 7
 12.0 0.0 0.00 0.0
April 8
 14.0 0.0 0.20 0.0
April 9
 10.0 6.0 0.92 0.0
April 10
 8.0 5.0 0.66 0.0
April 11
 10.0 7.0 0.32 0.0
April 12
 12.5 4.0 0.00 0.0
April 13
 16.0 2.0 0.00 0.0
April 14
 16.0 5.0 0.00 0.0
April 15
 18.0 11.0 0.00 0.0
April 16
 28.5 13.0 0.32 0.0
April 17
 13.5 9.0 0.00 0.0
April 18
 12.5 2.0 0.00 0.0
April 19
 22.0 2.0 0.00 0.0
April 20
 12.5 7.5 0.00 0.0
April 21
 7.0 5.5 1.86 0.0
April 22
 7.0 2.0 1.30 3.0
April 23
 6.0 0.0 1.30 0.0
April 24
 9.0 4.0 0.20 0.0
April 25
 9.0 3.0 0.20 0.0
April 26
 12.0 1.0 0.40 0.0
April 27
 3.0 0.0 0.00 0.0
April 28
 8.0 -2.0 0.00 0.0
April 29
 10.5 0.0 0.00 0.0
April 30
 14.5 -1.0 0.88 0.0
May 2012 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
May 1
 10.5 7.0 0.24 0.0
May 2
 17.0 8.5 0.24 0.0
May 3
 16.0 11.5 0.66 0.0
May 4
 20.5 13.0 0.00 0.0
May 5
 15.0 6.0 0.00 0.0
May 6
 18.0 3.5 0.00 0.0
May 7
 22.5 3.5 0.36 0.0
May 8
 15.0 11.5 1.31 0.0
May 9
 20.5 13.0 0.00 0.0
May 10
 10.5 7.0 0.14 0.0
May 11
 18.5 7.0 0.00 0.0
May 12
 24.5 6.0 0.58 0.0
May 13
 22.0 13.5 0.04 0.0
May 14
 25.0 7.0 0.00 0.0
May 15
 22.0 15.0 0.00 0.0
May 16
 22.0 12.0 0.00 0.0
May 17
 17.0 5.5 0.00 0.0
May 18
 22.0 6.0 0.00 0.0
May 19
 28.0 10.0 0.00 0.0
May 20
 32.0 13.0 0.00 0.0
May 21
 30.0 15.5 0.80 0.0
May 22
 23.5 17.5 2.80 0.0
May 23
 22.0 13.5 0.00 0.0
May 24
 30.0 15.0 0.00 0.0
May 25
 29.0 18.0 0.00 0.0
May 26
 26.0 16.0 0.00 0.0
May 27
 23.5 14.0 0.00 0.0
May 28
 23.5 14.5 0.80 0.0
May 29
 32.0 12.0 0.48 0.0
May 30
 25.5 15.0 0.00 0.0
May 31
 19.5 12.5 0.00 0.0
June 2012 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
June 1
 19.0 8.5 1.82 0.0
June 2
 16.0 12.0 0.32 0.0
June 3
 19.0 9.0 1.02 0.0
June 4
 16.0 11.0 0.10 0.0
June 5
 23.0 11.0 0.00 0.0
June 6
 22.0 12.0 0.00 0.0
June 7
 25.0 12.0 0.30 0.0
June 8
 25.0 14.0 0.75 0.0
June 9
 25.0 12.0 0.00 0.0
June 10
 28.0 16.0 0.00 0.0
June 11
 32.0 17.5 0.34 0.0
June 12
 24.0 19.5 1.88 0.0
June 13
 21.0 15.5 0.00 0.0
June 14
 22.5 9.5 0.00 0.0
June 15
 25.5 11.0 0.00 0.0
June 16
 27.5 13.0 0.00 0.0
June 17
 29.5 16.5 0.00 0.0
June 18
 30.0 19.0 0.00 0.0
June 19
 29.0 18.0 0.00 0.0
June 20
 33.5 22.5 0.00 0.0
June 21
 33.5 22.5 0.00 0.0
June 22
 29.0 21.5 0.00 0.0
June 23
 27.0 16.0 0.00 0.0
June 24
 28.5 14.5 0.60 0.0
June 25
 19.0 16.0 0.30 0.0
June 26
 18.0 12.0 0.45 0.0
June 27
 24.0 14.0 0.00 0.0
June 28
 29.5 14.0 0.10 0.0
June 29
 31.0 19.0 0.00 0.0
June 30
 31.0 19.0 0.00 0.0
July 2012 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
July 1
 27.0 19.0 0.00 0.0
July 2
 30.0 16.0 0.00 0.0
July 3
 30.0 14.5 0.38 0.0
July 4
 31.0 20.0 0.00 0.0
July 5
 27.0 15.5 0.00 0.0
July 6
 31.5 17.5 0.10 0.0
July 7
 30.0 22.0 0.00 0.0
July 8
 26.0 17.5 0.00 0.0
July 9
 25.5 14.0 0.00 0.0
July 10
 29.0 14.0 0.00 0.0
July 11
 34.5 14.0 0.00 0.0
July 12
 32.5 20.0 0.00 0.0
July 13
 34.0 18.5 0.00 0.0
July 14
 34.0 21.5 0.00 0.0
July 15
 30.5 20.0 0.20 0.0
July 16
 32.0 20.0 0.50 0.0
July 17
 33.0 21.0 0.50 0.0
July 18
 26.0 19.0 0.00 0.0
July 19
 25.0 13.0 0.00 0.0
July 20
 27.0 13.0 0.00 0.0
July 21
 29.0 12.0 0.00 0.0
July 22
 31.0 17.0 0.00 0.0
July 23
 33.0 21.5 2.36 0.0
July 24
 25.5 20.0 0.00 0.0
July 25
 26.0 14.0 0.12 0.0
July 26
 21.0 18.0 0.22 0.0
July 27
 28.0 18.0 0.00 0.0
July 28
 27.0 16.0 0.00 0.0
July 29
 30.0 14.0 0.00 0.0
July 30
 32.0 16.0 0.00 0.0
July 31
 33.0 19.0 0.00 0.0
August 2012 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
 n/a n/a n/a n/a
August 2
 n/a n/a n/a n/a
August 3
 30.0 22.0 0.00 0.0
August 4
 35.5 19.5 0.00 0.0
August 5
 32.0 26.0 0.40 0.0
August 6
 25.0 17.0 0.00 0.0
August 7
 30.0 16.0 0.00 0.0
August 8
 30.0 18.0 0.00 0.0
August 9
 25.0 18.0 0.93 0.0
August 10
 23.0 18.0 0.50 0.0
August 11
 28.0 19.0 1.96 0.0
August 12
 27.0 18.0 0.00 0.0
August 13
 27.0 18.5 0.00 0.0
August 14
 27.0 18.0 1.02 0.0
August 15
 27.0 17.5 0.00 0.0
August 16
 27.5 16.5 0.00 0.0
August 17
 25.0 17.5 0.00 0.0
August 18
 22.0 13.0 0.00 0.0
August 19
 26.0 13.0 0.00 0.0
August 20
 25.5 13.0 0.00 0.0
August 21
 25.5 13.5 0.00 0.0
August 22
 28.5 14.5 0.00 0.0
August 23
 29.5 17.0 0.00 0.0
August 24
 30.0 16.5 0.00 0.0
August 25
 33.0 18.0 0.00 0.0
August 26
 31.0 19.0 0.00 0.0
August 27
 27.0 21.0 0.10 0.0
August 28
 26.0 20.0 0.00 0.0
August 29
 25.0 14.0 0.00 0.0
August 30
 29.0 14.0 0.00 0.0
August 31
 26.0 20.0 0.10 0.0
September 2012 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
 26.0 13.0 1.00 0.0
September 2
 27.0 13.0 0.00 0.0
September 3
 30.0 11.5 0.00 0.0
September 4
 25.0 16.5 2.84 0.0
September 5
 27.0 17.0 0.00 0.0
September 6
 29.0 18.5 0.00 0.0
September 7
 27.0 15.0 0.00 0.0
September 8
 28.0 19.5 1.02 0.0
September 9
 20.0 10.0 0.00 0.0
September 10
 17.5 9.0 0.00 0.0
September 11
 23.0 7.0 0.00 0.0
September 12
 27.5 13.0 0.00 0.0
September 13
 28.5 14.0 0.00 0.0
September 14
 28.5 16.0 1.22 0.0
September 15
 18.0 12.5 0.00 0.0
September 16
 18.0 5.0 0.00 0.0
September 17
 26.0 12.0 0.00 0.0
September 18
 21.0 16.0 3.00 0.0
September 19
 16.0 8.0 0.00 0.0
September 20
 21.0 4.0 0.20 0.0
September 21
 17.0 14.0 1.40 0.0
September 22
 20.0 15.0 0.20 0.0
September 23
 15.0 9.0 0.00 0.0
September 24
 17.0 5.5 0.00 0.0
September 25
 20.0 10.0 0.00 0.0
September 26
 21.5 14.0 0.00 0.0
September 27
 15.5 5.0 0.00 0.0
September 28
 18.0 3.5 n/a n/a
September 29
 16.0 6.5 0.12 0.0
September 30
 12.0 10.0 2.70 0.0
October 2012 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
 16.0 11.0 0.00 0.0
October 2
 18.5 11.0 0.00 0.0
October 3
 21.5 11.5 0.00 0.0
October 4
 21.0 16.0 0.00 0.0
October 5
 21.0 13.5 1.70 0.0
October 6
 15.0 8.0 0.18 0.0
October 7
 11.0 3.5 0.00 0.0
October 8
 13.0 2.0 0.00 0.0
October 9
 16.0 2.0 0.00 0.0
October 10
 16.0 10.0 0.23 0.0
October 11
 10.0 5.0 0.15 0.0
October 12
 7.0 3.0 0.00 0.0
October 13
 11.0 -1.0 1.80 0.0
October 14
 16.5 5.0 0.74 0.0
October 15
 20.0 7.5 0.00 0.0
October 16
 8.0 4.5 0.00 0.0
October 17
 15.0 1.5 0.14 0.0
October 18
 21.5 3.5 0.53 0.0
October 19
 13.0 10.0 2.74 0.0
October 20
 16.0 12.0 0.12 0.0
October 21
 14.0 8.5 0.00 0.0
October 22
 15.0 9.0 0.00 0.0
October 23
 13.0 4.0 0.00 0.0
October 24
 12.0 3.5 0.00 0.0
October 25
 14.0 8.0 0.00 0.0
October 26
 22.5 6.5 0.00 0.0
October 27
 15.0 12.0 0.00 0.0
October 28
 10.0 7.5 0.00 0.0
October 29
 16.0 8.0 0.10 0.0
October 30
 20.0 13.0 0.00 0.0
October 31
 12.0 8.0 0.40 0.0
November 2012 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
 10.0 3.0 0.62 0.0
November 2
 5.0 3.0 0.30 0.0
November 3
 5.0 2.0 0.00 0.0
November 4
 3.0 2.0 0.00 0.0
November 5
 2.0 -2.5 0.00 0.0
November 6
 1.5 -5.0 0.00 0.0
November 7
 3.5 -6.0 0.00 0.0
November 8
 5.0 -4.5 0.00 0.0
November 9
 5.0 -4.0 0.00 0.0
November 10
 6.0 -0.5 0.20 0.0
November 11
 9.0 1.5 0.00 0.0
November 12
 23.0 0.0 0.78 0.0
November 13
 6.5 3.5 0.00 0.0
November 14
 4.5 -4.0 0.00 0.0
November 15
 3.5 -4.0 0.00 0.0
November 16
 5.5 -6.0 0.00 0.0
November 17
 5.5 -2.5 0.00 0.0
November 18
 5.0 -6.5 0.00 0.0
November 19
 6.0 -6.0 0.00 0.0
November 20
 5.0 -4.0 0.00 0.0
November 21
 8.0 -3.0 0.00 0.0
November 22
 14.0 -2.0 0.00 0.0
November 23
 15.0 4.0 0.40 0.0
November 24
 2.0 0.0 0.30 0.0
November 25
 -1.0 -5.0 0.50 5.0
November 26
 -2.0 -6.5 0.00 0.0
November 27
 2.0 -6.5 0.00 0.0
November 28
 1.0 -8.0 0.00 0.0
November 29
 0.0 -5.0 0.00 0.0
November 30
 -7.0 -14.0 0.00 0.0
December 2012 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
 -0.5 -11.0 0.00 0.0
December 2
 10.0 -6.0 1.24 0.0
December 3
 5.0 2.0 0.00 0.0
December 4
 19.0 2.5 1.34 0.0
December 5
 3.0 -1.0 0.00 0.0
December 6
 -1.0 -6.0 0.00 0.0
December 7
 4.0 -3.5 0.20 0.0
December 8
 3.5 1.5 0.54 0.0
December 9
 0.0 -4.0 0.55 2.0
December 10
 6.0 -4.0 0.50 0.0
December 11
 0.0 -10.0 0.00 0.0
December 12
 7.0 -12.0 0.00 0.0
December 13
 5.0 -4.0 0.00 0.0
December 14
 5.0 2.0 0.00 0.0
December 15
 -3.0 -8.0 0.00 0.0
December 16
 n/a n/a n/a n/a
December 17
 1.5 -5.0 1.90 0.0
December 18
 1.0 0.0 0.32 0.0
December 19
 2.0 0.0 0.00 0.0
December 20
 1.0 -4.5 0.30 3.0
December 21
 0.5 -1.0 0.90 9.0
December 22
 -4.0 -6.0 0.60 6.0
December 23
 -4.0 -8.5 0.30 3.0
December 24
 -5.5 -10.0 0.00 0.0
December 25
 -7.0 -10.5 0.00 0.0
December 26
 -6.5 -15.0 2.50 25.0
December 27
 -3.5 -10.5 1.70 17.0
December 28
 -7.0 -10.0 0.00 0.0
December 29
 -9.0 -14.5 1.00 10.0
December 30
 -5.0 -13.5 0.10 1.0
December 31
 n/a n/a n/a n/a
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