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Cornwall Weather in 1991

Historical record of Cornwall, Ontario weather for the year 1991 based on NOAA data.
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Year:
1991 Cornwall Weather Extremes
Highest temperature 34.5 °C July 20
Lowest temperature -25.0 °C January 25
Highest daily low 24.0 °C July 20
Lowest daily high -15.0 °C January 8
Most daily precipitation 2.9 cm April 21
Most daily snow 22.6 cm January 11
Total annual precipitation 87.0 cm -
Total annual snow 164.8 cm -
What was the hottest temperature in Cornwall in 1991?
The highest temperature recorded in Cornwall, Ontario in 1991 was 34.5 °C which happened on July 20.
Highest Temperatures: All-Time By Year
Highest Temperatures in Cornwall in 1991
Rank Temperature Date
1 34.5 °C Jul 20
2 34.0 °C Jul 19
3 33.5 °C Jun 28
4 32.5 °C Aug 30
4 32.5 °C Jul 18
6 31.5 °C Aug 29
6 31.5 °C Aug 28
6 31.5 °C Aug 17
6 31.5 °C Jul 30
6 31.5 °C Jun 27
What was the coldest temperature in Cornwall in 1991?
The lowest temperature recorded in Cornwall, Ontario in 1991 was -25.0 °C which happened on Jan 25.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Cornwall in 1991
Rank Temperature Date
1 -25.0 °C January 25
2 -23.5 °C January 22
3 -22.0 °C January 21
3 -22.0 °C January 8
5 -21.0 °C February 16
5 -21.0 °C January 11
7 -20.0 °C December 19
7 -20.0 °C February 2
9 -19.0 °C December 17
10 -18.5 °C February 18
10 -18.5 °C January 9
January 1991 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
 0.5 -16.5 0.00 0.0
January 2
 0.5 -4.0 0.10 1.0
January 3
 -6.0 -15.0 0.00 0.0
January 4
 -2.5 -8.0 0.00 0.0
January 5
 -1.0 -7.0 0.72 7.2
January 6
 -2.0 -5.0 0.00 0.0
January 7
 -11.0 -15.0 0.00 0.0
January 8
 -15.0 -22.0 0.00 0.0
January 9
 -3.5 -18.5 0.56 5.6
January 10
 n/a -17.0 0.00 0.0
January 11
 -11.0 -21.0 2.26 22.6
January 12
 -8.5 -17.5 0.58 5.8
January 13
 -3.5 -13.5 0.00 0.0
January 14
 2.0 -10.0 0.20 2.0
January 15
 3.5 -1.5 0.00 0.0
January 16
 1.5 -5.0 1.86 2.0
January 17
 1.0 0.0 0.02 0.2
January 18
 0.5 -5.0 0.12 1.2
January 19
 6.0 -14.0 0.42 1.2
January 20
 3.0 -10.0 0.00 0.0
January 21
 -14.0 -22.0 0.00 0.0
January 22
 -10.0 -23.5 0.00 0.0
January 23
 -1.0 -18.0 0.00 0.0
January 24
 -6.0 -12.0 0.00 0.0
January 25
 -11.5 -25.0 0.00 0.0
January 26
 -4.5 -15.0 0.20 2.0
January 27
 1.0 -7.5 0.04 0.4
January 28
 2.0 -3.0 0.00 0.0
January 29
 -7.5 -12.0 0.60 6.0
January 30
 -5.5 -11.5 0.24 2.4
January 31
 n/a -15.0 0.08 0.8
February 1991 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
 -13.5 -18.0 0.00 0.0
February 2
 6.0 -20.0 0.00 0.0
February 3
 8.0 2.0 0.00 0.0
February 4
 10.5 5.0 0.00 0.0
February 5
 9.0 4.0 0.00 0.0
February 6
 3.0 1.0 0.17 0.0
February 7
 2.5 0.5 0.06 0.0
February 8
 5.0 -0.5 0.00 0.0
February 9
 5.0 -1.0 0.00 0.0
February 10
 -3.0 -5.0 0.00 0.0
February 11
 -9.0 -12.0 0.00 0.0
February 12
 -6.5 -17.5 0.24 2.4
February 13
 -3.0 -9.0 0.30 3.0
February 14
 -3.0 -8.0 1.06 10.6
February 15
 -3.0 -12.0 0.20 2.0
February 16
 -6.0 -21.0 0.10 1.0
February 17
 -2.5 -13.0 0.02 0.2
February 18
 -3.0 -18.5 0.34 3.4
February 19
 8.0 -7.0 0.74 0.0
February 20
 4.5 0.5 0.00 0.0
February 21
 5.0 -0.5 n/a 0.0
February 22
 5.0 2.5 n/a 0.0
February 23
 -10.0 -18.0 0.00 0.0
February 24
 -4.0 -12.0 0.20 2.0
February 25
 -3.5 -14.0 0.00 0.0
February 26
 -1.0 -14.5 0.10 1.0
February 27
 -2.5 -7.5 0.00 0.0
February 28
 0.5 -8.5 0.34 3.4
March 1991 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
 2.5 -3.0 0.00 0.0
March 2
 15.0 0.0 1.76 0.0
March 3
 0.5 -4.0 1.92 4.0
March 4
 -1.0 -4.5 n/a n/a
March 5
 -2.0 -6.0 0.00 0.0
March 6
 10.0 -6.0 0.32 0.0
March 7
 4.5 -8.0 0.15 1.5
March 8
 -5.5 -15.0 0.00 0.0
March 9
 -2.0 -11.0 0.00 0.0
March 10
 -3.0 -10.0 0.00 0.0
March 11
 -4.0 -11.0 0.00 0.0
March 12
 1.5 -7.0 0.00 0.0
March 13
 4.5 -5.5 0.00 0.0
March 14
 5.0 -3.0 0.00 0.0
March 15
 6.0 0.0 0.00 0.0
March 16
 9.5 -1.0 0.00 0.0
March 17
 10.5 -1.5 0.00 0.0
March 18
 3.0 -1.0 0.76 0.0
March 19
 10.5 1.0 0.00 0.0
March 20
 2.5 -1.5 0.00 0.0
March 21
 1.5 -6.0 0.00 0.0
March 22
 4.0 -3.0 0.00 0.0
March 23
 1.5 -2.0 1.08 0.0
March 24
 2.0 0.5 0.53 0.5
March 25
 4.0 0.0 0.04 0.0
March 26
 8.0 1.0 0.00 0.0
March 27
 16.0 1.0 0.84 0.0
March 28
 12.5 6.0 0.24 1.4
March 29
 4.5 -0.5 0.00 0.0
March 30
 0.5 -6.5 0.00 0.0
March 31
 6.0 -6.0 0.00 0.0
April 1991 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
 8.0 -1.5 0.64 0.0
April 2
 6.0 1.5 0.16 0.0
April 3
 9.5 -3.5 0.00 0.0
April 4
 17.0 3.5 0.00 0.0
April 5
 12.5 7.0 0.32 0.0
April 6
 19.0 9.0 0.02 0.0
April 7
 24.5 13.0 0.00 0.0
April 8
 20.5 13.0 2.81 0.0
April 9
 7.5 5.0 2.16 0.0
April 10
 12.0 4.0 0.24 0.0
April 11
 7.0 0.0 0.00 0.0
April 12
 8.0 -1.5 0.00 0.0
April 13
 11.0 0.5 0.00 0.0
April 14
 14.5 -1.5 0.00 0.0
April 15
 11.5 7.0 1.44 0.0
April 16
 13.0 7.0 0.23 0.0
April 17
 8.0 3.0 0.19 0.0
April 18
 11.5 4.5 0.00 0.0
April 19
 15.5 3.5 0.00 0.0
April 20
 n/a 4.0 1.28 0.0
April 21
 7.0 4.0 2.93 0.0
April 22
 10.5 3.0 0.58 0.0
April 23
 15.0 4.5 0.00 0.0
April 24
 20.0 6.0 0.00 0.0
April 25
 19.5 4.5 0.00 0.0
April 26
 22.0 8.5 0.00 0.0
April 27
 18.0 10.5 0.00 0.0
April 28
 16.0 4.0 0.00 0.0
April 29
 22.0 5.0 0.04 0.0
April 30
 23.0 10.5 0.44 0.0
May 1991 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
May 1
 22.0 10.0 0.54 0.0
May 2
 16.0 9.0 0.38 0.0
May 3
 14.0 5.5 0.00 0.0
May 4
 15.0 2.0 0.00 0.0
May 5
 17.5 3.0 0.48 0.0
May 6
 15.5 7.5 1.63 0.0
May 7
 16.5 8.5 0.15 0.0
May 8
 14.5 7.5 0.00 0.0
May 9
 18.5 4.0 0.00 0.0
May 10
 22.0 8.0 0.00 0.0
May 11
 27.5 10.0 0.00 0.0
May 12
 25.5 16.5 0.00 0.0
May 13
 28.0 8.0 0.00 0.0
May 14
 15.5 11.5 0.00 0.0
May 15
 23.5 5.0 0.00 0.0
May 16
 30.5 16.0 0.00 0.0
May 17
 20.0 7.0 2.06 0.0
May 18
 15.0 2.0 0.00 0.0
May 19
 20.0 3.0 0.00 0.0
May 20
 23.5 6.5 0.00 0.0
May 21
 25.0 11.5 0.00 0.0
May 22
 26.5 15.5 0.00 0.0
May 23
 29.5 11.5 0.00 0.0
May 24
 30.5 20.5 0.00 0.0
May 25
 23.5 14.0 0.12 0.0
May 26
 18.5 13.0 2.51 0.0
May 27
 26.5 16.0 0.00 0.0
May 28
 25.5 18.0 0.00 0.0
May 29
 23.0 17.0 0.02 0.0
May 30
 22.5 12.0 0.30 0.0
May 31
 24.5 15.0 0.04 0.0
June 1991 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
June 1
 25.5 14.0 0.00 0.0
June 2
 25.5 12.0 0.00 0.0
June 3
 22.5 13.0 0.00 0.0
June 4
 21.5 10.5 0.00 0.0
June 5
 19.5 11.5 0.00 0.0
June 6
 25.0 9.5 0.00 0.0
June 7
 28.0 13.5 0.00 0.0
June 8
 26.5 15.0 0.00 0.0
June 9
 26.0 8.5 0.00 0.0
June 10
 29.5 17.0 0.00 0.0
June 11
 26.0 21.0 0.00 0.0
June 12
 23.0 14.0 1.08 0.0
June 13
 21.0 7.5 0.00 0.0
June 14
 25.0 9.0 0.00 0.0
June 15
 25.5 9.0 0.06 0.0
June 16
 16.0 14.5 0.80 0.0
June 17
 26.0 14.5 0.00 0.0
June 18
 31.0 14.5 0.00 0.0
June 19
 30.5 18.0 0.00 0.0
June 20
 29.0 19.0 0.00 0.0
June 21
 23.5 18.5 0.00 0.0
June 22
 n/a 11.5 0.00 0.0
June 23
 26.5 10.0 0.00 0.0
June 24
 28.0 12.0 0.00 0.0
June 25
 29.0 13.5 0.00 0.0
June 26
 30.5 17.0 0.00 0.0
June 27
 31.5 21.0 0.00 0.0
June 28
 33.5 22.0 0.06 0.0
June 29
 19.5 16.5 0.04 0.0
June 30
 25.5 14.5 0.00 0.0
July 1991 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
July 1
 25.0 10.5 0.00 0.0
July 2
 27.0 11.5 0.00 0.0
July 3
 30.5 12.0 0.00 0.0
July 4
 29.5 16.5 0.92 0.0
July 5
 21.5 18.0 0.12 0.0
July 6
 29.5 17.0 0.00 0.0
July 7
 30.0 19.5 0.00 0.0
July 8
 25.5 19.5 0.76 0.0
July 9
 24.0 11.0 0.00 0.0
July 10
 25.0 13.5 0.00 0.0
July 11
 26.0 13.0 0.13 0.0
July 12
 28.5 15.0 0.00 0.0
July 13
 23.5 16.5 0.16 0.0
July 14
 28.5 14.5 0.00 0.0
July 15
 30.0 13.5 0.00 0.0
July 16
 30.0 17.0 0.00 0.0
July 17
 31.0 19.5 0.70 0.0
July 18
 32.5 19.5 0.00 0.0
July 19
 34.0 21.5 0.00 0.0
July 20
 34.5 24.0 0.00 0.0
July 21
 25.5 19.0 0.42 0.0
July 22
 27.5 16.5 0.40 0.0
July 23
 31.0 18.5 0.00 0.0
July 24
 28.0 16.5 0.00 0.0
July 25
 31.0 17.0 0.00 0.0
July 26
 27.0 15.5 0.00 0.0
July 27
 26.0 14.0 0.00 0.0
July 28
 27.5 13.0 0.00 0.0
July 29
 30.5 14.5 0.00 0.0
July 30
 31.5 18.5 1.16 0.0
July 31
 27.0 18.0 0.00 0.0
August 1991 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
August 1
 30.0 20.0 0.00 0.0
August 2
 28.0 18.5 0.00 0.0
August 3
 29.5 16.0 0.00 0.0
August 4
 21.5 17.5 1.94 0.0
August 5
 21.5 15.5 0.18 0.0
August 6
 25.5 14.0 0.00 0.0
August 7
 28.5 15.5 0.00 0.0
August 8
 28.5 15.0 0.00 0.0
August 9
 22.0 18.0 1.24 0.0
August 10
 22.5 16.0 0.32 0.0
August 11
 25.5 15.5 0.32 0.0
August 12
 30.0 14.5 0.00 0.0
August 13
 30.5 18.0 0.00 0.0
August 14
 31.0 18.5 0.00 0.0
August 15
 30.0 19.5 0.00 0.0
August 16
 28.5 20.0 0.80 0.0
August 17
 31.5 18.0 0.56 0.0
August 18
 24.0 19.0 0.42 0.0
August 19
 21.5 15.0 0.00 0.0
August 20
 25.0 11.5 1.90 0.0
August 21
 20.0 17.0 2.84 0.0
August 22
 26.5 16.0 0.40 0.0
August 23
 21.5 14.0 0.00 0.0
August 24
 22.0 10.5 0.00 0.0
August 25
 27.0 9.0 0.00 0.0
August 26
 29.5 19.0 0.00 0.0
August 27
 31.0 23.0 0.00 0.0
August 28
 31.5 21.5 0.00 0.0
August 29
 31.5 17.0 0.00 0.0
August 30
 32.5 19.0 1.30 0.0
August 31
 19.5 16.5 0.00 0.0
September 1991 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
September 1
 18.5 6.0 0.00 0.0
September 2
 22.5 8.0 0.00 0.0
September 3
 28.0 12.0 0.26 0.0
September 4
 22.0 17.0 0.28 0.0
September 5
 25.5 13.5 0.00 0.0
September 6
 26.5 14.5 0.00 0.0
September 7
 25.5 14.5 0.00 0.0
September 8
 27.0 13.0 0.00 0.0
September 9
 24.0 10.0 0.00 0.0
September 10
 24.0 15.0 0.54 0.0
September 11
 17.5 11.0 0.00 0.0
September 12
 20.5 5.5 0.00 0.0
September 13
 20.0 4.5 0.12 0.0
September 14
 21.5 12.0 0.00 0.0
September 15
 23.0 12.5 0.90 0.0
September 16
 30.0 21.5 0.00 0.0
September 17
 24.5 20.0 0.00 0.0
September 18
 26.0 11.0 0.50 0.0
September 19
 17.0 11.5 0.16 0.0
September 20
 14.5 2.0 0.00 0.0
September 21
 14.5 2.0 0.00 0.0
September 22
 19.5 4.5 0.00 0.0
September 23
 17.0 12.5 1.00 0.0
September 24
 15.5 7.5 1.50 0.0
September 25
 10.0 8.0 0.56 0.0
September 26
 17.5 6.5 0.50 0.0
September 27
 12.0 6.0 0.33 0.0
September 28
 9.0 4.5 0.56 0.0
September 29
 14.0 2.5 0.00 0.0
September 30
 13.0 0.0 0.06 0.0
October 1991 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
October 1
 17.5 8.0 0.40 0.0
October 2
 25.5 12.0 0.04 0.0
October 3
 24.5 14.0 0.58 0.0
October 4
 18.5 14.0 0.34 0.0
October 5
 28.5 12.0 1.04 0.0
October 6
 16.5 10.0 0.20 0.0
October 7
 11.5 4.5 0.00 0.0
October 8
 14.5 3.0 0.00 0.0
October 9
 21.0 7.0 0.00 0.0
October 10
 14.0 8.0 1.40 0.0
October 11
 11.0 4.5 0.02 0.0
October 12
 12.5 5.5 0.00 0.0
October 13
 9.5 3.0 0.00 0.0
October 14
 10.0 -1.0 0.00 0.0
October 15
 13.5 5.0 2.52 0.0
October 16
 12.0 6.5 0.00 0.0
October 17
 18.0 3.0 0.00 0.0
October 18
 19.0 4.5 0.00 0.0
October 19
 7.5 3.5 1.03 0.0
October 20
 8.0 -1.0 0.00 0.0
October 21
 12.0 2.0 0.00 0.0
October 22
 14.5 8.5 0.00 0.0
October 23
 16.0 4.0 0.00 0.0
October 24
 24.0 7.0 0.16 0.0
October 25
 24.0 16.0 0.00 0.0
October 26
 21.0 17.5 0.00 0.0
October 27
 21.0 9.0 0.20 0.0
October 28
 9.5 0.0 0.00 0.0
October 29
 7.0 -2.0 0.00 0.0
October 30
 11.5 -1.0 0.00 0.0
October 31
 9.5 4.0 0.00 0.0
November 1991 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
November 1
 10.0 6.0 0.00 0.0
November 2
 12.0 7.0 0.00 0.0
November 3
 5.0 4.0 0.00 0.0
November 4
 3.5 -2.5 0.00 0.0
November 5
 4.5 -3.0 0.00 0.0
November 6
 7.0 -2.0 0.00 0.0
November 7
 0.0 -2.0 0.00 0.0
November 8
 2.5 -7.0 0.00 0.0
November 9
 4.0 -7.5 0.00 0.0
November 10
 n/a -7.5 0.00 0.0
November 11
 3.0 0.0 1.02 10.2
November 12
 1.5 -1.5 0.12 1.2
November 13
 5.0 0.0 0.20 0.0
November 14
 8.5 2.0 0.20 0.0
November 15
 10.0 0.0 1.24 0.0
November 16
 5.0 1.0 0.00 0.0
November 17
 1.0 -6.5 0.00 0.0
November 18
 8.0 -5.0 0.08 0.0
November 19
 15.0 2.5 0.00 0.0
November 20
 20.0 12.5 0.70 0.0
November 21
 8.5 4.5 0.00 0.0
November 22
 6.5 -2.0 0.00 0.0
November 23
 8.0 3.0 0.00 0.0
November 24
 n/a 1.5 0.50 0.0
November 25
 2.0 -1.0 0.00 0.0
November 26
 0.5 -3.5 0.00 0.0
November 27
 3.0 -7.0 0.00 0.0
November 28
 6.5 1.5 0.04 0.4
November 29
 4.5 0.0 0.08 0.2
November 30
 18.5 1.0 0.18 0.0
December 1991 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
December 1
 6.5 4.0 0.00 0.0
December 2
 n/a -8.5 0.50 5.0
December 3
 n/a -11.5 0.40 3.0
December 4
 -8.5 -12.0 0.00 0.0
December 5
 -12.0 -15.5 0.14 1.4
December 6
 -8.0 -16.0 0.50 5.0
December 7
 -6.0 -14.0 1.20 10.0
December 8
 9.0 -10.0 0.48 0.0
December 9
 10.0 -6.5 0.00 0.0
December 10
 5.0 -7.0 0.00 0.0
December 11
 7.0 0.0 0.00 0.0
December 12
 12.0 -1.5 0.50 0.0
December 13
 12.5 3.0 0.10 0.0
December 14
 1.5 -1.5 0.92 7.2
December 15
 -3.5 -10.5 0.10 1.0
December 16
 -13.0 -17.5 0.00 0.0
December 17
 -12.0 -19.0 1.50 15.0
December 18
 -13.0 -16.0 0.00 0.0
December 19
 -6.0 -20.0 0.00 0.0
December 20
 2.0 -11.0 0.80 8.0
December 21
 3.5 -1.0 0.04 0.0
December 22
 4.5 -6.5 0.00 0.0
December 23
 2.0 1.0 0.00 0.0
December 24
 -13.5 -17.0 0.00 0.0
December 25
 -10.5 -17.5 0.00 0.0
December 26
 1.0 -14.0 0.04 0.4
December 27
 -1.0 -6.0 0.00 0.0
December 28
 1.0 -8.5 0.00 0.0
December 29
 0.0 -4.0 0.00 0.0
December 30
 -5.0 -10.0 0.00 0.0
December 31
 -4.0 -16.0 0.00 0.0
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