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Cornwall Weather in 2024

Historical record of Cornwall, Ontario weather for the year 2024 based on NOAA data.
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Year:
2024 Cornwall Weather Extremes
Highest temperature 24.0 °C April 12
Lowest temperature -17.0 °C January 21
Highest daily low 11.0 °C April 12
Lowest daily high -12.5 °C January 19
Most daily precipitation 2.4 cm April 3
Most daily snow 11.0 cm February 15
Total annual precipitation 21.3 cm -
Total annual snow 72.0 cm -
What's the hottest temperature in Cornwall so far this year?
As of April 27, the highest temperature recorded in Cornwall, Ontario in 2024 is 24.0 °C which happened on April 12.
Highest Temperatures: All-Time By Year
Highest Temperatures in Cornwall in 2024
Rank Temperature Date
1 24.0 °C Apr 12
2 21.0 °C Apr 27
2 21.0 °C Apr 10
2 21.0 °C Feb 27
5 20.0 °C Apr 23
5 20.0 °C Apr 9
7 19.0 °C Feb 28
8 18.5 °C Apr 8
9 18.0 °C Mar 27
10 17.0 °C Mar 5
What's the coldest temperature in Cornwall so far this year?
As of April 27, the lowest temperature recorded in Cornwall, Ontario in 2024 is -17.0 °C which happened on Jan 21.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Cornwall in 2024
Rank Temperature Date
1 -17.0 °C January 21
2 -16.5 °C February 24
2 -16.5 °C January 20
4 -15.5 °C January 19
5 -13.5 °C January 17
6 -13.0 °C February 18
7 -12.5 °C February 25
7 -12.5 °C February 21
7 -12.5 °C February 20
7 -12.5 °C February 19
January 2024 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
January 1
 -2.0 -8.5 0.00 0.0
January 2
 1.0 -6.0 0.00 0.0
January 3
 2.0 0.0 0.00 0.0
January 4
 -6.0 -7.0 0.00 0.0
January 5
 -3.5 -11.5 0.00 0.0
January 6
 -7.0 -8.0 0.90 9.0
January 7
 -4.0 -10.0 0.70 7.0
January 8
 0.0 -7.5 0.00 0.0
January 9
 5.0 -5.0 0.10 1.0
January 10
 7.0 -4.0 0.00 0.0
January 11
 -3.5 -5.0 0.50 5.0
January 12
 1.0 -6.5 0.40 3.0
January 13
 3.0 -5.5 0.38 0.0
January 14
 -1.0 -4.0 0.20 2.0
January 15
 -3.5 -8.5 0.00 0.0
January 16
 -5.5 -9.5 0.70 7.0
January 17
 -6.0 -13.5 0.00 0.0
January 18
 -4.5 -9.0 0.00 0.0
January 19
 -12.5 -15.5 0.00 0.0
January 20
 -10.0 -16.5 0.20 2.0
January 21
 -4.5 -17.0 0.00 0.0
January 22
 -1.0 -10.5 0.10 1.0
January 23
 0.5 -2.5 0.20 2.0
January 24
 n/a -10.0 0.00 0.0
January 25
 0.0 -2.0 0.00 0.0
January 26
 1.0 -1.0 0.70 0.0
January 27
 1.5 0.0 0.00 0.0
January 28
 2.0 -0.5 0.00 n/a
January 29
 2.5 -2.0 0.00 0.0
January 30
 -5.0 -7.0 0.00 0.0
January 31
 3.0 -7.0 0.00 0.0
February 2024 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
February 1
 3.0 1.5 0.10 0.0
February 2
 2.0 -1.0 0.00 n/a
February 3
 -1.0 -7.0 0.00 0.0
February 4
 2.5 -8.5 0.00 n/a
February 5
 1.5 -8.5 0.00 n/a
February 6
 1.0 -8.5 0.00 0.0
February 7
 1.5 -9.0 0.00 0.0
February 8
 7.0 -6.0 0.00 0.0
February 9
 12.5 -1.0 0.35 0.0
February 10
 10.5 4.5 0.00 0.0
February 11
 3.5 1.5 0.00 0.0
February 12
 2.0 1.0 0.00 0.0
February 13
 4.5 -6.5 0.10 1.0
February 14
 -4.0 -10.0 0.00 0.0
February 15
 -2.0 -11.0 1.10 11.0
February 16
 -2.0 -7.5 0.00 0.0
February 17
 -6.5 -10.0 0.10 1.0
February 18
 3.0 -13.0 0.00 0.0
February 19
 -8.0 -12.5 0.10 1.0
February 20
 -5.0 -12.5 0.00 0.0
February 21
 3.0 -12.5 0.00 0.0
February 22
 5.5 -2.0 0.06 0.0
February 23
 7.0 2.0 0.00 0.0
February 24
 -8.0 -16.5 0.00 0.0
February 25
 5.0 -12.5 0.00 0.0
February 26
 6.0 0.0 0.00 0.0
February 27
 21.0 -3.0 0.00 0.0
February 28
 19.0 8.0 0.40 0.0
February 29
 -6.0 -12.0 0.00 0.0
March 2024 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
March 1
 5.0 -11.5 0.00 0.0
March 2
 5.5 -4.0 0.52 0.0
March 3
 7.5 1.5 0.04 0.0
March 4
 13.0 -1.0 0.00 0.0
March 5
 17.0 1.0 0.52 0.0
March 6
 5.5 4.5 0.12 0.0
March 7
 9.0 3.0 0.00 0.0
March 8
 9.0 -3.5 0.00 0.0
March 9
 9.0 -1.0 1.26 0.0
March 10
 3.0 0.5 0.62 2.0
March 11
 5.0 -4.5 0.00 0.0
March 12
 11.0 0.0 0.00 0.0
March 13
 10.0 -1.5 0.00 0.0
March 14
 13.5 -1.5 0.00 0.0
March 15
 12.0 4.0 0.00 0.0
March 16
 8.0 1.5 0.96 0.0
March 17
 7.5 3.0 0.28 0.0
March 18
 3.0 -1.5 0.00 0.0
March 19
 2.0 -5.5 0.00 0.0
March 20
 4.5 -1.0 0.00 0.0
March 21
 -2.5 -9.0 0.00 0.0
March 22
 -2.0 -11.5 0.20 2.0
March 23
 -4.5 -7.0 0.20 2.0
March 24
 -0.5 -11.0 0.00 0.0
March 25
 8.0 -7.5 0.00 0.0
March 26
 11.0 -2.0 0.00 0.0
March 27
 18.0 4.5 0.00 0.0
March 28
 8.0 4.5 0.00 0.0
March 29
 6.5 -1.0 0.00 0.0
March 30
 5.0 -1.0 0.00 0.0
March 31
 11.0 2.0 0.00 0.0
April 2024 Cornwall Weather
Day High (°C) Low (°C) Precip. (cm) Snow (cm)
April 1
 12.5 5.0 0.00 0.0
April 2
 13.0 4.0 0.00 0.0
April 3
 9.0 7.0 2.39 8.0
April 4
 8.0 1.0 0.50 5.0
April 5
 5.0 1.0 0.36 0.0
April 6
 8.0 2.0 0.00 0.0
April 7
 14.0 -1.5 0.00 0.0
April 8
 18.5 3.0 0.00 0.0
April 9
 20.0 3.0 0.00 0.0
April 10
 21.0 6.5 0.00 0.0
April 11
 16.0 7.0 2.00 0.0
April 12
 24.0 11.0 0.46 0.0
April 13
 6.0 4.5 0.58 0.0
April 14
 11.0 2.5 0.46 0.0
April 15
 15.0 5.5 0.28 0.0
April 16
 13.5 2.5 0.00 0.0
April 17
 11.0 0.5 0.14 0.0
April 18
 9.0 5.5 0.80 0.0
April 19
 15.0 7.5 0.08 0.0
April 20
 10.0 6.0 0.12 0.0
April 21
 10.0 2.5 0.06 0.0
April 22
 12.5 -2.0 0.00 0.0
April 23
 20.0 4.5 0.78 0.0
April 24
 6.5 1.5 0.20 0.0
April 25
 9.0 -3.5 0.00 0.0
April 26
 15.5 -1.5 0.00 0.0
April 27
 21.0 2.5 0.00 0.0
Weather Station Details
Years Station Coordinates
1950–2024 Cornwall location
1867–1887 Cornwall location
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