St. Catharines Record High by Day of the Year
Data for the record high temperature for each day of the year in
St. Catharines, Ontario , as well as the year that the record was set. It is based on NOAA data for the years 1882–2024.
Change city
Day
Record High
Year Set or Tied
January 1
12.6
2011
January 2
13.5
2000
January 3
15.6
1950
January 4
14.3
2000
January 5
15.0
1946
January 6
16.7
1946
January 7
15.7
2008
January 8
16.6
2008
January 9
14.1
2008
January 10
14.4
1975
January 11
16.3
2018
January 12
15.5
2005
January 13
18.6
2005
January 14
16.1
1995
January 15
13.9
1953
January 16
11.1
1949
January 17
12.2
1932, 1952
January 18
14.4
1973
January 19
11.1
1973
January 20
14.4
1951
January 21
8.9
1974
January 22
12.8
1967
January 23
13.9
1967
January 24
15.0
1967
January 25
20.0
1950
January 26
13.3
1974
January 27
11.1
1947
January 28
11.7
1914
January 29
14.4
1914
January 30
17.2
2013
January 31
18.0
1988
February 1
10.0
1973, 1989
February 2
13.9
1973
February 3
15.4
2016
February 4
15.6
2019
February 5
11.7
1938
February 6
12.2
1938
February 7
9.8
2017
February 8
13.3
1937
February 9
13.6
2024
February 10
13.9
1965
February 11
15.9
1999
February 12
16.8
1999
February 13
15.0
1984
February 14
10.1
2023
February 15
15.0
1954
February 16
15.6
1921
February 17
13.3
1921
February 18
14.0
1981
February 19
18.3
1930
February 20
19.4
1930
February 21
17.9
1997, 2018
February 22
14.5
1981
February 23
15.6
1943
February 24
13.3
1930
February 25
14.1
2001
February 26
12.2
1951
February 27
15.5
2024
February 28
17.8
1954
March 1
16.1
1954
March 2
19.0
1991
March 3
20.0
1974
March 4
13.6
2024
March 5
18.7
2004
March 6
19.4
1946
March 7
16.1
1973
March 8
21.1
1921
March 9
18.2
2002
March 10
19.2
2021
March 11
18.4
2021
March 12
17.2
1953
March 13
20.0
1927
March 14
24.5
1990
March 15
23.0
1990
March 16
21.1
1945
March 17
20.0
1927
March 18
21.1
1966
March 19
18.3
1938
March 20
23.9
1903
March 21
24.4
1903
March 22
25.0
1938
March 23
23.5
1979
March 24
20.0
1920
March 25
23.9
1920
March 26
26.7
1945
March 27
23.3
1921
March 28
26.1
1945
March 29
23.3
1946
March 30
23.5
1986
March 31
23.3
1967
April 1
24.0
1986
April 2
23.1
2010
April 3
23.5
1981
April 4
24.5
1981
April 5
27.2
1921
April 6
27.2
1921
April 7
26.0
1991
April 8
26.0
1991
April 9
23.9
1922, 1945
April 10
27.2
1945
April 11
28.3
1945
April 12
27.0
1977
April 13
26.1
1945, 1968
April 14
25.0
1968
April 15
28.0
1994
April 16
26.0
2012
April 17
24.4
1938
April 18
27.2
1927
April 19
26.7
1927
April 20
28.3
1941
April 21
29.4
1923
April 22
29.5
1985
April 23
28.3
1902
April 24
28.9
1915
April 25
31.0
1990
April 26
32.2
1915
April 27
30.0
1990
April 28
28.3
1942
April 29
26.1
1941
April 30
28.9
1942
May 1
30.0
1970
May 2
28.3
1942
May 3
29.4
1942, 1944
May 4
30.0
1955
May 5
30.6
1949
May 6
31.7
1949
May 7
32.2
1930
May 8
30.6
1936, 1939
May 9
31.1
1936
May 10
31.7
1953
May 11
30.0
1979
May 12
30.0
1991
May 13
28.0
1991
May 14
30.0
1942
May 15
27.8
1946, 1951
May 16
31.0
1991
May 17
30.0
1949
May 18
30.6
1903, 1949
May 19
31.7
1903
May 20
31.7
1903
May 21
32.0
1977
May 22
31.1
1927
May 23
31.1
1902
May 24
29.0
1977, 1980
May 25
30.0
2020
May 26
30.6
1944
May 27
30.6
1939
May 28
31.5
1987
May 29
32.5
1987
May 30
32.5
1987
May 31
32.2
1944
June 1
31.7
1925
June 2
33.3
1934
June 3
32.2
1919, 1925
June 4
34.4
1919
June 5
35.0
1925
June 6
35.6
1925
June 7
33.3
1925
June 8
32.8
1933
June 9
35.6
1933
June 10
32.8
1920
June 11
32.8
1933
June 12
35.0
1978
June 13
34.5
1978
June 14
34.0
1988
June 15
34.0
1981
June 16
33.9
1913
June 17
33.5
1994
June 18
36.0
1994
June 19
34.0
1987
June 20
34.0
1988
June 21
33.9
1933
June 22
33.0
1988
June 23
31.7
1950, 1975
June 24
35.0
1923
June 25
35.0
1943, 1988
June 26
33.3
1943, 1952, 1969
June 27
34.4
1941
June 28
36.1
1933
June 29
33.3
1945
June 30
34.4
1913, 1927
July 1
35.0
1913
July 2
35.6
1966
July 3
37.2
1949
July 4
35.6
1949
July 5
35.6
1921
July 6
36.0
1988
July 7
37.5
1988
July 8
37.8
1936
July 9
39.4
1936
July 10
40.0
1936
July 11
37.8
1936
July 12
35.6
1936
July 13
38.3
1936
July 14
33.9
1952, 1955
July 15
34.0
1983
July 16
36.0
1988
July 17
33.8
2012
July 18
34.4
1942
July 19
33.9
1935
July 20
35.5
1977
July 21
36.1
1955
July 22
35.0
1955
July 23
37.2
1933
July 24
33.3
1941
July 25
34.4
1941
July 26
34.4
1930
July 27
36.1
1941, 1955
July 28
35.0
1930
July 29
35.0
1933
July 30
36.7
1933
July 31
35.6
1975
August 1
36.1
1975
August 2
35.6
1955
August 3
36.7
1955
August 4
35.0
1930, 1944
August 5
35.6
1918
August 6
35.0
1931
August 7
36.7
1918
August 8
35.1
2001
August 9
36.7
1949
August 10
35.0
1944, 1949
August 11
35.6
1944
August 12
33.9
1935
August 13
35.0
1918, 1947
August 14
35.0
1944
August 15
34.4
1944
August 16
34.4
1922
August 17
33.9
1935
August 18
32.8
1947
August 19
35.0
1955
August 20
33.9
1955
August 21
35.0
1955
August 22
31.1
1929, 1942, 1943
August 23
32.8
1948
August 24
33.9
1947
August 25
36.7
1948
August 26
37.8
1948
August 27
38.3
1948
August 28
36.7
1948
August 29
33.9
1973
August 30
34.4
1951
August 31
33.9
1932
September 1
33.9
1953
September 2
35.6
1953
September 3
36.7
1953
September 4
35.0
1953
September 5
33.3
1929, 1948
September 6
33.9
1945
September 7
33.3
1945
September 8
32.8
1919, 1922
September 9
32.2
1933, 1941
September 10
34.4
1931
September 11
33.9
1952
September 12
35.0
1931
September 13
36.1
1952
September 14
34.4
1952
September 15
33.9
1939
September 16
32.8
1939
September 17
31.7
1942, 1955
September 18
31.1
1955
September 19
31.1
1955
September 20
30.6
1946
September 21
30.7
2018
September 22
31.1
1941
September 23
32.8
1936
September 24
31.1
1937
September 25
31.1
1941
September 26
30.0
1920
September 27
30.6
1920
September 28
30.6
1946
September 29
28.9
1921, 1939
September 30
27.8
1954
October 1
28.9
1922
October 2
29.4
1919
October 3
29.4
1951
October 4
30.0
1951
October 5
30.6
1951
October 6
31.1
1946
October 7
30.0
1941
October 8
27.4
2007
October 9
27.6
2018
October 10
29.4
1949
October 11
28.9
1938
October 12
27.8
1928
October 13
27.8
1969
October 14
26.1
1954, 2014
October 15
27.2
1947
October 16
27.2
1947
October 17
29.4
1938
October 18
25.6
1951
October 19
24.4
1923, 1937
October 20
26.1
1965
October 21
27.2
1920
October 22
26.1
1947
October 23
25.4
2020
October 24
25.6
1920
October 25
24.0
1991
October 26
24.0
1989, 1991
October 27
26.7
1947
October 28
23.9
1927
October 29
22.8
1946
October 30
23.3
1946
October 31
23.3
1971
November 1
25.0
1950
November 2
23.3
1933
November 3
21.7
1938
November 4
22.8
1938
November 5
26.4
2022
November 6
21.7
1938
November 7
24.4
1938
November 8
20.0
1915, 2020
November 9
18.9
1929
November 10
22.2
2020
November 11
22.8
1915
November 12
21.5
2012
November 13
19.0
1989
November 14
20.0
1994
November 15
21.1
1927
November 16
20.0
1988
November 17
20.0
1930
November 18
21.3
2016
November 19
21.0
1985
November 20
21.7
1931
November 21
18.9
1930
November 22
20.0
1934
November 23
21.1
1931
November 24
21.1
1931
November 25
17.5
1979
November 26
17.8
1915
November 27
21.0
1990
November 28
21.0
1990
November 29
17.0
2006
November 30
18.9
1998
December 1
16.1
1970
December 2
14.5
1982
December 3
21.0
1982
December 4
17.4
2012
December 5
18.7
2001
December 6
19.2
1998
December 7
18.9
1998
December 8
19.4
1966
December 9
15.5
2023
December 10
16.1
1971
December 11
18.9
2021
December 12
15.0
1991
December 13
14.4
1927
December 14
16.7
1901
December 15
17.8
1971
December 16
17.1
2021
December 17
12.0
1984
December 18
13.9
1967
December 19
12.2
1931
December 20
13.5
1988
December 21
16.7
1967
December 22
15.6
1949
December 23
12.8
1964
December 24
17.5
2015
December 25
17.0
1982
December 26
13.5
2016
December 27
17.2
2008
December 28
19.0
1982
December 29
15.0
1984
December 30
14.4
1965
December 31
14.4
1972
Years with the Most Daily Records
Which years set the greatest number of daily high temperature records in St. Catharines history?
Rank
Year
Records Set
1
1955
13
2
1949
11
3
1938
11
4
1988
10
5
1946
10
6
1945
10
7
1941
10
8
1933
10
9
1991
9
10
1936
9
Daily Records by Decade
This table shows the number of daily high temperature records in St. Catharines that were set in each decade since 1882.
Decade
Records Set
1900s
8
1910s
17
1920s
40
1930s
61
1940s
75
1950s
43
1960s
17
1970s
28
1980s
35
1990s
26
2000s
15
2010s
18
2020s
14
Weather Station Details
Years
Station
Coordinates
1995–2024
Port Weller (AUT)
location
1882–1994
St Catherines
location