St. Catharines Record Low by Day of the Year

Data for the record low 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.

Also see:

Day	Record Low	Year Set or Tied
January 1	-17.8	1969
January 2	-17.2	1920
January 3	-17.0	1981
January 4	-23.0	1981
January 5	-18.3	1920
January 6	-18.3	1912
January 7	-19.0	1988
January 8	-21.1	1942
January 9	-21.1	1943
January 10	-20.6	1942
January 11	-18.0	1981
January 12	-22.0	1981
January 13	-22.8	1914
January 14	-23.3	1914
January 15	-19.4	1972
January 16	-22.0	1994
January 17	-18.9	1923
January 18	-19.4	1945
January 19	-23.5	1994
January 20	-21.5	1994
January 21	-21.0	1984
January 22	-18.9	1920
January 23	-19.4	1948
January 24	-19.4	1970
January 25	-22.2	1945
January 26	-22.8	1920, 1945
January 27	-21.1	1927
January 28	-20.0	1935, 1966
January 29	-21.1	1925
January 30	-21.1	1928
January 31	-20.6	1920
February 1	-21.1	1920
February 2	-19.4	1971
February 3	-17.8	1970
February 4	-19.4	1970
February 5	-18.3	1902, 1912
February 6	-17.8	1936, 1948
February 7	-18.5	1993
February 8	-22.2	1934
February 9	-23.3	1912, 1934
February 10	-23.9	1934
February 11	-22.2	1912
February 12	-22.2	1914
February 13	-23.9	1914
February 14	-18.9	1934, 1970
February 15	-23.9	1943
February 16	-21.0	1987
February 17	-22.8	1934
February 18	-18.3	1903
February 19	-21.7	1903
February 20	-21.7	1966
February 21	-18.9	1923
February 22	-20.0	1936
February 23	-20.6	2015
February 24	-20.0	1914, 1934
February 25	-19.4	1934
February 26	-16.7	1928
February 27	-20.0	1920
February 28	-18.9	1934
March 1	-14.0	1988
March 2	-18.9	1920
March 3	-18.2	2003
March 4	-19.4	1943
March 5	-16.7	1948
March 6	-17.8	1948, 2015
March 7	-14.0	1989
March 8	-16.0	1986
March 9	-18.3	1943
March 10	-12.8	1929
March 11	-12.8	1912
March 12	-19.4	1948
March 13	-13.0	1979
March 14	-13.5	1993
March 15	-19.0	1979
March 16	-16.5	1979
March 17	-12.2	1926, 1941
March 18	-17.2	1967
March 19	-15.0	1950, 1967
March 20	-12.8	1923, 1949
March 21	-11.7	1965
March 22	-16.0	1988
March 23	-12.8	1940
March 24	-13.9	1940
March 25	-15.0	1974
March 26	-12.2	1975
March 27	-12.0	1979
March 28	-14.4	1923
March 29	-14.4	1923
March 30	-11.1	1915
March 31	-13.3	1923
April 1	-15.0	1923
April 2	-5.6	1919, 1923
April 3	-9.4	1954
April 4	-7.2	1954
April 5	-7.8	1975
April 6	-7.2	1943
April 7	-7.8	1972
April 8	-8.0	1978
April 9	-7.8	1972
April 10	-6.0	1985
April 11	-9.0	1989
April 12	-6.7	1975
April 13	-8.3	1940
April 14	-5.0	1950
April 15	-7.8	1926
April 16	-10.0	1980
April 17	-4.4	1949
April 18	-7.2	1965
April 19	-5.0	1989
April 20	-6.1	1926
April 21	-3.9	1922
April 22	-3.9	1922, 1950
April 23	-3.9	1930
April 24	-6.0	1986
April 25	-3.9	1919, 1956
April 26	-3.9	1919
April 27	-3.3	1975
April 28	-3.9	1947
April 29	-1.1	1953
April 30	-1.7	1931
May 1	-1.7	1931
May 2	-1.7	1903
May 3	-1.1	1925
May 4	-2.2	1926
May 5	0.0	1920, 1926, 1966
May 6	-0.6	1967
May 7	-4.4	1974
May 8	-1.1	1956, 1974
May 9	-1.1	1947
May 10	-2.8	1947
May 11	-3.3	1902
May 12	-0.6	1934
May 13	-1.0	1994
May 14	-1.1	1923
May 15	-1.1	1920
May 16	-0.6	1934, 1936
May 17	-0.6	1956
May 18	-0.6	1925
May 19	-1.1	1973
May 20	0.0	1956
May 21	0.0	1924, 1936
May 22	1.1	1924, 1935
May 23	-0.6	1967
May 24	0.0	1925
May 25	-1.1	1956
May 26	1.1	1925
May 27	0.0	1915
May 28	2.2	1926, 1927, 1970
May 29	1.1	1902
May 30	1.7	1965
May 31	2.8	1915, 1924
June 1	1.1	1945
June 2	3.3	1927
June 3	1.0	1982
June 4	2.8	1965
June 5	4.4	1926
June 6	3.3	1929
June 7	3.9	1912
June 8	3.3	1912
June 9	2.0	1988
June 10	3.3	1946
June 11	2.2	1972
June 12	3.0	1979
June 13	5.0	1923, 1979
June 14	5.0	1946
June 15	5.0	1933
June 16	5.0	1927
June 17	5.0	1982
June 18	3.9	1950
June 19	5.0	1982
June 20	3.0	1982
June 21	5.6	1968, 1969
June 22	6.7	1936
June 23	5.6	1902
June 24	5.6	1902
June 25	7.8	1902, 1965
June 26	5.0	1981
June 27	7.0	1985
June 28	7.0	1985
June 29	5.0	1980
June 30	7.0	1980
July 1	6.7	1912
July 2	7.8	1924
July 3	7.8	1929
July 4	7.8	1927
July 5	4.0	1982
July 6	8.3	1965, 1967
July 7	8.9	1918
July 8	8.9	1969
July 9	8.9	1942
July 10	7.0	1986
July 11	6.7	1945
July 12	7.2	1913
July 13	8.3	1926
July 14	7.2	1913
July 15	6.1	1903
July 16	7.8	1920
July 17	8.9	1920
July 18	10.0	1971
July 19	8.9	1924
July 20	8.9	1929
July 21	8.9	1970
July 22	9.0	1982
July 23	11.1	1912
July 24	11.0	1981
July 25	10.0	1953
July 26	8.9	1926
July 27	9.4	1946
July 28	10.0	1903, 1937, 1982
July 29	9.4	1925
July 30	6.7	1968
July 31	9.4	1965
August 1	7.8	1947
August 2	7.8	1947
August 3	7.8	1924
August 4	10.6	1966
August 5	8.9	1951, 1972
August 6	10.0	1934, 1951
August 7	7.8	1948
August 8	8.9	1903
August 9	9.4	1902, 1948
August 10	7.8	1927
August 11	10.0	1922, 1965, 1972
August 12	8.9	1930
August 13	8.3	1903
August 14	8.3	1903
August 15	8.9	1964, 1968
August 16	8.5	1979
August 17	7.8	1923
August 18	8.3	1954
August 19	8.3	1918
August 20	7.5	1977
August 21	6.7	1950
August 22	7.5	1982
August 23	5.6	1923
August 24	5.6	1940, 1971
August 25	6.7	1942
August 26	6.7	1923
August 27	7.8	1923, 1945, 1969
August 28	7.2	1925, 1941
August 29	4.0	1982
August 30	4.4	1965
August 31	6.7	1976
September 1	7.0	1992
September 2	6.7	1946, 1967
September 3	5.0	1946, 1989
September 4	6.1	1946, 1974
September 5	2.8	1902
September 6	5.6	1902
September 7	6.7	1924
September 8	4.0	1980
September 9	6.1	1949
September 10	5.0	1992
September 11	2.8	1967
September 12	2.2	1967
September 13	5.6	1943, 1946
September 14	2.2	1902
September 15	3.9	1902
September 16	3.3	1923
September 17	4.4	1923
September 18	3.3	1943
September 19	2.8	1929
September 20	2.2	1929, 1956
September 21	1.7	1973
September 22	0.0	1929
September 23	1.1	1947, 1967, 1974
September 24	1.7	1974
September 25	2.0	1992
September 26	1.7	1928, 1947
September 27	2.0	1980
September 28	1.1	1947
September 29	0.6	1903
September 30	-0.5	1991
October 1	0.0	1947
October 2	1.7	1935, 1974
October 3	0.6	1974
October 4	-5.0	1987
October 5	0.0	1935
October 6	-6.0	1984
October 7	-3.3	1964
October 8	0.0	1952, 1974
October 9	-0.6	1937
October 10	-1.5	1979
October 11	-3.3	1964
October 12	-1.1	1964
October 13	-3.5	1981
October 14	-2.2	1937
October 15	-3.0	1978
October 16	-2.2	1937
October 17	-1.5	1994
October 18	-3.3	1952
October 19	-5.6	1972
October 20	-3.9	1972
October 21	-2.8	1922, 1952
October 22	-4.4	1940
October 23	-2.8	1923
October 24	-7.0	1982
October 25	-4.0	1981
October 26	-7.0	1987
October 27	-3.9	1936
October 28	-5.0	1936
October 29	-6.1	1965
October 30	-6.1	1969
October 31	-4.4	1925
November 1	-3.3	1938
November 2	-4.4	1965
November 3	-2.8	1939
November 4	-7.2	1951
November 5	-8.3	1951
November 6	-10.0	1951
November 7	-6.1	1930
November 8	-7.0	1991, 1992
November 9	-8.0	1991
November 10	-6.1	1933
November 11	-6.7	1933
November 12	-6.0	1986
November 13	-9.0	1986
November 14	-10.0	1986
November 15	-11.1	1933
November 16	-13.9	1933
November 17	-12.8	1933
November 18	-10.0	1990
November 19	-12.0	1990
November 20	-8.3	1966
November 21	-9.5	1987
November 22	-8.1	2018
November 23	-8.9	1929
November 24	-9.4	1945
November 25	-8.3	1938
November 26	-9.4	1949
November 27	-10.0	1932
November 28	-10.6	1930
November 29	-11.7	1929, 1955
November 30	-12.8	1929
December 1	-12.2	1936
December 2	-15.0	1930
December 3	-12.2	1919
December 4	-16.1	1940
December 5	-14.4	1926
December 6	-14.4	1926
December 7	-15.6	1926
December 8	-11.1	1934
December 9	-13.3	1902
December 10	-12.2	1964
December 11	-13.3	1934
December 12	-12.2	1929
December 13	-14.0	1994
December 14	-14.4	1937
December 15	-15.6	1943
December 16	-16.1	1901, 1951
December 17	-18.3	1919
December 18	-18.3	1919
December 19	-21.1	1919
December 20	-18.9	1942
December 21	-18.3	1942
December 22	-17.0	1989
December 23	-15.0	1989
December 24	-21.7	1945
December 25	-22.0	1980
December 26	-15.6	1924
December 27	-24.4	1925
December 28	-20.6	1924
December 29	-20.6	1933
December 30	-19.4	1933
December 31	-15.0	1933

Years with the Most Daily Records

Which years set the greatest number of daily low temperature records in St. Catharines history?

Rank	Year	Records Set
1	1923	17
2	1934	13
3	1926	12
4	1920	12
5	1902	12
6	1965	11
7	1929	11
8	1982	10
9	1974	9
10	1967	9

Daily Records by Decade

This table shows the number of daily low temperature records in St. Catharines that were set in each decade since 1882.

Decade	Records Set
1900s	22
1910s	28
1920s	83
1930s	50
1940s	57
1950s	26
1960s	38
1970s	44
1980s	49
1990s	17
2000s	1
2010s	3

Weather Station Details

Years	Station	Coordinates
1995–2024	Port Weller (AUT)	location
1882–1994	St Catherines	location