London Record High by Day of the Year
Data for the record high temperature for each day of the year in
London, Ontario , as well as the year that the record was set. It is based on NOAA data for the years 1883–2024.
Change city
Day
Record High
Year Set or Tied
January 1
9.7
2007
January 2
12.2
1890, 1897
January 3
12.8
1897, 1950
January 4
12.4
1997
January 5
13.6
1997
January 6
13.9
1946
January 7
14.8
2008
January 8
13.9
2008
January 9
11.7
1939
January 10
12.2
1950
January 11
15.0
1890
January 12
12.4
2013
January 13
14.8
2005
January 14
14.3
1995
January 15
12.0
1995
January 16
10.6
1949
January 17
10.6
1952
January 18
12.4
1996
January 19
13.3
1907
January 20
13.9
1907
January 21
15.6
1906
January 22
13.9
1906
January 23
13.3
1906, 1967
January 24
16.1
1909
January 25
16.7
1950
January 26
13.9
1944
January 27
13.9
1916
January 28
12.2
1916
January 29
12.2
1914
January 30
14.2
2013
January 31
11.2
1989
February 1
9.7
1989
February 2
8.3
1973
February 3
14.7
2016
February 4
14.4
1890
February 5
15.0
1890
February 6
11.1
1938
February 7
11.1
2019
February 8
12.8
1900
February 9
15.0
2024
February 10
11.7
1965
February 11
15.8
1999
February 12
14.4
1999
February 13
12.2
1938
February 14
8.9
1949
February 15
14.5
2023
February 16
13.3
1921
February 17
10.3
2006
February 18
14.9
2017
February 19
12.0
2017
February 20
15.1
2018
February 21
14.4
1997
February 22
15.6
2017
February 23
17.4
2017
February 24
17.5
2017
February 25
13.3
1957
February 26
17.8
2000
February 27
13.2
2000
February 28
15.1
2018
March 1
12.9
1997
March 2
15.1
1991
March 3
15.6
1974
March 4
19.8
2024
March 5
18.3
2004
March 6
17.3
2009
March 7
21.4
2000
March 8
24.8
2000
March 9
19.4
2000
March 10
16.7
1925
March 11
18.8
2021
March 12
20.4
1990
March 13
21.8
1990
March 14
21.1
1990
March 15
22.8
1990
March 16
21.5
2012
March 17
22.3
2012
March 18
21.9
2012
March 19
24.4
1903
March 20
24.7
2012
March 21
25.7
2012
March 22
27.2
2012
March 23
20.6
1929, 1979
March 24
26.1
1910
March 25
22.2
1945
March 26
23.7
2007
March 27
23.3
2007
March 28
25.0
1910
March 29
24.4
1946
March 30
24.8
1998
March 31
24.4
1943
April 1
24.9
1986
April 2
25.6
1963
April 3
24.6
2010
April 4
23.9
1921
April 5
26.1
1910
April 6
27.2
1929
April 7
26.7
1929
April 8
26.0
2021
April 9
22.8
1922
April 10
26.1
1922
April 11
25.6
1977
April 12
26.8
1977
April 13
28.9
1941
April 14
26.7
1883
April 15
27.2
2003
April 16
28.2
2002
April 17
28.9
1896
April 18
28.3
1896
April 19
27.4
2005
April 20
26.9
1987
April 21
26.6
1985, 1987
April 22
28.5
1985
April 23
30.0
1925
April 24
29.4
1915
April 25
30.0
1915
April 26
30.6
1915
April 27
28.9
1915
April 28
28.3
1888
April 29
27.8
1899
April 30
28.3
1942
May 1
27.8
1899
May 2
29.4
1913
May 3
28.9
1913
May 4
29.4
1895, 1928, 1949
May 5
31.7
1895
May 6
31.1
1949
May 7
30.0
1930
May 8
30.6
1896
May 9
31.7
1896
May 10
30.6
1896
May 11
30.0
1896
May 12
28.7
1991
May 13
29.4
1991
May 14
30.0
1962
May 15
31.1
1962
May 16
31.1
1962
May 17
31.7
1962
May 18
31.1
1911, 1962
May 19
32.8
1911
May 20
32.2
1911
May 21
31.7
1921, 1941
May 22
33.9
1911
May 23
30.6
1964
May 24
29.6
2007
May 25
31.2
2012
May 26
31.7
1911
May 27
33.3
1911
May 28
33.9
1911
May 29
33.1
2006
May 30
34.4
1895
May 31
34.4
1919
June 1
33.3
1895, 1919, 1925
June 2
35.6
1919
June 3
33.9
1919
June 4
33.9
1919
June 5
36.7
1925
June 6
37.2
1925
June 7
33.3
1922
June 8
34.4
1914
June 9
34.4
1914
June 10
34.4
1920
June 11
33.9
1920
June 12
32.2
1892, 1919, 1954, 1956
June 13
33.3
1919, 1956
June 14
33.9
1919
June 15
33.3
1891
June 16
33.9
1913
June 17
33.8
1994
June 18
34.4
1919
June 19
34.4
1919, 1923
June 20
35.0
1923
June 21
35.0
1923
June 22
33.9
1894, 1923
June 23
36.1
1923
June 24
36.7
1923
June 25
38.2
1988
June 26
34.4
1921
June 27
33.9
1901, 1941
June 28
36.1
1971
June 29
35.0
1927
June 30
35.6
1927, 1931
July 1
37.2
1931
July 2
36.7
1911
July 3
38.9
1911
July 4
38.9
1911
July 5
37.8
1911
July 6
36.7
1921
July 7
36.4
1988
July 8
38.9
1936
July 9
38.9
1936
July 10
38.3
1936
July 11
38.3
1936
July 12
37.8
1936
July 13
38.3
1936
July 14
36.1
1936
July 15
34.4
1901, 1916
July 16
35.7
1988
July 17
36.1
2012
July 18
36.1
1964
July 19
35.0
1894
July 20
35.6
1926
July 21
36.7
2011
July 22
33.9
1987
July 23
35.0
1898
July 24
36.7
1898
July 25
35.0
1934, 1941
July 26
35.0
1916
July 27
36.7
1941
July 28
36.7
1918
July 29
36.1
1917
July 30
37.8
1916
July 31
36.7
1917
August 1
35.0
1917
August 2
35.6
1930, 1955
August 3
35.6
1955
August 4
35.0
1930
August 5
37.2
1918
August 6
41.1
1918
August 7
39.4
1918
August 8
37.0
2001
August 9
35.0
1914
August 10
35.0
1900, 1911, 1944
August 11
34.4
1918, 1944
August 12
33.3
1944
August 13
37.2
1918
August 14
33.9
1944
August 15
33.3
1944
August 16
35.0
1922
August 17
34.4
1922
August 18
33.9
1916
August 19
35.0
1899
August 20
36.1
1916
August 21
37.2
1916
August 22
35.6
1916
August 23
34.4
1898
August 24
32.8
1948, 1969
August 25
35.0
1948
August 26
34.4
1929
August 27
33.9
1948
August 28
34.4
1948
August 29
33.9
1953
August 30
35.0
1953
August 31
34.4
1924
September 1
34.4
1953
September 2
34.4
1953
September 3
33.9
1929, 1973
September 4
34.4
1929
September 5
33.3
1922
September 6
33.3
1912, 1933
September 7
32.2
1916
September 8
35.6
1933
September 9
34.2
2002
September 10
34.4
1897
September 11
34.4
1931
September 12
35.0
1931
September 13
33.9
1952
September 14
32.2
1909, 1930
September 15
33.3
1939
September 16
34.4
1939
September 17
31.7
1955
September 18
32.8
1955
September 19
32.2
1955
September 20
31.7
1895
September 21
32.2
1914
September 22
32.2
1895, 1908
September 23
32.2
2017
September 24
32.2
2017
September 25
33.9
1908
September 26
33.3
1908
September 27
30.0
1923
September 28
28.3
1929
September 29
29.4
1905
September 30
29.4
1905
October 1
29.5
2019
October 2
29.4
1919, 1922
October 3
28.9
1898, 1919
October 4
28.9
1919
October 5
29.6
2007
October 6
30.0
1946
October 7
28.9
1963
October 8
30.3
2007
October 9
27.8
1905
October 10
26.7
1913, 1949
October 11
28.3
1928
October 12
27.2
1928
October 13
26.1
1920
October 14
26.7
1920
October 15
29.4
1897
October 16
27.2
1938
October 17
27.2
1938
October 18
26.7
1908, 1963
October 19
26.7
1953
October 20
23.9
1920
October 21
25.0
1947
October 22
25.6
1947
October 23
23.3
1920
October 24
23.9
1899, 1963
October 25
25.6
1963
October 26
25.6
1963
October 27
24.4
1927
October 28
21.5
1989
October 29
21.7
1946
October 30
22.8
1971
October 31
22.8
1933
November 1
24.4
1950
November 2
23.3
1933
November 3
22.5
2015
November 4
22.5
2015
November 5
22.5
2022
November 6
20.6
1975
November 7
20.0
1938
November 8
22.2
1945
November 9
21.5
2020
November 10
21.7
2020
November 11
19.4
1927
November 12
18.9
1902
November 13
19.4
1902
November 14
19.4
1902, 1909
November 15
18.9
1928
November 16
18.3
1953
November 17
18.9
1953
November 18
18.5
2016
November 19
18.9
1953, 1985
November 20
19.4
1931
November 21
17.8
1930
November 22
19.4
1913
November 23
20.6
1931
November 24
17.2
1931
November 25
15.0
1908
November 26
16.7
1896
November 27
18.4
1990
November 28
18.7
1990
November 29
15.3
1998
November 30
16.3
1991
December 1
15.0
1970
December 2
15.7
1982
December 3
18.5
1982
December 4
16.7
1941
December 5
16.4
2001
December 6
17.8
1998
December 7
15.6
1951
December 8
15.6
1966
December 9
12.8
1889, 1916
December 10
17.2
1971
December 11
16.3
2021
December 12
13.3
1899
December 13
13.3
1901
December 14
14.2
2015
December 15
13.9
1971
December 16
15.0
2021
December 17
12.3
1984
December 18
11.7
1967
December 19
11.1
1923, 1957
December 20
13.9
1895
December 21
14.4
1967
December 22
12.8
1949
December 23
11.1
1893
December 24
14.2
2015
December 25
16.3
1982
December 26
10.6
2016
December 27
13.7
2008
December 28
15.0
1984
December 29
14.9
1984
December 30
11.3
2022
December 31
13.3
1965
Years with the Most Daily Records
Which years set the greatest number of daily high temperature records in London history?
Rank
Year
Records Set
1
1919
13
2
1911
12
3
1916
11
4
2012
8
5
1953
8
6
1923
8
7
2017
7
8
1936
7
9
1931
7
10
1929
7
Daily Records by Decade
This table shows the number of daily high temperature records in London that were set in each decade since 1883.
Decade
Records Set
1880s
3
1890s
36
1900s
25
1910s
63
1920s
48
1930s
32
1940s
32
1950s
25
1960s
20
1970s
12
1980s
19
1990s
23
2000s
25
2010s
30
2020s
11
Weather Station Details
Years
Station
Coordinates
2002–2024
London CS
location
1941–2002
London International Airport
location
1932–1940
London Lambeth A
location
1883–1931
London South
location