Toronto - Extreme Daily Precipitation for Each Year





This page lists the biggest rainstorms or snowstorms of the year in Toronto, Ontario Canada along with the date they occurred. The information answers questions like: When was the last time more than 90 millimetres of precipitation landed on Toronto in a single day? What was the rainiest day of 2017?

The list gives the highest daily precipitation for each year in Toronto and the date that it happened. A date with a plus sign beside it means the same amount of moisture also fell on at least one other day earlier that year.

These records were observed in downtown Toronto and go back to 1847. During that time the heaviest downpour measured for a single day was 98.6 millimetres (3.88 inches) on July 27, 1897.

Most precipitation in one day for recent years in Toronto
Inches Date Milli­metres
2.08 May 25, 2017 52.8
2016
2.30 October 28, 2015 58.4
1.34 June 25, 2014 34.0
3.81 July 08, 2013 96.8
1.79 June 01, 2012 45.5
1.85 November 29, 2011 47.0
1.77 June 27, 2010 45.0
Highest daily precipitation recorded at Toronto each year
Inches Date Milli­metres
1.37 April 03, 2009 34.8
2.05 July 08, 2008 52.1
2.41 July 19, 2007 61.2
1.76 October 17, 2006 44.7
1.25 August 19, 2005 31.8
1.01 September 09, 2004 25.7
2002
1.36 November 10, 2002 34.5
2.06 May 22, 2001 52.3
2.67 May 12, 2000 67.8
2.06 September 29, 1999 52.3
1.17 May 10, 1998 29.7
1.45 August 20, 1997 36.8
3.02 September 07, 1996 76.7
2.25 October 05, 1995 57.2
1.18 August 04, 1994 30.0
2.13 November 27, 1993 54.1
1.55 August 27, 1992 + 39.4
1.52 April 08, 1991 38.6
1.52 December 03, 1990 38.6
1.87 September 22, 1989 47.5
1.35 September 03, 1988 34.3
1.31 November 25, 1987 33.3
3.23 September 10, 1986 82.0
1.62 November 04, 1985 + 41.1
1.40 February 13, 1984 35.6
1.31 March 18, 1983 33.3
1.76 August 24, 1982 44.7
1.83 August 04, 1981 46.5
1.50 April 14, 1980 38.1
1.92 January 24, 1979 48.8
1.11 September 11, 1978 28.2
2.37 November 07, 1977 60.2
1.57 May 06, 1976 39.9
2.25 August 23, 1975 57.2
2.31 May 16, 1974 58.7
1.73 October 28, 1973 43.9
1.64 December 12, 1972 41.7
1.36 July 05, 1971 34.5
2.39 August 30, 1970 60.7
1.44 August 01, 1969 36.6
2.74 August 22, 1968 69.6
1.59 January 27, 1967 40.4
1.54 January 23, 1966 39.1
2.07 February 25, 1965 52.6
1.49 August 11, 1964 37.8
1.49 August 13, 1963 37.8
2.53 November 10, 1962 64.3
1.51 June 19, 1961 38.4
2.42 July 09, 1960 61.5
1.45 April 28, 1959 36.8
1.83 September 15, 1958 46.5
2.50 June 28, 1957 63.5
1.41 August 29, 1956 35.8
2.51 August 13, 1955 63.8
3.42 October 15, 1954 86.9
1.70 August 04, 1953 43.2
1.69 July 20, 1952 42.9
1.99 November 06, 1951 50.5
1.71 July 25, 1950 43.4
1.66 July 09, 1949 42.2
1.81 June 28, 1948 46.0
1.59 June 01, 1947 40.4
1.64 July 29, 1946 41.7
2.07 September 18, 1945 52.6
2.03 May 31, 1944 51.6
1.46 May 11, 1943 37.1
2.04 May 15, 1942 51.8
2.45 July 16, 1941 62.2
1.76 November 11, 1940 44.7
3.22 August 08, 1939 81.8
1.37 September 22, 1938 34.8
1.73 July 11, 1937 43.9
1.16 June 01, 1936 29.5
1.37 January 08, 1935 34.8
1.71 June 18, 1934 43.4
0.95 April 11, 1933 24.1
2.06 January 01, 1932 52.3
1.44 July 20, 1931 36.6
1.73 September 02, 1930 43.9
1.82 April 05, 1929 46.2
2.29 August 03, 1928 58.2
1.59 July 23, 1927 + 40.4
1.70 August 21, 1926 43.2
1.58 February 23, 1925 40.1
1.38 September 28, 1924 35.1
1.44 May 15, 1923 36.6
1.61 April 11, 1922 40.9
1.52 October 07, 1921 38.6
1.40 July 23, 1920 35.6
2.70 July 21, 1919 68.6
1.95 August 21, 1918 49.5
1.65 June 18, 1917 41.9
1.70 October 19, 1916 43.2
3.09 August 03, 1915 78.5
1.21 November 15, 1914 30.7
1.71 November 09, 1913 43.4
1.27 May 20, 1912 32.3
1.38 October 17, 1911 35.1
1.62 July 24, 1910 41.1
1.67 November 22, 1909 42.4
1.50 June 23, 1908 38.1
1.81 November 02, 1907 46.0
2.16 October 19, 1906 54.9
3.68 August 15, 1905 93.5
1.91 September 24, 1904 48.5
1.78 April 14, 1903 45.2
1.32 January 22, 1902 33.5
2.19 August 31, 1901 55.6
1.44 March 06, 1900 36.6
1.76 September 01, 1899 44.7
1.30 June 11, 1898 33.0
3.88 July 27, 1897 98.6
1.70 January 24, 1896 43.2
1.26 November 25, 1895 32.0
2.70 May 21, 1894 68.6
2.33 May 16, 1893 59.2
2.42 June 19, 1892 61.5
2.44 August 09, 1891 62.0
2.05 October 03, 1890 52.1
1.40 November 27, 1889 35.6
2.38 September 16, 1888 60.5
1.09 August 05, 1887 27.7
1.35 January 24, 1886 34.3
1.93 October 13, 1885 49.0
1.11 January 08, 1884 28.2
1.46 June 18, 1883 37.1
1.36 June 03, 1882 34.5
1.72 March 19, 1881 43.7
1.25 September 26, 1880 31.8
1.80 June 15, 1879 45.7
3.45 August 04, 1878 87.6
1.36 November 08, 1877 34.5
1.25 September 18, 1876 31.8
1.36 September 16, 1875 34.5
1.37 July 07, 1874 34.8
1.53 January 24, 1873 38.9
1.55 June 10, 1872 39.4
2.33 November 14, 1871 59.2
2.36 June 11, 1870 59.9
2.35 September 07, 1869 59.7
2.23 November 17, 1868 56.6
1.50 March 21, 1867 + 38.1
2.35 July 17, 1866 59.7
2.20 May 17, 1865 55.9
1.33 August 26, 1864 33.8
1.67 July 20, 1863 42.4
1.56 April 21, 1862 39.6
3.13 November 02, 1861 79.5
1.27 December 19, 1860 32.3
1.66 August 23, 1859 42.2
1.59 May 11, 1858 40.4
1.62 February 15, 1857 41.1
2.14 May 17, 1856 54.4
2.54 September 17, 1855 64.5
1.71 September 08, 1854 43.4
1.99 September 06, 1853 50.5
1.86 July 29, 1852 47.2
2.77 November 20, 1851 70.4
2.75 July 17, 1850 69.9
3.16 October 07, 1849 80.3
1848
2.65 September 09, 1847 67.3
Reference

Environment and Climate Change Canada. Historical Climate Data. Historical Data

Jay Lawrimore. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information. 

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