Ottawa May 4 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of May 4.
May 4 All-Time Records
1889–2024
Highest temperature 31.7 °C 1913
Lowest temperature -4.4 °C 1911
Lowest daily high 5.6 °C 1924
Highest daily low 15.3 °C 2001
Most precipitation 3.30 cm 1907
Most snow 19.1 cm 1907
May 4 Average Weather
1991–2020 1
Average high 16.7 °C
Average low 5.6 °C
Chance precipitation 42.1%
Chance snow 1.1%
Ottawa May 4 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 11.5 6.0 0.00 0.0
2022 18.0 10.0 0.00 0.0
2021 13.5 5.5 0.12 0.0
2020 n/a n/a n/a n/a
2019 17.0 7.0 0.00 0.0
2018 22.5 6.5 0.30 0.0
2017 15.5 1.0 1.18 0.0
2016 15.0 5.0 0.00 0.0
2015 27.9 10.6 0.28 0.0
2014 10.4 6.5 1.62 0.0
2013 25.0 8.5 0.00 0.0
2012 20.8 12.9 0.00 0.0
2011 9.7 4.6 0.11 0.0
2010 21.8 11.0 0.18 0.0
2009 18.4 7.3 0.00 0.0
2008 15.0 8.2 0.06 0.0
2007 17.7 7.8 0.00 0.0
2006 24.8 3.6 0.58 0.0
2005 12.1 2.6 0.00 0.0
2004 12.7 0.7 0.48 0.0
2003 21.0 2.1 0.00 0.0
2002 19.0 2.7 0.00 0.0
2001 17.4 15.3 0.39 0.0
2000 25.1 4.4 0.52 0.0
1999 27.9 10.1 0.00 0.0
1998 18.3 13.7 0.35 0.0
1997 10.7 2.4 0.00 0.0
1996 17.4 5.1 0.00 0.0
1995 20.9 4.0 0.00 0.0
1994 19.6 1.9 0.00 0.0
1993 21.2 14.1 0.02 0.0
1992 13.0 0.9 0.00 0.0
1991 14.5 2.0 0.00 0.0
1990 17.2 1.3 0.06 0.0
1989 20.0 2.5 0.00 0.0
1988 20.6 5.4 0.00 0.0
1987 15.3 0.9 0.00 0.0
1986 12.7 -2.7 0.28 0.0
1985 13.9 7.5 0.76 0.0
1984 8.0 6.1 1.22 0.0
1983 14.0 6.5 0.00 0.0
1982 19.0 6.0 0.00 0.0
1981 22.0 4.5 0.00 0.0
1980 14.0 7.0 0.00 0.0
1979 11.0 7.5 0.00 0.0
1978 13.0 -1.0 0.00 0.0
1977 17.5 0.0 0.00 0.0
1976 10.6 2.2 0.00 0.0
1975 17.2 7.2 0.46 0.0
1974 8.3 -1.1 0.00 0.0
1973 8.9 5.0 0.23 0.0
1972 11.1 4.4 1.37 0.0
1971 8.9 5.0 0.33 0.0
1970 19.4 3.9 0.00 0.0
1969 16.1 2.8 0.00 0.0
1968 12.8 5.6 0.00 0.0
1967 11.7 -1.1 0.00 0.0
1966 12.2 1.7 0.00 0.0
1965 14.4 6.1 0.00 0.0
1964 23.3 6.1 0.00 0.0
1963 24.4 8.3 0.00 0.0
1962 10.6 7.8 0.03 0.0
1961 14.4 5.6 0.00 0.0
1960 24.4 7.8 0.00 0.0
1959 21.7 3.3 0.00 0.0
1958 11.1 4.4 0.00 0.0
1957 16.1 1.1 0.00 0.0
1956 7.8 2.8 0.36 0.0
1955 27.8 10.6 0.05 0.0
1954 10.0 3.9 0.00 0.0
1953 21.1 2.8 0.36 0.0
1952 12.8 4.4 0.00 0.0
1951 13.9 3.3 0.00 0.0
1950 8.9 6.1 0.05 0.0
1949 27.2 6.7 0.00 0.0
1948 20.6 2.2 0.00 0.0
1947 12.8 5.0 0.00 0.0
1946 17.2 -1.7 0.51 0.0
1945 6.7 4.4 0.86 0.0
1944 28.9 11.7 0.00 0.0
1943 13.9 2.2 0.00 0.0
1942 17.2 13.9 0.00 0.0
1941 18.3 6.1 0.30 0.0
1940 13.9 5.6 0.00 0.0
1939 17.8 1.7 0.00 0.0
1938 15.0 2.2 0.00 0.0
1937 26.1 4.4 0.00 0.0
1936 15.6 5.6 0.00 0.0
1935 15.0 2.8 0.00 0.0
1934 28.9 8.3 0.00 0.0
1933 13.3 1.7 0.00 0.0
1932 14.4 8.9 0.00 0.0
1931 20.6 -1.7 0.00 0.0
1930 22.8 4.4 0.00 0.0
1929 7.2 0.6 0.00 0.0
1928 21.7 8.3 0.38 0.0
1927 16.7 3.9 0.71 0.0
1926 9.4 -2.2 0.00 0.0
1925 12.8 3.9 0.30 0.0
1924 5.6 3.3 1.14 0.0
1923 21.7 5.6 0.00 0.0
1922 18.9 8.9 0.10 0.0
1921 21.1 7.8 0.00 0.0
1920 14.4 1.7 0.00 0.0
1919 10.0 3.9 0.15 0.0
1918 13.3 2.8 0.00 0.0
1917 10.0 -0.6 0.00 0.0
1916 14.4 1.7 0.10 0.0
1915 13.3 2.8 0.00 0.0
1914 18.9 6.1 0.08 0.0
1913 31.7 8.9 0.00 0.0
1912 18.3 3.3 0.00 0.0
1911 11.1 -4.4 0.00 0.0
1910 13.3 1.1 0.00 0.0
1909 10.6 -1.1 0.00 0.0
1908 13.3 2.2 0.05 0.0
1907 8.9 -1.7 3.30 19.1
1906 18.9 1.1 0.03 0.0
1905 18.3 5.0 0.30 0.0
1904 27.2 7.8 0.00 0.0
1903 14.4 5.0 0.23 0.0
1902 11.1 8.3 0.10 0.0
1901 18.9 5.6 0.00 0.0
1900 9.4 -1.1 0.00 0.0
1899 n/a n/a n/a n/a
1898 11.7 7.2 0.33 0.0
1897 15.6 10.0 0.20 0.0
1896 21.7 10.0 0.18 0.0
1895 26.7 11.7 0.69 0.0
1894 18.3 8.3 0.15 0.0
1893 10.0 2.8 2.21 0.0
1892 20.0 8.3 0.00 0.0
1891 7.8 -0.6 0.20 0.0
1890 6.7 2.2 0.66 0.0
What's the all-time high for Ottawa on 5/4?
For the date of May 4, the highest temperature ever reached in Ottawa history is 31.7 °C which happened in 1913.
Highest Temperatures in Ottawa on May 4
Rank Temperature Year
1 31.7 °C 1913
2 28.9 °C 1944
2 28.9 °C 1934
4 27.9 °C 2015
4 27.9 °C 1999
6 27.8 °C 1955
7 27.2 °C 1949
7 27.2 °C 1904
9 26.7 °C 1895
10 26.1 °C 1937
What's the all-time low for Ottawa on 5/4?
For the date of May 4, the lowest temperature ever reached in Ottawa history is -4.4 °C which happened in 1911.
Lowest Temperatures in Ottawa on May 4
Rank Temperature Year
1 -4.4 °C 1911
2 -2.7 °C 1986
3 -2.2 °C 1926
4 -1.7 °C 1907
4 -1.7 °C 1931
4 -1.7 °C 1946
7 -1.1 °C 1900
7 -1.1 °C 1967
7 -1.1 °C 1909
7 -1.1 °C 1974
Lowest High Temperatures in Ottawa on May 4
Rank Temperature Year
1 5.6 °C 1924
2 6.7 °C 1890
2 6.7 °C 1945
4 7.2 °C 1929
5 7.8 °C 1956
5 7.8 °C 1891
7 8.0 °C 1984
8 8.3 °C 1974
9 8.9 °C 1971
9 8.9 °C 1907
9 8.9 °C 1973
9 8.9 °C 1950
What's the most it has ever rained in Ottawa on 5/4?
For the date of May 4, the most precipitation ever recorded in Ottawa history is 3.30 cm which happened in 1907.
All-Time Most Precipitation in Ottawa on May 4
Rank Precipitation Year
1 3.30 cm 1907
2 2.21 cm 1893
3 1.62 cm 2014
4 1.37 cm 1972
5 1.22 cm 1984
6 1.18 cm 2017
7 1.14 cm 1924
8 0.86 cm 1945
9 0.76 cm 1985
10 0.71 cm 1927
All-Time Most Snow in Ottawa on May 4
Rank Precipitation Year
1 19.1 cm 1907
Weather Station Details
Years Station Coordinates
1889–2024 Ottawa CDA location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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