Ottawa April 30 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of April 30.
April 30 All-Time Records
1889–2024
Highest temperature 28.9 °C 1899
Lowest temperature -5.0 °C 1978
Lowest daily high 3.5 °C 1978
Highest daily low 14.1 °C 1990
Most precipitation 4.37 cm 1907
Most snow 10.2 cm 1909
April 30 Average Weather
1991–2020 1
Average high 16.0 °C
Average low 4.9 °C
Chance precipitation 42.7%
Chance snow 1.7%
Ottawa April 30 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 13.0 7.0 4.10 0.0
2022 16.0 0.0 0.00 0.0
2021 11.5 1.5 1.60 0.0
2020 n/a n/a n/a n/a
2019 14.0 4.5 0.00 0.0
2018 17.0 4.0 0.00 0.0
2017 6.0 3.0 3.04 0.0
2016 16.5 0.0 0.00 0.0
2015 18.2 6.2 0.00 0.0
2014 8.0 4.9 1.80 0.0
2013 20.0 11.2 0.00 0.0
2012 13.6 -2.1 0.27 0.0
2011 19.2 2.0 0.00 0.0
2010 17.4 4.0 0.00 0.0
2009 21.5 1.9 1.31 0.0
2008 10.2 0.0 0.00 0.0
2007 13.4 9.0 0.00 0.0
2006 22.0 1.5 0.00 0.0
2005 8.2 -0.2 0.72 0.0
2004 26.3 13.0 0.12 0.0
2003 15.8 1.4 n/a n/a
2002 8.1 -0.3 0.64 0.0
2001 25.0 5.0 0.00 0.0
2000 14.6 2.8 0.00 0.0
1999 21.1 5.6 0.00 0.0
1998 24.1 4.5 0.00 0.0
1997 21.8 8.5 0.24 0.0
1996 15.0 6.5 0.74 0.0
1995 12.9 4.4 0.00 0.0
1994 11.5 5.1 0.62 0.0
1993 18.1 11.0 0.11 0.0
1992 11.4 7.2 0.02 0.0
1991 20.1 9.7 0.00 0.0
1990 23.7 14.1 0.00 0.0
1989 18.4 7.2 0.00 0.0
1988 9.8 5.2 0.02 0.0
1987 8.3 1.8 0.02 0.0
1986 21.5 6.9 0.06 0.0
1985 26.1 5.5 0.00 0.0
1984 21.8 8.6 0.30 0.0
1983 18.0 6.5 0.46 0.0
1982 22.5 3.0 0.00 0.0
1981 13.0 4.5 0.00 0.0
1980 15.0 10.0 0.00 0.0
1979 15.0 2.5 0.12 0.0
1978 3.5 -5.0 0.00 0.0
1977 20.0 3.9 0.00 0.0
1976 16.7 2.8 0.00 0.0
1975 17.8 4.4 0.00 0.0
1974 17.2 5.0 0.56 0.0
1973 13.3 1.7 0.00 0.0
1972 21.1 0.6 0.00 0.0
1971 14.4 3.3 0.00 0.0
1970 27.8 8.3 0.00 0.0
1969 13.9 -0.6 0.00 0.0
1968 13.9 6.7 1.04 0.0
1967 18.9 1.1 0.00 0.0
1966 12.8 0.6 0.20 0.0
1965 20.0 7.2 0.00 0.0
1964 19.4 7.8 0.00 0.0
1963 15.0 8.9 1.93 1.3
1962 9.4 5.0 0.30 0.0
1961 11.1 0.0 0.00 0.0
1960 18.3 6.1 0.08 0.0
1959 13.3 6.7 0.00 0.0
1958 12.2 -3.9 0.00 0.0
1957 15.6 1.7 0.00 0.0
1956 10.6 1.7 0.00 0.0
1955 20.6 8.9 0.00 0.0
1954 21.7 4.4 0.00 0.0
1953 12.2 0.0 0.23 0.0
1952 15.6 5.0 0.00 0.0
1951 18.3 5.0 n/a n/a
1950 12.8 -1.7 0.00 0.0
1949 20.6 1.7 0.00 0.0
1948 10.6 6.7 0.89 0.0
1947 12.8 -1.1 2.69 0.0
1946 16.1 1.7 0.00 0.0
1945 14.4 3.3 0.00 0.0
1944 21.1 5.6 0.00 0.0
1943 5.6 3.9 1.14 0.0
1942 25.6 8.3 0.00 0.0
1941 22.8 9.4 0.00 0.0
1940 22.8 7.8 0.48 0.0
1939 11.1 -0.6 0.00 0.0
1938 10.0 5.6 0.00 0.0
1937 20.0 1.7 0.00 0.0
1936 17.8 12.2 0.00 0.0
1935 8.3 3.9 0.76 0.0
1934 22.2 4.4 0.00 0.0
1933 19.4 2.8 0.00 0.0
1932 12.2 6.1 0.08 0.0
1931 5.6 -0.6 0.00 0.0
1930 22.2 0.6 0.00 0.0
1929 12.2 0.0 0.00 0.0
1928 13.3 -0.6 1.02 0.0
1927 12.2 -2.2 0.00 0.0
1926 12.8 -2.2 0.00 0.0
1925 15.6 -2.2 0.00 0.0
1924 18.3 7.2 0.00 0.0
1923 13.9 1.7 0.00 0.0
1922 13.9 -1.7 0.00 0.0
1921 18.9 12.8 1.27 0.0
1920 12.8 2.8 0.00 0.0
1919 13.9 1.7 0.00 0.0
1918 15.6 5.6 0.58 0.0
1917 18.9 5.6 0.00 0.0
1916 22.8 -1.1 0.00 0.0
1915 17.8 7.2 0.00 0.0
1914 11.7 1.7 0.00 0.0
1913 15.6 0.0 0.00 0.0
1912 17.8 0.0 0.00 0.0
1911 21.7 11.1 0.00 0.0
1910 13.9 1.7 0.33 0.0
1909 3.9 -2.8 1.17 10.2
1908 9.4 2.8 0.36 0.0
1907 16.1 1.1 4.37 0.0
1906 16.1 7.2 0.20 0.0
1905 15.6 2.2 0.23 0.0
1904 14.4 7.8 0.30 0.0
1903 27.8 7.8 0.00 0.0
1902 20.6 11.1 2.77 0.0
1901 15.6 5.6 0.28 0.0
1900 20.6 6.7 0.00 0.0
1899 28.9 12.2 0.15 0.0
1898 18.9 3.3 0.00 0.0
1897 17.8 3.3 0.00 0.0
1896 16.7 2.8 0.00 0.0
1895 16.1 9.4 0.00 0.0
1894 22.8 2.8 0.00 0.0
1893 14.4 1.1 0.00 0.0
1892 8.3 0.0 0.00 0.0
1891 25.0 1.7 0.00 0.0
1890 9.4 3.9 0.23 0.0
What's the all-time high for Ottawa on 4/30?
For the date of Apr 30, the highest temperature ever reached in Ottawa history is 28.9 °C which happened in 1899.
Highest Temperatures in Ottawa on April 30
Rank Temperature Year
1 28.9 °C 1899
2 27.8 °C 1903
2 27.8 °C 1970
4 26.3 °C 2004
5 26.1 °C 1985
6 25.6 °C 1942
7 25.0 °C 1891
7 25.0 °C 2001
9 24.1 °C 1998
10 23.7 °C 1990
What's the all-time low for Ottawa on 4/30?
For the date of Apr 30, the lowest temperature ever reached in Ottawa history is -5.0 °C which happened in 1978.
Lowest Temperatures in Ottawa on April 30
Rank Temperature Year
1 -5.0 °C 1978
2 -3.9 °C 1958
3 -2.8 °C 1909
4 -2.2 °C 1925
4 -2.2 °C 1926
4 -2.2 °C 1927
7 -2.1 °C 2012
8 -1.7 °C 1922
8 -1.7 °C 1950
10 -1.1 °C 1947
10 -1.1 °C 1916
Lowest High Temperatures in Ottawa on April 30
Rank Temperature Year
1 3.5 °C 1978
2 3.9 °C 1909
3 5.6 °C 1931
3 5.6 °C 1943
5 6.0 °C 2017
6 8.0 °C 2014
7 8.1 °C 2002
8 8.2 °C 2005
9 8.3 °C 1987
9 8.3 °C 1935
9 8.3 °C 1892
What's the most it has ever rained in Ottawa on 4/30?
For the date of Apr 30, the most precipitation ever recorded in Ottawa history is 4.37 cm which happened in 1907.
All-Time Most Precipitation in Ottawa on April 30
Rank Precipitation Year
1 4.37 cm 1907
2 4.10 cm 2023
3 3.04 cm 2017
4 2.77 cm 1902
5 2.69 cm 1947
6 1.93 cm 1963
7 1.80 cm 2014
8 1.60 cm 2021
9 1.31 cm 2009
10 1.27 cm 1921
All-Time Most Snow in Ottawa on April 30
Rank Precipitation Year
1 10.2 cm 1909
2 1.3 cm 1963
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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