Ottawa May 30 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of May 30.
May 30 All-Time Records
1889–2024
Highest temperature 34.4 °C 1895
Lowest temperature 1.1 °C 1961
Lowest daily high 10.0 °C 1930
Highest daily low 19.4 °C 1929
Most precipitation 2.12 cm 2008
Most snow none -
May 30 Average Weather
1991–2020 1
Average high 21.8 °C
Average low 10.8 °C
Chance precipitation 43.1%
Chance snow 0.1%
Ottawa May 30 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 28.0 11.0 0.00 0.0
2022 29.5 14.0 0.00 0.0
2021 21.0 3.0 0.00 0.0
2020 20.0 12.0 0.82 0.0
2019 22.0 8.0 0.24 0.0
2018 29.5 12.5 0.00 0.0
2017 22.5 14.0 0.52 0.0
2016 28.5 18.5 0.00 0.0
2015 29.5 17.5 1.38 0.0
2014 23.3 10.5 0.00 0.0
2013 30.0 14.2 0.12 0.0
2012 23.0 12.8 0.00 0.0
2011 26.7 15.5 0.00 0.0
2010 21.2 15.7 0.00 0.0
2009 18.5 9.5 0.00 0.0
2008 22.5 6.4 2.12 0.0
2007 26.3 12.4 0.85 0.0
2006 31.3 18.9 0.00 0.0
2005 20.6 12.5 0.06 0.0
2004 20.1 5.6 0.00 0.0
2003 20.7 10.9 0.05 0.0
2002 24.3 17.3 1.80 0.0
2001 10.2 4.2 0.13 0.0
2000 23.6 7.4 0.00 0.0
1999 33.0 14.8 0.00 0.0
1998 20.0 11.6 0.20 0.0
1997 15.8 14.0 0.22 0.0
1996 19.8 3.9 0.00 0.0
1995 25.9 12.8 0.00 0.0
1994 25.8 13.7 0.08 0.0
1993 20.1 6.6 0.04 0.0
1992 22.3 6.2 1.06 0.0
1991 19.7 14.0 0.16 0.0
1990 17.7 7.3 0.00 0.0
1989 15.3 13.2 0.14 0.0
1988 29.0 16.4 0.05 0.0
1987 32.2 18.7 0.00 0.0
1986 23.8 15.6 0.00 0.0
1985 23.9 5.6 0.00 0.0
1984 13.0 7.3 0.06 0.0
1983 18.5 10.5 0.78 0.0
1982 26.5 14.0 0.32 0.0
1981 22.0 15.0 0.12 0.0
1980 21.0 10.0 1.20 0.0
1979 16.5 11.5 0.62 0.0
1978 31.0 16.5 0.00 0.0
1977 23.0 8.0 0.00 0.0
1976 25.6 10.0 0.00 0.0
1975 21.1 12.8 0.74 0.0
1974 20.0 10.6 0.00 0.0
1973 21.1 8.3 0.20 0.0
1972 25.0 15.0 1.30 0.0
1971 26.1 6.7 0.00 0.0
1970 23.9 8.3 0.00 0.0
1969 25.6 12.2 0.00 0.0
1968 18.3 10.0 0.23 0.0
1967 15.6 4.4 0.00 0.0
1966 13.9 4.4 0.00 0.0
1965 16.7 6.1 0.05 0.0
1964 17.8 2.8 0.00 0.0
1963 19.4 11.1 0.00 0.0
1962 28.9 15.6 0.00 0.0
1961 11.7 1.1 0.00 0.0
1960 23.3 10.0 0.28 0.0
1959 26.1 17.2 0.00 0.0
1958 21.7 10.0 0.00 0.0
1957 22.8 10.6 0.00 0.0
1956 21.7 12.8 0.48 0.0
1955 19.4 13.9 0.69 0.0
1954 21.7 7.2 0.00 0.0
1953 18.9 4.4 0.00 0.0
1952 20.0 4.4 0.00 0.0
1951 22.8 8.9 0.00 0.0
1950 18.3 13.3 0.36 0.0
1949 13.9 6.7 0.05 0.0
1948 21.7 6.7 0.00 0.0
1947 12.8 4.4 0.00 0.0
1946 23.9 11.1 0.00 0.0
1945 11.7 3.3 1.50 0.0
1944 30.0 13.3 0.00 0.0
1943 22.2 10.0 0.00 0.0
1942 26.1 17.2 0.00 0.0
1941 21.7 6.1 0.00 0.0
1940 22.8 6.7 0.00 0.0
1939 26.7 10.6 0.00 0.0
1938 22.2 10.0 0.00 0.0
1937 30.6 13.9 0.00 0.0
1936 14.4 4.4 0.00 0.0
1935 25.0 10.0 0.10 0.0
1934 25.6 5.6 0.00 0.0
1933 24.4 15.6 0.00 0.0
1932 22.2 7.2 0.00 0.0
1931 22.2 13.9 0.51 0.0
1930 10.0 5.6 0.36 0.0
1929 31.1 19.4 0.10 0.0
1928 17.8 7.2 0.15 0.0
1927 21.1 6.1 0.00 0.0
1926 27.2 8.9 0.00 0.0
1925 23.3 7.8 0.18 0.0
1924 12.8 4.4 0.00 0.0
1923 23.3 7.2 0.00 0.0
1922 24.4 10.6 0.00 0.0
1921 27.8 15.6 0.00 0.0
1920 27.8 7.2 0.00 0.0
1919 26.1 12.8 0.00 0.0
1918 25.0 8.3 0.00 0.0
1917 23.9 2.8 0.00 0.0
1916 20.0 13.3 1.83 0.0
1915 23.3 3.3 0.00 0.0
1914 25.6 17.2 0.41 0.0
1913 21.1 4.4 0.00 0.0
1912 13.3 8.3 1.37 0.0
1911 23.9 11.1 0.00 0.0
1910 18.3 12.8 1.27 0.0
1909 22.8 8.3 0.00 0.0
1908 21.7 16.1 0.53 0.0
1907 16.7 1.7 0.00 0.0
1906 18.3 2.8 0.00 0.0
1905 18.9 8.9 0.00 0.0
1904 21.1 12.2 0.00 0.0
1903 17.2 1.7 0.00 0.0
1902 16.7 6.7 0.74 0.0
1901 18.3 10.6 0.38 0.0
1900 21.7 8.9 0.08 0.0
1899 n/a n/a n/a n/a
1898 18.9 10.0 0.00 0.0
1897 21.7 7.8 0.00 0.0
1896 12.8 7.2 0.00 0.0
1895 34.4 16.1 1.24 0.0
1894 15.6 2.8 0.05 0.0
1893 17.2 6.7 0.23 0.0
1892 26.1 10.0 0.00 0.0
1891 27.8 13.9 0.00 0.0
1890 24.4 9.4 0.00 0.0
What's the all-time high for Ottawa on 5/30?
For the date of May 30, the highest temperature ever reached in Ottawa history is 34.4 °C which happened in 1895.
Highest Temperatures in Ottawa on May 30
Rank Temperature Year
1 34.4 °C 1895
2 33.0 °C 1999
3 32.2 °C 1987
4 31.3 °C 2006
5 31.1 °C 1929
6 31.0 °C 1978
7 30.6 °C 1937
8 30.0 °C 1944
8 30.0 °C 2013
10 29.5 °C 2015
10 29.5 °C 2018
10 29.5 °C 2022
What's the all-time low for Ottawa on 5/30?
For the date of May 30, the lowest temperature ever reached in Ottawa history is 1.1 °C which happened in 1961.
Lowest Temperatures in Ottawa on May 30
Rank Temperature Year
1 1.1 °C 1961
2 1.7 °C 1907
2 1.7 °C 1903
4 2.8 °C 1906
4 2.8 °C 1917
4 2.8 °C 1894
4 2.8 °C 1964
8 3.0 °C 2021
9 3.3 °C 1945
9 3.3 °C 1915
Lowest High Temperatures in Ottawa on May 30
Rank Temperature Year
1 10.0 °C 1930
2 10.2 °C 2001
3 11.7 °C 1961
3 11.7 °C 1945
5 12.8 °C 1896
5 12.8 °C 1924
5 12.8 °C 1947
8 13.0 °C 1984
9 13.3 °C 1912
10 13.9 °C 1966
10 13.9 °C 1949
What's the most it has ever rained in Ottawa on 5/30?
For the date of May 30, the most precipitation ever recorded in Ottawa history is 2.12 cm which happened in 2008.
All-Time Most Precipitation in Ottawa on May 30
Rank Precipitation Year
1 2.12 cm 2008
2 1.83 cm 1916
3 1.80 cm 2002
4 1.50 cm 1945
5 1.38 cm 2015
6 1.37 cm 1912
7 1.30 cm 1972
8 1.27 cm 1910
9 1.24 cm 1895
10 1.20 cm 1980
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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