Ottawa May 25 Weather Records

Daily averages and all-time records for weather in Ottawa, Ontario for the date of May 25.
May 25 All-Time Records
1889–2024
Highest temperature 32.3 °C 2010
Lowest temperature -3.3 °C 1956
Lowest daily high 11.7 °C 1969
Highest daily low 19.0 °C 2012
Most precipitation 4.47 cm 1943
Most snow 1.8 cm 1961
May 25 Average Weather
1991–2020 1
Average high 20.9 °C
Average low 9.8 °C
Chance precipitation 43.5%
Chance snow 0.2%
Ottawa May 25 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 18.0 4.0 0.00 0.0
2022 22.5 5.5 0.24 0.0
2021 28.0 10.5 0.00 0.0
2020 23.5 17.0 0.00 0.0
2019 19.5 8.5 0.44 0.0
2018 27.5 16.0 0.48 0.0
2017 19.0 14.5 1.22 0.0
2016 26.0 16.0 0.00 0.0
2015 23.4 14.3 3.03 0.0
2014 26.4 8.0 0.05 0.0
2013 15.3 6.5 0.00 0.0
2012 28.5 19.0 0.69 0.0
2011 18.6 6.1 0.54 0.0
2010 32.3 16.8 0.00 0.0
2009 15.1 6.1 0.00 0.0
2008 24.3 4.8 0.21 0.0
2007 31.4 16.2 0.00 0.0
2006 26.5 7.9 0.00 0.0
2005 23.5 10.3 0.00 0.0
2004 14.5 9.5 0.03 0.0
2003 17.5 12.2 0.18 0.0
2002 16.5 1.8 0.18 0.0
2001 23.5 10.0 0.00 0.0
2000 17.9 11.4 0.79 0.0
1999 13.7 10.2 0.30 0.0
1998 28.0 10.7 0.02 0.0
1997 17.0 11.2 0.00 0.0
1996 17.2 3.8 0.00 0.0
1995 20.8 8.8 0.00 0.0
1994 20.3 13.0 0.10 0.0
1993 15.6 13.0 0.22 0.0
1992 15.1 3.0 0.00 0.0
1991 25.7 17.8 0.00 0.0
1990 23.0 8.2 0.00 0.0
1989 24.8 10.4 0.00 0.0
1988 15.9 7.2 0.00 0.0
1987 19.4 5.1 0.00 0.0
1986 26.0 11.4 0.00 0.0
1985 22.8 10.4 0.28 0.0
1984 23.8 12.2 0.22 0.0
1983 21.0 3.5 0.80 0.0
1982 18.5 10.0 0.00 0.0
1981 20.5 15.5 0.18 0.0
1980 20.0 14.5 0.00 0.0
1979 13.5 9.0 0.86 0.0
1978 29.5 13.0 0.00 0.0
1977 22.0 16.0 0.00 0.0
1976 18.9 10.0 0.00 0.0
1975 24.4 11.7 0.00 0.0
1974 15.6 8.3 0.28 0.0
1973 19.4 7.8 0.00 0.0
1972 18.9 8.3 0.00 0.0
1971 21.1 9.4 0.66 0.0
1970 17.2 7.2 0.51 0.0
1969 11.7 4.4 0.00 0.0
1968 20.6 7.2 0.00 0.0
1967 18.9 7.2 0.00 0.0
1966 24.4 13.3 0.00 0.0
1965 28.3 7.8 0.00 0.0
1964 14.4 10.0 0.00 0.0
1963 20.6 1.1 0.00 0.0
1962 20.0 12.2 0.00 0.0
1961 15.6 8.9 1.98 1.8
1960 22.2 12.8 0.00 0.0
1959 22.8 2.2 0.00 0.0
1958 21.7 12.2 0.00 0.0
1957 25.6 5.6 0.00 0.0
1956 14.4 -3.3 0.00 0.0
1955 20.0 16.7 0.53 0.0
1954 22.8 10.0 0.00 0.0
1953 21.1 7.2 0.00 0.0
1952 15.0 12.8 2.13 0.0
1951 26.7 5.6 0.00 0.0
1950 27.8 10.6 0.00 0.0
1949 12.8 5.0 0.53 0.0
1948 18.9 3.3 0.00 0.0
1947 17.2 9.4 2.97 0.0
1946 25.6 16.7 0.05 0.0
1945 23.3 5.6 0.00 0.0
1944 26.7 10.6 0.00 0.0
1943 18.3 11.7 4.47 0.0
1942 17.8 9.4 0.00 0.0
1941 18.9 1.7 0.00 0.0
1940 20.0 13.9 3.40 0.0
1939 23.3 11.7 0.00 0.0
1938 15.6 2.2 0.00 0.0
1937 22.8 4.4 0.00 0.0
1936 18.9 11.7 0.00 0.0
1935 23.9 5.0 0.00 0.0
1934 18.3 1.7 0.00 0.0
1933 23.9 10.0 0.00 0.0
1932 28.3 11.1 0.00 0.0
1931 16.1 7.2 0.00 0.0
1930 16.1 7.2 0.25 0.0
1929 16.7 6.1 0.00 0.0
1928 14.4 7.8 1.88 0.0
1927 17.8 10.0 1.60 0.0
1926 15.6 3.9 0.00 0.0
1925 14.4 3.9 0.00 0.0
1924 15.6 1.7 0.00 0.0
1923 29.4 11.7 0.00 0.0
1922 29.4 15.6 0.00 0.0
1921 16.1 8.9 0.81 0.0
1920 23.3 12.2 0.00 0.0
1919 19.4 9.4 0.30 0.0
1918 21.7 7.2 0.00 0.0
1917 14.4 3.9 0.10 0.0
1916 21.1 11.7 0.00 0.0
1915 24.4 6.1 0.00 0.0
1914 23.9 7.2 0.10 0.0
1913 13.9 5.6 0.15 0.0
1912 21.7 10.0 0.00 0.0
1911 23.9 12.8 0.08 0.0
1910 21.7 13.3 0.13 0.0
1909 19.4 6.7 0.00 0.0
1908 27.2 11.1 0.00 0.0
1907 17.2 0.0 0.00 0.0
1906 18.9 11.1 1.14 0.0
1905 26.1 6.1 0.00 0.0
1904 19.4 11.1 0.94 0.0
1903 23.3 1.7 0.00 0.0
1902 25.6 12.8 0.00 0.0
1901 18.3 6.1 0.46 0.0
1900 26.1 10.0 0.00 0.0
1899 n/a n/a n/a n/a
1898 20.0 12.2 1.02 0.0
1897 15.6 6.1 0.00 0.0
1896 24.4 7.8 0.00 0.0
1895 26.1 7.2 0.15 0.0
1894 18.3 10.6 0.00 0.0
1893 16.1 6.7 0.41 0.0
1892 21.1 10.0 0.10 0.0
1891 20.6 6.1 0.00 0.0
1890 24.4 12.8 0.18 0.0
What's the all-time high for Ottawa on 5/25?
For the date of May 25, the highest temperature ever reached in Ottawa history is 32.3 °C which happened in 2010.
Highest Temperatures in Ottawa on May 25
Rank Temperature Year
1 32.3 °C 2010
2 31.4 °C 2007
3 29.5 °C 1978
4 29.4 °C 1922
4 29.4 °C 1923
6 28.5 °C 2012
7 28.3 °C 1965
7 28.3 °C 1932
9 28.0 °C 2021
9 28.0 °C 1998
What's the all-time low for Ottawa on 5/25?
For the date of May 25, the lowest temperature ever reached in Ottawa history is -3.3 °C which happened in 1956.
Lowest Temperatures in Ottawa on May 25
Rank Temperature Year
1 -3.3 °C 1956
2 0.0 °C 1907
3 1.1 °C 1963
4 1.7 °C 1934
4 1.7 °C 1941
4 1.7 °C 1903
4 1.7 °C 1924
8 1.8 °C 2002
9 2.2 °C 1938
9 2.2 °C 1959
Lowest High Temperatures in Ottawa on May 25
Rank Temperature Year
1 11.7 °C 1969
2 12.8 °C 1949
3 13.5 °C 1979
4 13.7 °C 1999
5 13.9 °C 1913
6 14.4 °C 1917
6 14.4 °C 1928
6 14.4 °C 1964
6 14.4 °C 1925
6 14.4 °C 1956
What's the most it has ever rained in Ottawa on 5/25?
For the date of May 25, the most precipitation ever recorded in Ottawa history is 4.47 cm which happened in 1943.
All-Time Most Precipitation in Ottawa on May 25
Rank Precipitation Year
1 4.47 cm 1943
2 3.40 cm 1940
3 3.03 cm 2015
4 2.97 cm 1947
5 2.13 cm 1952
6 1.98 cm 1961
7 1.88 cm 1928
8 1.60 cm 1927
9 1.22 cm 2017
10 1.14 cm 1906
All-Time Most Snow in Ottawa on May 25
Rank Precipitation Year
1 1.8 cm 1961
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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