Calgary October 31 Weather Records

Daily averages and all-time records for weather in Calgary, Alberta for the date of October 31 (Halloween).
October 31 All-Time Records
1881–2024
Highest temperature 21.1 °C 1958
Lowest temperature -25.7 °C 1984
Lowest daily high -15.7 °C 1984
Highest daily low 7.2 °C 1890
Most precipitation 0.72 cm 2017
Most snow 9.1 cm 1967
October 31 Average Weather
1991–2020 1
Average high 7.5 °C
Average low -4.4 °C
Chance precipitation 26.5%
Chance snow 20.6%
Calgary October 31 Weather by Year
Year High (°C) Low (°C) Precip. (cm) Snow (cm)
2023 8.0 -3.8 0.00 0.0
2022 8.3 0.2 0.00 0.0
2021 1.9 -9.6 0.00 0.0
2020 10.1 -3.4 0.00 0.0
2019 4.5 -2.6 0.03 0.3
2018 11.1 0.2 0.00 0.0
2017 5.5 -2.5 0.72 0.0
2016 5.2 -1.5 0.02 0.0
2015 9.1 -2.5 0.00 0.0
2014 17.4 1.4 0.00 0.0
2013 11.8 0.2 0.00 0.0
2012 -3.8 -7.1 0.08 0.8
2011 9.5 -0.1 0.10 1.0
2010 13.5 -1.8 0.00 0.0
2009 14.4 1.3 0.00 0.0
2008 16.6 -0.9 0.00 0.0
2007 11.1 -4.0 0.00 0.0
2006 -4.1 -16.0 0.00 0.0
2005 12.2 -2.8 0.00 0.0
2004 6.8 -5.1 0.00 0.0
2003 -6.1 -20.0 0.00 0.0
2002 4.1 -15.0 0.00 0.0
2001 13.4 0.6 0.20 0.0
2000 10.0 -7.6 0.00 0.0
1999 4.8 -8.1 0.10 1.4
1998 10.7 -3.8 0.00 0.0
1997 13.8 3.3 0.00 0.0
1996 6.0 -9.5 0.00 0.0
1995 -3.9 -9.1 0.15 2.2
1994 2.2 -8.2 0.02 0.2
1993 n/a n/a n/a n/a
1992 7.6 0.1 0.00 0.0
1991 -4.0 -15.7 0.02 0.2
1990 8.1 -2.5 0.20 4.0
1989 -2.7 -7.9 0.00 0.0
1988 11.8 -2.1 0.00 0.0
1987 17.5 0.8 0.00 0.0
1986 -3.4 -11.7 0.04 1.4
1985 6.1 -5.8 0.00 0.0
1984 -15.7 -25.7 0.00 0.0
1983 17.9 5.5 0.00 0.0
1982 10.4 2.5 0.00 0.0
1981 19.5 3.4 0.00 0.0
1980 13.4 -3.8 0.00 0.0
1979 6.3 -6.1 0.00 0.0
1978 16.6 4.1 0.00 0.0
1977 8.5 -1.0 0.00 0.0
1976 15.6 2.2 0.00 0.0
1975 12.8 -2.2 0.00 0.0
1974 2.2 -1.7 0.00 0.0
1973 3.9 -8.9 0.05 0.8
1972 9.4 -3.3 0.00 0.0
1971 1.1 -8.3 0.03 0.5
1970 7.2 -7.2 0.00 0.0
1969 11.7 -2.2 0.00 0.0
1968 7.8 -1.1 0.33 0.3
1967 7.8 -2.2 0.66 9.1
1966 6.7 -7.2 0.00 0.0
1965 12.2 -3.3 0.00 0.0
1964 15.0 -3.3 0.00 0.0
1963 9.4 -6.7 0.00 0.0
1962 12.2 2.2 0.00 0.0
1961 16.1 6.7 0.00 0.0
1960 12.8 -0.6 0.00 0.0
1959 15.0 -3.3 0.00 0.0
1958 21.1 -2.2 0.00 0.0
1957 5.6 -0.6 0.00 0.0
1956 -0.6 -10.6 0.00 0.0
1955 -5.6 -8.3 0.18 1.8
1954 9.4 -2.2 0.00 0.0
1953 15.6 0.0 0.00 0.0
1952 9.4 -4.4 0.00 0.0
1951 -8.9 -13.3 0.00 0.0
1950 6.1 -4.4 0.00 0.0
1949 18.9 6.1 0.00 0.0
1948 8.3 -8.3 0.00 0.0
1947 8.9 -2.8 0.00 0.0
1946 8.3 0.0 0.00 0.0
1945 10.6 -5.0 0.46 4.6
1944 0.0 -1.7 0.25 2.5
1943 2.8 -5.6 0.00 0.0
1942 3.3 -6.7 0.10 1.0
1941 12.2 -3.9 0.00 0.0
1940 8.3 0.0 0.00 0.0
1939 16.7 -2.8 0.00 0.0
1938 6.1 -2.2 0.00 0.0
1937 7.2 1.1 0.00 0.0
1936 -6.7 -11.1 0.36 3.6
1935 -13.9 -17.2 0.00 0.0
1934 1.1 -7.8 0.00 0.0
1933 -6.1 -7.2 0.25 2.5
1932 5.6 -11.1 0.00 0.0
1931 14.4 -1.1 0.00 0.0
1930 14.4 1.7 0.00 0.0
1929 4.4 -5.0 0.00 0.0
1928 -7.2 -16.1 0.00 0.0
1927 3.9 -8.9 0.00 0.0
1926 11.7 1.1 0.00 0.0
1925 10.0 -2.8 0.00 0.0
1924 7.8 -3.3 0.00 0.0
1923 14.4 -10.0 0.00 0.0
1922 11.1 -1.1 0.00 0.0
1921 11.1 -3.9 0.00 0.0
1920 5.0 -9.4 0.00 0.0
1919 4.4 -17.8 0.00 0.0
1918 18.9 3.3 0.00 0.0
1917 10.0 -7.8 0.00 0.0
1916 10.0 -1.1 0.00 0.0
1915 10.6 -0.6 0.00 0.0
1914 14.4 1.1 0.00 0.0
1913 11.1 -11.7 0.00 0.0
1912 11.1 -5.6 0.00 0.0
1911 -3.9 -6.7 0.13 1.3
1910 5.6 -5.6 0.00 0.0
1909 10.0 -5.0 0.00 0.0
1908 6.1 -4.4 0.00 0.0
1907 10.6 -6.7 0.00 0.0
1906 8.3 -3.3 0.00 0.0
1905 12.8 -8.9 0.00 0.0
1904 15.6 1.1 0.00 0.0
1903 14.4 -1.1 0.00 0.0
1902 8.9 -5.6 0.00 0.0
1901 4.4 -6.7 0.00 0.0
1900 9.4 -3.3 0.00 0.0
1899 10.0 -5.6 0.00 0.0
1898 9.4 0.0 0.00 0.0
1897 17.8 -3.3 0.00 0.0
1896 10.6 -2.2 0.00 0.0
1895 14.4 -5.6 0.00 0.0
1894 5.0 -5.6 0.00 0.0
1893 6.1 -11.1 0.00 0.0
1892 1.1 -2.8 0.00 0.0
1891 -0.6 -14.4 0.00 0.0
1890 19.4 7.2 0.00 0.0
1889 14.4 -7.8 0.00 0.0
1888 2.2 -7.2 0.00 0.0
1887 18.3 4.4 0.00 0.0
1886 9.4 -8.3 0.00 0.0
1885 8.9 -8.3 0.00 0.0
1884 15.0 -5.6 0.00 0.0
1883 n/a n/a n/a n/a
1882 n/a n/a n/a n/a
1881 8.3 -1.7 0.00 0.0
What's the all-time high for Calgary on 10/31?
For the date of Oct 31, the highest temperature ever reached in Calgary history is 21.1 °C which happened in 1958.
Highest Temperatures in Calgary on October 31
Rank Temperature Year
1 21.1 °C 1958
2 19.5 °C 1981
3 19.4 °C 1890
4 18.9 °C 1949
4 18.9 °C 1918
6 18.3 °C 1887
7 17.9 °C 1983
8 17.8 °C 1897
9 17.5 °C 1987
10 17.4 °C 2014
What's the all-time low for Calgary on 10/31?
For the date of Oct 31, the lowest temperature ever reached in Calgary history is -25.7 °C which happened in 1984.
Lowest Temperatures in Calgary on October 31
Rank Temperature Year
1 -25.7 °C 1984
2 -20.0 °C 2003
3 -17.8 °C 1919
4 -17.2 °C 1935
5 -16.1 °C 1928
6 -16.0 °C 2006
7 -15.7 °C 1991
8 -15.0 °C 2002
9 -14.4 °C 1891
10 -13.3 °C 1951
Lowest High Temperatures in Calgary on October 31
Rank Temperature Year
1 -15.7 °C 1984
2 -13.9 °C 1935
3 -8.9 °C 1951
4 -7.2 °C 1928
5 -6.7 °C 1936
6 -6.1 °C 2003
6 -6.1 °C 1933
8 -5.6 °C 1955
9 -4.1 °C 2006
10 -4.0 °C 1991
What's the most it has ever rained in Calgary on 10/31?
For the date of Oct 31, the most precipitation ever recorded in Calgary history is 0.72 cm which happened in 2017.
All-Time Most Precipitation in Calgary on October 31
Rank Precipitation Year
1 0.72 cm 2017
2 0.66 cm 1967
3 0.46 cm 1945
4 0.36 cm 1936
5 0.33 cm 1968
6 0.25 cm 1933
6 0.25 cm 1944
8 0.20 cm 1990
8 0.20 cm 2001
10 0.18 cm 1955
All-Time Most Snow in Calgary on October 31
Rank Precipitation Year
1 9.1 cm 1967
2 4.6 cm 1945
3 4.0 cm 1990
4 3.6 cm 1936
5 2.5 cm 1944
5 2.5 cm 1933
7 2.2 cm 1995
8 1.8 cm 1955
9 1.4 cm 1999
9 1.4 cm 1986
Weather Station Details
Years Station Coordinates
2012–2024 Calgary International Airport location
1881–2012 Calgary International Airport location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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