Bozeman May 18 Weather Records

Daily averages and all-time records for weather in Bozeman, Montana for the date of May 18.
May 18 All-Time Records
1892–2024
Highest temperature 85 °F 2009
Lowest temperature 21 °F 1903
Lowest daily high 38 °F 1903
Highest daily low 56 °F 1948
Most precipitation 1.32 inches 1944
Most snow 5.0 inches 2017
May 18 Average Weather
1991–2020 1
Average high 65.1 °F
Average low 39.8 °F
Chance precipitation 51.1%
Chance snow 4.4%
Bozeman May 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 70 44 0.00 0.0
2022 70 38 0.00 0.0
2021 79 48 0.00 0.0
2020 75 48 0.00 0.0
2019 45 36 0.25 0.0
2018 65 43 0.08 0.0
2017 45 32 0.72 5.0
2016 68 39 0.00 0.0
2015 45 35 0.01 0.0
2014 67 42 0.24 0.0
2013 58 44 0.41 0.0
2012 63 43 0.32 0.0
2011 58 40 0.00 0.0
2010 77 52 0.00 0.0
2009 85 48 0.02 0.0
2008 80 39 0.00 0.0
2007 84 50 0.02 0.0
2006 84 48 0.00 0.0
2005 67 40 0.00 0.0
2004 61 42 0.10 0.0
2003 59 29 0.35 3.5
2002 71 42 0.00 0.0
2001 66 29 0.00 0.0
2000 66 35 0.00 0.0
1999 66 43 0.00 0.0
1998 60 33 0.00 0.0
1997 72 36 0.00 0.0
1996 58 39 0.48 0.0
1995 67 46 0.00 0.0
1994 65 36 0.00 0.0
1993 75 42 0.04 0.0
1992 79 49 0.00 0.0
1991 65 46 0.08 0.0
1990 60 43 0.04 0.0
1989 70 33 0.22 0.6
1988 59 40 0.07 0.0
1987 54 42 0.34 0.0
1986 66 39 0.00 0.0
1985 72 39 0.00 0.0
1984 67 42 0.00 0.0
1983 60 40 0.15 0.0
1982 71 49 0.03 0.0
1981 64 45 0.01 0.0
1980 68 41 0.01 0.0
1979 67 42 0.00 0.0
1978 45 40 0.84 0.0
1977 40 34 0.10 0.0
1976 80 38 0.00 0.0
1975 70 41 0.00 0.0
1974 51 34 0.08 0.0
1973 79 48 0.00 0.0
1972 76 41 0.00 0.0
1971 48 32 0.38 1.5
1970 76 44 0.02 0.0
1969 70 40 0.07 0.0
1968 60 34 0.00 0.0
1967 73 45 0.00 0.0
1966 55 30 0.00 0.0
1965 59 27 0.00 0.0
1964 76 39 0.00 0.0
1963 65 41 0.00 0.0
1962 68 40 0.00 0.0
1961 56 38 0.04 0.0
1960 45 27 0.04 0.0
1959 60 41 0.04 0.0
1958 74 46 0.00 0.0
1957 67 41 0.01 0.0
1956 76 46 0.00 0.0
1955 66 34 0.00 0.0
1954 80 47 0.00 0.0
1953 67 41 0.00 n/a
1952 60 38 0.05 0.0
1951 70 43 0.55 0.0
1950 64 28 0.68 0.0
1949 45 31 0.01 0.0
1948 85 56 0.00 n/a
1947 65 40 0.03 n/a
1946 67 37 0.10 n/a
1945 51 32 0.22 n/a
1944 61 44 1.32 n/a
1943 56 30 0.00 n/a
1942 54 27 0.00 n/a
1941 75 32 0.28 n/a
1940 65 36 0.00 n/a
1939 66 40 0.17 n/a
1938 53 36 0.11 n/a
1937 82 50 0.00 n/a
1936 70 38 0.00 n/a
1935 49 36 0.92 n/a
1934 74 46 0.00 n/a
1933 58 37 0.07 n/a
1932 78 46 0.00 n/a
1931 47 35 0.00 0.0
1930 66 45 0.01 n/a
1929 66 35 0.00 n/a
1928 70 46 0.00 n/a
1927 56 29 0.00 n/a
1926 63 45 0.04 n/a
1925 76 47 0.00 n/a
1924 72 42 0.00 n/a
1923 64 43 0.03 n/a
1922 74 40 0.00 n/a
1921 58 41 0.13 n/a
1920 60 38 0.00 n/a
1919 76 38 0.00 n/a
1918 n/a 32 0.20 n/a
1917 63 37 0.00 n/a
1916 58 35 0.00 n/a
1915 45 34 0.00 n/a
1914 62 39 0.09 n/a
1913 40 32 0.65 n/a
1912 67 43 0.10 n/a
1911 56 37 0.00 n/a
1910 71 37 0.00 n/a
1909 54 25 0.08 n/a
1908 67 38 0.00 n/a
1907 62 43 0.27 n/a
1906 67 36 0.00 n/a
1905 49 32 0.77 n/a
1904 69 47 0.00 n/a
1903 38 21 n/a n/a
1902 46 32 0.23 n/a
1901 71 45 0.07 n/a
1900 58 39 0.00 n/a
1899 n/a n/a n/a n/a
1898 59 41 0.52 0.0
1897 77 46 0.00 n/a
1896 50 26 0.10 n/a
1895 69 48 0.00 n/a
1894 66 44 0.00 n/a
1893 n/a 37 0.02 0.0
1892 74 31 0.00 n/a
What's the all-time high for Bozeman on 5/18?
For the date of May 18, the highest temperature ever reached in Bozeman history is 85 °F which has happened 2 times, most recently in 2009.
Highest Temperatures in Bozeman on May 18
Rank Temperature Year
1 85 °F 1948
1 85 °F 2009
3 84 °F 2007
3 84 °F 2006
5 82 °F 1937
6 80 °F 1954
6 80 °F 2008
6 80 °F 1976
9 79 °F 1973
9 79 °F 1992
9 79 °F 2021
What's the all-time low for Bozeman on 5/18?
For the date of May 18, the lowest temperature ever reached in Bozeman history is 21 °F which happened in 1903.
Lowest Temperatures in Bozeman on May 18
Rank Temperature Year
1 21 °F 1903
2 25 °F 1909
3 26 °F 1896
4 27 °F 1942
4 27 °F 1960
4 27 °F 1965
7 28 °F 1950
8 29 °F 2001
8 29 °F 2003
8 29 °F 1927
Lowest High Temperatures in Bozeman on May 18
Rank Temperature Year
1 38 °F 1903
2 40 °F 1977
2 40 °F 1913
4 45 °F 1915
4 45 °F 1978
4 45 °F 2019
4 45 °F 1949
4 45 °F 2017
4 45 °F 2015
4 45 °F 1960
What's the most it has ever rained in Bozeman on 5/18?
For the date of May 18, the most precipitation ever recorded in Bozeman history is 1.32 inches which happened in 1944.
All-Time Most Precipitation in Bozeman on May 18
Rank Precipitation Year
1 1.32 inches 1944
2 0.92 inches 1935
3 0.84 inches 1978
4 0.77 inches 1905
5 0.72 inches 2017
6 0.68 inches 1950
7 0.65 inches 1913
8 0.55 inches 1951
9 0.52 inches 1898
10 0.48 inches 1996
All-Time Most Snow in Bozeman on May 18
Rank Precipitation Year
1 5.0 inches 2017
2 3.5 inches 2003
3 1.5 inches 1971
4 0.6 inches 1989
Weather Station Details
Years Station Coordinates
1892–2024 Bozeman Montana State University location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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