Bozeman May 21 Weather Records

Daily averages and all-time records for weather in Bozeman, Montana for the date of May 21.
May 21 All-Time Records
1892–2024
Highest temperature 84 °F 1980
Lowest temperature 25 °F 1931
Lowest daily high 38 °F 2021
Highest daily low 56 °F 1948
Most precipitation 2.06 inches 1952
Most snow 3.3 inches 2021
May 21 Average Weather
1991–2020 1
Average high 65.9 °F
Average low 40.6 °F
Chance precipitation 52.5%
Chance snow 3.8%
Bozeman May 21 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 83 54 0.00 0.0
2022 53 26 0.02 0.0
2021 38 26 0.33 3.3
2020 63 51 0.01 0.0
2019 48 36 0.00 0.0
2018 69 45 0.36 0.0
2017 63 36 0.27 0.0
2016 59 42 0.41 0.0
2015 65 44 0.00 0.0
2014 68 43 0.00 0.0
2013 65 37 0.02 0.0
2012 79 46 0.00 0.0
2011 50 44 0.28 0.0
2010 57 31 0.12 0.0
2009 66 30 0.00 0.0
2008 83 35 0.45 0.0
2007 65 40 0.41 0.0
2006 79 43 0.01 0.0
2005 64 43 0.30 0.0
2004 65 41 0.03 0.0
2003 63 44 0.00 0.0
2002 77 45 0.17 0.0
2001 64 26 0.00 0.0
2000 69 48 0.00 0.0
1999 70 45 0.00 0.0
1998 77 51 0.01 0.0
1997 70 39 0.07 0.0
1996 65 38 0.00 0.0
1995 68 42 0.00 0.0
1994 63 36 0.02 0.0
1993 71 46 0.28 0.0
1992 65 44 0.08 0.0
1991 72 42 0.00 0.0
1990 66 36 0.00 0.0
1989 69 38 0.00 0.0
1988 70 39 0.00 0.0
1987 46 33 0.01 0.0
1986 71 55 0.00 0.0
1985 76 45 0.00 0.0
1984 59 38 0.00 0.0
1983 65 43 0.00 0.0
1982 71 37 0.00 0.0
1981 59 45 0.87 0.0
1980 84 54 0.00 0.0
1979 77 44 0.00 0.0
1978 73 44 0.00 0.0
1977 65 35 0.00 0.0
1976 70 37 0.00 0.0
1975 44 32 0.11 0.5
1974 45 31 0.37 3.0
1973 59 31 0.24 0.3
1972 61 44 0.01 0.0
1971 52 34 0.22 0.0
1970 58 45 0.53 0.0
1969 55 33 0.01 0.0
1968 65 38 0.11 0.0
1967 80 42 0.00 0.0
1966 80 46 0.00 0.0
1965 60 36 0.00 0.0
1964 80 44 0.00 0.0
1963 61 34 0.00 0.0
1962 54 39 0.50 0.0
1961 72 44 0.00 0.0
1960 62 36 0.04 0.0
1959 57 35 0.04 0.0
1958 80 52 0.00 0.0
1957 44 31 1.01 n/a
1956 74 51 0.00 0.0
1955 77 49 0.15 0.0
1954 70 48 0.38 0.0
1953 52 33 0.48 n/a
1952 45 32 2.06 1.5
1951 67 42 0.00 0.0
1950 75 36 0.00 0.0
1949 57 43 0.02 0.0
1948 76 56 0.00 n/a
1947 69 48 0.00 n/a
1946 64 39 0.00 n/a
1945 53 30 0.00 n/a
1944 68 40 0.00 n/a
1943 69 38 0.00 n/a
1942 71 42 0.00 n/a
1941 69 39 0.00 n/a
1940 66 36 0.00 n/a
1939 65 38 0.00 n/a
1938 50 28 0.00 n/a
1937 61 34 0.00 n/a
1936 56 28 0.00 n/a
1935 70 37 0.00 n/a
1934 64 30 0.00 n/a
1933 73 41 0.00 n/a
1932 76 53 0.00 n/a
1931 55 25 0.00 n/a
1930 74 30 0.44 n/a
1929 77 43 0.00 n/a
1928 79 45 0.00 n/a
1927 47 32 0.45 n/a
1926 67 36 0.03 n/a
1925 70 50 0.00 n/a
1924 69 37 0.00 n/a
1923 61 48 0.00 n/a
1922 66 48 0.14 n/a
1921 64 39 0.03 n/a
1920 70 42 0.00 n/a
1919 82 46 0.00 n/a
1918 49 25 0.75 3.0
1917 46 35 0.04 n/a
1916 52 32 0.25 n/a
1915 55 35 0.00 n/a
1914 55 39 0.13 n/a
1913 68 33 0.00 n/a
1912 53 36 0.11 n/a
1911 69 34 0.00 n/a
1910 60 35 0.00 n/a
1909 70 41 0.00 n/a
1908 55 32 0.00 n/a
1907 57 34 0.02 n/a
1906 58 34 0.18 n/a
1905 57 37 0.36 n/a
1904 73 41 0.00 n/a
1903 51 35 0.05 n/a
1902 52 36 0.28 n/a
1901 59 46 0.80 n/a
1900 68 41 0.00 n/a
1899 n/a n/a n/a n/a
1898 70 33 0.00 0.0
1897 68 51 0.00 n/a
1896 70 34 0.00 n/a
1895 65 48 0.00 n/a
1894 70 46 0.15 n/a
1893 44 34 0.86 0.0
1892 84 37 0.00 n/a
What's the all-time high for Bozeman on 5/21?
For the date of May 21, the highest temperature ever reached in Bozeman history is 84 °F which has happened 2 times, most recently in 1980.
Highest Temperatures in Bozeman on May 21
Rank Temperature Year
1 84 °F 1980
1 84 °F 1892
3 83 °F 2023
3 83 °F 2008
5 82 °F 1919
6 80 °F 1967
6 80 °F 1966
6 80 °F 1964
6 80 °F 1958
10 79 °F 2012
10 79 °F 2006
10 79 °F 1928
What's the all-time low for Bozeman on 5/21?
For the date of May 21, the lowest temperature ever reached in Bozeman history is 25 °F which has happened 2 times, most recently in 1931.
Lowest Temperatures in Bozeman on May 21
Rank Temperature Year
1 25 °F 1931
1 25 °F 1918
3 26 °F 2001
3 26 °F 2021
3 26 °F 2022
6 28 °F 1936
6 28 °F 1938
8 30 °F 1945
8 30 °F 1930
8 30 °F 1934
8 30 °F 2009
Lowest High Temperatures in Bozeman on May 21
Rank Temperature Year
1 38 °F 2021
2 44 °F 1975
2 44 °F 1893
2 44 °F 1957
5 45 °F 1974
5 45 °F 1952
7 46 °F 1917
7 46 °F 1987
9 47 °F 1927
10 48 °F 2019
What's the most it has ever rained in Bozeman on 5/21?
For the date of May 21, the most precipitation ever recorded in Bozeman history is 2.06 inches which happened in 1952.
All-Time Most Precipitation in Bozeman on May 21
Rank Precipitation Year
1 2.06 inches 1952
2 1.01 inches 1957
3 0.87 inches 1981
4 0.86 inches 1893
5 0.80 inches 1901
6 0.75 inches 1918
7 0.53 inches 1970
8 0.50 inches 1962
9 0.48 inches 1953
10 0.45 inches 1927
10 0.45 inches 2008
All-Time Most Snow in Bozeman on May 21
Rank Precipitation Year
1 3.3 inches 2021
2 3.0 inches 1974
2 3.0 inches 1918
4 1.5 inches 1952
5 0.5 inches 1975
6 0.3 inches 1973
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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