Boise May 1 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of May 1.
May 1 All-Time Records
1911–2024
Highest temperature 88 °F 1985
Lowest temperature 27 °F 1954
Lowest daily high 45 °F 1915
Highest daily low 57 °F 2023
Most precipitation 1.32 inches 1938
Most snow 0.2 inches 1915
May 1 Average Weather
1991–2020 1
Average high 67.7 °F
Average low 42.9 °F
Chance precipitation 27.4%
Chance snow 0%
Boise May 1 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 81 57 0.00 0.0
2022 66 43 0.00 0.0
2021 75 51 0.05 0.0
2020 70 43 0.00 0.0
2019 61 31 0.00 0.0
2018 65 38 0.00 0.0
2017 60 38 0.00 0.0
2016 71 40 0.00 0.0
2015 78 44 0.00 0.0
2014 78 45 0.00 0.0
2013 60 30 0.00 0.0
2012 60 42 0.00 0.0
2011 61 33 0.00 0.0
2010 56 33 0.00 0.0
2009 61 40 0.00 0.0
2008 57 31 0.00 0.0
2007 83 53 0.00 0.0
2006 68 41 0.00 0.0
2005 69 42 0.00 0.0
2004 81 48 0.00 0.0
2003 63 39 0.00 0.0
2002 70 41 0.00 0.0
2001 54 37 0.00 0.0
2000 84 49 0.00 0.0
1999 64 48 0.13 0.0
1998 85 52 0.00 0.0
1997 53 34 0.00 0.0
1996 67 46 0.00 0.0
1995 58 46 0.44 0.0
1994 63 33 0.00 0.0
1993 67 34 0.01 0.0
1992 67 37 0.00 0.0
1991 69 42 0.00 0.0
1990 62 30 0.00 0.0
1989 71 46 0.00 0.0
1988 54 31 0.00 0.0
1987 61 43 0.01 0.0
1986 73 40 0.00 0.0
1985 88 50 0.00 0.0
1984 57 35 0.08 0.0
1983 52 46 0.92 0.0
1982 77 47 0.00 0.0
1981 80 54 0.02 0.0
1980 75 39 0.00 0.0
1979 71 50 0.00 0.0
1978 68 40 0.00 0.0
1977 69 46 0.16 0.0
1976 79 47 0.00 0.0
1975 64 38 0.00 0.0
1974 70 44 0.00 0.0
1973 63 34 0.00 0.0
1972 63 32 0.00 0.0
1971 83 46 0.00 0.0
1970 64 32 0.00 0.0
1969 57 40 0.01 0.0
1968 68 38 0.00 0.0
1967 56 28 0.00 0.0
1966 79 39 0.00 0.0
1965 54 38 0.00 0.0
1964 53 36 0.02 0.0
1963 61 47 0.00 0.0
1962 68 49 0.00 0.0
1961 83 46 0.01 0.0
1960 67 43 0.00 0.0
1959 64 39 0.26 0.0
1958 69 45 0.00 0.0
1957 82 46 0.00 0.0
1956 70 40 0.00 0.0
1955 55 43 0.08 0.0
1954 55 27 0.00 0.0
1953 55 28 0.00 0.0
1952 63 46 0.00 0.0
1951 52 33 0.00 0.0
1950 56 36 1.00 0.0
1949 64 44 0.08 0.0
1948 48 33 0.10 0.0
1947 84 48 0.00 0.0
1946 67 29 0.00 0.0
1945 80 44 0.00 0.0
1944 56 36 0.00 0.0
1943 62 45 0.00 0.0
1942 50 35 0.43 0.0
1941 62 49 0.18 0.0
1940 76 41 0.00 0.0
1939 80 38 0.00 0.0
1938 55 43 1.32 0.0
1937 80 35 0.00 0.0
1936 70 37 0.00 0.0
1935 58 31 0.00 0.0
1934 68 45 0.00 n/a
1933 53 38 0.65 0.0
1932 68 50 0.05 n/a
1931 83 45 n/a n/a
1930 80 38 0.00 n/a
1929 70 31 0.00 0.0
1928 n/a 47 0.00 n/a
1927 65 47 0.00 0.0
1926 74 40 0.00 0.0
1925 71 46 0.00 0.0
1924 82 38 0.00 0.0
1923 58 42 0.00 0.0
1922 68 32 0.00 0.0
1921 78 43 0.00 0.0
1920 60 32 0.00 0.0
1919 72 37 0.00 0.0
1918 77 41 0.00 0.0
1917 55 35 0.01 0.0
1916 73 33 0.00 0.0
1915 45 32 0.18 0.2
1914 75 38 0.00 0.0
1913 56 28 0.00 0.0
1912 54 39 0.04 0.0
1911 70 42 0.00 0.0
What's the all-time high for Boise on 5/1?
For the date of May 1, the highest temperature ever reached in Boise history is 88 °F which happened in 1985.
Highest Temperatures in Boise on May 1
Rank Temperature Year
1 88 °F 1985
2 85 °F 1998
3 84 °F 2000
3 84 °F 1947
5 83 °F 1931
5 83 °F 1971
5 83 °F 2007
5 83 °F 1961
9 82 °F 1924
9 82 °F 1957
What's the all-time low for Boise on 5/1?
For the date of May 1, the lowest temperature ever reached in Boise history is 27 °F which happened in 1954.
Lowest Temperatures in Boise on May 1
Rank Temperature Year
1 27 °F 1954
2 28 °F 1967
2 28 °F 1913
2 28 °F 1953
5 29 °F 1946
6 30 °F 2013
6 30 °F 1990
8 31 °F 1935
8 31 °F 1929
8 31 °F 2019
8 31 °F 1988
8 31 °F 2008
Lowest High Temperatures in Boise on May 1
Rank Temperature Year
1 45 °F 1915
2 48 °F 1948
3 50 °F 1942
4 52 °F 1951
4 52 °F 1983
6 53 °F 1933
6 53 °F 1964
6 53 °F 1997
9 54 °F 1912
9 54 °F 1965
9 54 °F 2001
9 54 °F 1988
What's the most it has ever rained in Boise on 5/1?
For the date of May 1, the most precipitation ever recorded in Boise history is 1.32 inches which happened in 1938.
All-Time Most Precipitation in Boise on May 1
Rank Precipitation Year
1 1.32 inches 1938
2 1.00 inches 1950
3 0.92 inches 1983
4 0.65 inches 1933
5 0.44 inches 1995
6 0.43 inches 1942
7 0.26 inches 1959
8 0.18 inches 1915
8 0.18 inches 1941
10 0.16 inches 1977
All-Time Most Snow in Boise on May 1
Rank Precipitation Year
1 0.2 inches 1915
Weather Station Details
Years Station Coordinates
1940–2024 location
1911–1939 Meridian 1 W location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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