Boise April 15 Weather Records

Daily averages and all-time records for weather in Boise, Idaho for the date of April 15.
April 15 All-Time Records
1911–2024
Highest temperature 85 °F 1990
Lowest temperature 21 °F 1995
Lowest daily high 36 °F 1917
Highest daily low 52 °F 1985
Most precipitation 0.47 inches 1912
Most snow 2.5 inches 1917
April 15 Average Weather
1991–2020 1
Average high 62.2 °F
Average low 39.0 °F
Chance precipitation 30.6%
Chance snow 0.9%
Boise April 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 66 37 0.00 0.0
2022 50 31 0.00 0.0
2021 63 40 0.00 0.0
2020 62 43 0.02 0.0
2019 55 40 0.24 0.0
2018 69 46 0.00 0.0
2017 57 31 0.00 0.0
2016 58 37 0.00 0.0
2015 57 30 0.00 0.0
2014 61 41 0.00 0.0
2013 52 27 0.00 0.0
2012 61 38 0.00 0.0
2011 58 41 0.00 0.0
2010 71 39 0.00 0.0
2009 55 40 0.00 0.0
2008 48 36 0.00 0.0
2007 60 41 0.00 0.0
2006 62 43 0.01 0.0
2005 61 34 0.00 0.0
2004 58 41 0.00 0.0
2003 58 34 0.00 0.0
2002 50 37 0.00 0.0
2001 62 35 0.00 0.0
2000 63 41 0.03 0.0
1999 59 29 0.00 0.0
1998 51 26 0.00 0.0
1997 69 40 0.00 0.0
1996 70 46 0.00 0.0
1995 53 21 0.00 0.0
1994 74 31 0.00 0.0
1993 55 39 0.12 0.0
1992 76 39 0.00 0.0
1991 58 39 0.27 0.0
1990 85 45 0.00 0.0
1989 72 51 0.13 0.0
1988 74 50 0.09 0.0
1987 74 42 0.00 0.0
1986 63 43 0.16 0.0
1985 74 52 0.00 0.0
1984 78 44 0.00 0.0
1983 60 33 0.00 0.0
1982 48 29 0.00 0.0
1981 76 38 0.00 0.0
1980 60 37 0.00 0.0
1979 67 44 0.00 0.0
1978 60 48 0.13 0.0
1977 69 30 0.00 0.0
1976 55 31 0.38 0.2
1975 49 38 0.15 0.0
1974 69 44 0.00 0.0
1973 59 34 0.00 0.0
1972 63 32 0.00 0.0
1971 57 36 0.01 0.0
1970 48 32 0.00 0.0
1969 62 35 0.00 0.0
1968 59 32 0.00 0.0
1967 50 30 0.00 0.0
1966 73 43 0.00 0.0
1965 69 43 0.00 0.0
1964 73 40 0.00 0.0
1963 49 32 0.11 0.7
1962 73 40 0.00 0.0
1961 60 37 0.00 0.0
1960 47 30 0.01 0.0
1959 50 31 0.00 0.0
1958 71 48 0.00 0.0
1957 55 30 0.00 0.0
1956 71 42 0.00 0.0
1955 48 29 0.10 2.2
1954 61 28 0.00 0.0
1953 59 27 0.00 0.0
1952 57 33 0.00 0.0
1951 66 35 0.00 0.0
1950 60 31 0.00 0.0
1949 73 34 0.00 0.0
1948 68 49 0.08 0.0
1947 71 39 0.00 0.0
1946 74 40 0.00 0.0
1945 62 35 0.00 0.0
1944 54 38 0.00 0.0
1943 76 48 0.00 0.0
1942 61 40 0.05 0.0
1941 53 33 0.00 0.0
1940 55 41 0.00 0.0
1939 63 37 0.00 0.0
1938 68 33 0.00 0.0
1937 66 45 0.00 0.0
1936 78 40 0.00 0.0
1935 66 49 0.11 n/a
1934 73 34 0.00 0.0
1933 74 35 0.00 0.0
1932 73 31 n/a n/a
1931 66 32 0.00 n/a
1930 60 38 0.05 n/a
1929 64 42 0.05 0.0
1928 63 38 0.03 0.0
1927 54 39 0.07 0.0
1926 83 43 0.00 0.0
1925 77 50 0.04 0.0
1924 50 23 0.00 0.0
1923 80 35 0.00 0.0
1922 46 28 0.12 1.0
1921 52 37 0.02 0.0
1920 52 34 0.46 0.0
1919 60 30 0.00 0.0
1918 50 25 0.00 0.0
1917 36 28 0.40 2.5
1916 60 38 0.00 0.0
1915 69 33 0.00 0.0
1914 66 49 0.20 0.0
1913 60 40 0.11 0.0
1912 51 31 0.47 0.1
1911 63 28 0.00 0.0
What's the all-time high for Boise on 4/15?
For the date of Apr 15, the highest temperature ever reached in Boise history is 85 °F which happened in 1990.
Highest Temperatures in Boise on April 15
Rank Temperature Year
1 85 °F 1990
2 83 °F 1926
3 80 °F 1923
4 78 °F 1984
4 78 °F 1936
6 77 °F 1925
7 76 °F 1992
7 76 °F 1943
7 76 °F 1981
10 74 °F 1994
10 74 °F 1946
10 74 °F 1933
10 74 °F 1985
10 74 °F 1987
10 74 °F 1988
What's the all-time low for Boise on 4/15?
For the date of Apr 15, the lowest temperature ever reached in Boise history is 21 °F which happened in 1995.
Lowest Temperatures in Boise on April 15
Rank Temperature Year
1 21 °F 1995
2 23 °F 1924
3 25 °F 1918
4 26 °F 1998
5 27 °F 1953
5 27 °F 2013
7 28 °F 1922
7 28 °F 1917
7 28 °F 1954
7 28 °F 1911
Lowest High Temperatures in Boise on April 15
Rank Temperature Year
1 36 °F 1917
2 46 °F 1922
3 47 °F 1960
4 48 °F 2008
4 48 °F 1970
4 48 °F 1955
4 48 °F 1982
8 49 °F 1975
8 49 °F 1963
10 50 °F 1959
10 50 °F 2022
10 50 °F 1967
10 50 °F 2002
10 50 °F 1924
10 50 °F 1918
What's the most it has ever rained in Boise on 4/15?
For the date of Apr 15, the most precipitation ever recorded in Boise history is 0.47 inches which happened in 1912.
All-Time Most Precipitation in Boise on April 15
Rank Precipitation Year
1 0.47 inches 1912
2 0.46 inches 1920
3 0.40 inches 1917
4 0.38 inches 1976
5 0.27 inches 1991
6 0.24 inches 2019
7 0.20 inches 1914
8 0.16 inches 1986
9 0.15 inches 1975
10 0.13 inches 1989
10 0.13 inches 1978
All-Time Most Snow in Boise on April 15
Rank Precipitation Year
1 2.5 inches 1917
2 2.2 inches 1955
3 1.0 inches 1922
4 0.7 inches 1963
5 0.2 inches 1976
6 0.1 inches 1912
Weather Station Details
Years Station Coordinates
1940–2024 location
1911–1939 Meridian 1 W location