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Boise August Precipitation Totals

A time series of total precipitation in the month of August in Boise, Idaho from 1911–2023.

Rainiest August in Boise History

The rainiest August in Boise, Idaho history happened in 2023, with 2.79 inches of total precipitation.

Driest August in Boise History

There have been 29 times where no rain was recorded in Boise, Idaho for the entire month of August. The most recent time this happened was 2016.

Boise Average August Precipitation by Year

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Year	Precipitation (inches)
2023	2.79
2022	0.09
2021	0.19
2020	0.07
2019	0.09
2018	0.01
2017	0.22
2016	0.00
2015	0.18
2014	0.16
2013	0.45
2012	0.00
2011	0.00
2010	0.27
2009	1.79
2008	0.00
2007	0.04
2006	0.02
2005	0.00
2004	0.38
2003	0.33
2002	0.05
2001	0.00
2000	0.10
1999	0.29
1998	0.00
1997	0.27
1996	0.00
1995	0.06
1994	0.00
1993	0.24
1992	0.00
1991	0.04
1990	0.39
1989	0.78
1988	0.09
1987	0.11
1986	0.07
1985	0.04
1984	1.24
1983	0.28
1982	0.19
1981	0.13
1980	0.00
1979	1.81
1978	0.24
1977	0.73
1976	0.95
1975	0.48
1974	0.22
1973	0.03
1972	0.05
1971	0.18
1970	0.10
1969	0.00
1968	2.37
1967	0.00
1966	0.01
1965	0.88
1964	0.53
1963	0.64
1962	0.12
1961	0.21
1960	0.83
1959	0.64
1958	0.53
1957	0.00
1956	0.08
1955	0.00
1954	0.24
1953	0.12
1952	0.00
1951	0.07
1950	0.52
1949	0.12
1948	0.05
1947	0.05
1946	0.26
1945	0.08
1944	0.00
1943	0.00
1942	0.02
1941	0.61
1940	0.01
1939	0.00
1938	0.01
1937	0.00
1936	0.00
1935	0.00
1934	0.07
1933	0.00
1932	0.00
1931	0.00
1930	1.48
1929	0.55
1928	0.00
1927	0.56
1926	0.52
1925	0.46
1924	0.02
1923	0.01
1922	0.76
1921	0.07
1920	0.50
1919	0.07
1918	0.77
1917	0.00
1916	0.38
1915	0.08
1914	0.06
1913	0.00
1912	0.09
1911	0.00

Its possible for precipitation totals to include both rain and melted snowfall
Months with more than 10% missing data are excluded