- Home
- Boise
- Statistics
- Climate
- Annual precipitation
Climate
Statistics · City
Annual precipitation in Boise
1940 – 2025 · 86 data points
Updated Oct 22, 2026
Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1940 – 2025
Featured spot available
Your business could be here
First in “Statistics” — with a photo and a “Featured” mark.
Take this spot
Overview
8 figures
People
21 figures
Economy
20 figures
Housing
8 figures
Education
10 figures
Tourism
3 figures
Climate
8 figures
Latest value · 2025
12.4 in
−3.3 in
since 2024
First value · 1940
13.8 in
since 2015
+1.4 in
Annual precipitation, 1940 – 2025 inches · Boise
12.4 in
2025
Source: NOAA National Centers for Environmental Information — GHCN-Daily, 1940 – 2025
Compared with Annual precipitation · inches
Boise
12.4 in
United States 29.3 in
Sources: NOAA National Centers for Environmental Information — GHCN-Daily · NOAA National Centers for Environmental Information, Climate at a Glance
The series at a glance Boise · 1940 – 2025
Latest value
12.4 in · 2025
First value
13.8 in · 1940
Highest
18.8 in · 1983
Lowest
6.7 in · 1966
Data points
86
By year
All years · 1940 – 2025
| Year | Boise | Change | United States |
|---|---|---|---|
| 2025 | 12.4 in | −3.3 in | 29.3 in |
| 2024 | 15.7 in | +1.9 in | 31.6 in |
| 2023 | 13.8 in | +2.2 in | 29.5 in |
| 2022 | 11.6 in | −0.6 in | 28.5 in |
| 2021 | 12.3 in | −2.3 in | 30.4 in |
| 2020 | 14.5 in | −0.0 in | 30.4 in |
| 2019 | 14.6 in | +3.9 in | 34.8 in |
| 2018 | 10.7 in | −4.7 in | 34.6 in |
| 2017 | 15.4 in | +6.7 in | 32.3 in |
| 2016 | 8.7 in | −2.3 in | 31.4 in |
| 2015 | 11.0 in | −4.5 in | 34.6 in |
| 2014 | 15.5 in | +5.9 in | 30.8 in |
| 2013 | 9.6 in | −2.0 in | 31.0 in |
| 2012 | 11.6 in | +1.1 in | 27.5 in |
| 2011 | 10.5 in | −4.5 in | 30.1 in |
| 2010 | 15.1 in | +3.7 in | 31.4 in |
| 2009 | 11.3 in | +2.1 in | 32.3 in |
| 2008 | 9.2 in | +1.1 in | 31.2 in |
| 2007 | 8.1 in | −4.0 in | 29.2 in |
| 2006 | 12.1 in | −1.5 in | 29.8 in |
| 2005 | 13.6 in | +2.1 in | 30.1 in |
| 2004 | 11.5 in | +1.3 in | 33.2 in |
| 2003 | 10.1 in | +3.2 in | 30.5 in |
| 2002 | 7.0 in | −1.6 in | 29.0 in |
| 2001 | 8.6 in | −3.5 in | 29.0 in |
| 2000 | 12.1 in | +3.5 in | 28.2 in |
| 1999 | 8.6 in | −8.1 in | 28.5 in |
| 1998 | 16.7 in | +5.6 in | 33.8 in |
| 1997 | 11.1 in | −3.1 in | 31.8 in |
| 1996 | 14.2 in | +0.1 in | 33.7 in |
| 1995 | 14.1 in | +4.7 in | 32.7 in |
| 1994 | 9.4 in | −3.4 in | 30.6 in |
| 1993 | 12.8 in | +5.1 in | 32.6 in |
| 1992 | 7.7 in | −1.8 in | 31.2 in |
| 1991 | 9.5 in | −2.6 in | 32.4 in |
| 1990 | 12.1 in | +1.6 in | 32.2 in |
| 1989 | 10.5 in | −0.9 in | 29.0 in |
| 1988 | 11.3 in | +2.8 in | 25.9 in |
| 1987 | 8.5 in | −5.8 in | 29.0 in |
| 1986 | 14.3 in | +3.2 in | 31.4 in |
| 1985 | 11.2 in | −2.1 in | 30.0 in |
| 1984 | 13.3 in | −5.6 in | 31.4 in |
| 1983 | 18.8 in | +5.0 in | 34.7 in |
| 1982 | 13.9 in | −1.4 in | 33.8 in |
| 1981 | 15.3 in | +0.1 in | 29.9 in |
| 1980 | 15.2 in | +3.1 in | 28.2 in |
| 1979 | 12.1 in | +0.3 in | 32.7 in |
| 1978 | 11.8 in | −0.4 in | 30.1 in |
| 1977 | 12.2 in | ±0.0 in | 30.4 in |
| 1976 | 12.2 in | −1.5 in | 26.3 in |
| 1975 | 13.7 in | +4.2 in | 33.0 in |
| 1974 | 9.5 in | −1.9 in | 30.6 in |
| 1973 | 11.4 in | +0.1 in | 34.9 in |
| 1972 | 11.3 in | −0.5 in | 31.7 in |
| 1971 | 11.9 in | −2.4 in | 30.3 in |
| 1970 | 14.2 in | +1.9 in | 29.7 in |
| 1969 | 12.3 in | +1.3 in | 30.6 in |
| 1968 | 11.0 in | +3.3 in | 30.4 in |
| 1967 | 7.7 in | +1.0 in | 29.6 in |
| 1966 | 6.7 in | −5.9 in | 27.4 in |
| 1965 | 12.5 in | −3.3 in | 29.8 in |
| 1964 | 15.8 in | +2.5 in | 30.2 in |
| 1963 | 13.3 in | +2.6 in | 25.7 in |
| 1962 | 10.7 in | +1.5 in | 28.6 in |
| 1961 | 9.2 in | −1.8 in | 31.2 in |
| 1960 | 11.0 in | +0.9 in | 28.7 in |
| 1959 | 10.0 in | −4.3 in | 30.6 in |
| 1958 | 14.4 in | +1.8 in | 30.2 in |
| 1957 | 12.6 in | +0.8 in | 33.8 in |
| 1956 | 11.8 in | −0.4 in | 25.4 in |
| 1955 | 12.2 in | +4.0 in | 27.7 in |
| 1954 | 8.2 in | −5.6 in | 26.2 in |
| 1953 | 13.8 in | +4.6 in | 28.3 in |
| 1952 | 9.3 in | −4.5 in | 26.3 in |
| 1951 | 13.7 in | −0.3 in | 31.2 in |
| 1950 | 14.0 in | +6.6 in | 30.9 in |
| 1949 | 7.4 in | −4.5 in | 30.3 in |
| 1948 | 11.9 in | +1.8 in | 30.7 in |
| 1947 | 10.1 in | +0.2 in | 29.4 in |
| 1946 | 9.9 in | −3.6 in | 31.1 in |
| 1945 | 13.5 in | +3.0 in | 33.0 in |
| 1944 | 10.5 in | +0.5 in | 30.6 in |
| 1943 | 9.9 in | −4.6 in | 26.8 in |
| 1942 | 14.5 in | +0.7 in | 31.3 in |
| 1941 | 13.8 in | +0.0 in | 32.8 in |
| 1940 | 13.8 in | 30.4 in |
Sources: NOAA National Centers for Environmental Information — GHCN-Daily · NOAA National Centers for Environmental Information, Climate at a Glance, 1940 – 2025
What it means
Rain and snow (as water) that fell during the year.
How it is calculated
Sum of daily precipitation at the nearest weather station; months with a few missing days are scaled up, years with incomplete months are left out.