# Annual precipitation in Montana

Annual precipitation in Montana was 20.04 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-state-30`
- Unit: inches
- Definition: Total precipitation from January to December, in inches: rain plus the water content of snow and other frozen precipitation. NOAA computes it from its climate divisional dataset (nClimDiv): station readings interpolated onto a 5 km grid and averaged over the area.
- Note: Values are area averages, not the reading at one weather station. NOAA revises the last two years every month.
- Source: NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December precipitation, contiguous US and statewide (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/24/pcp/12/12/1895-2025/data.json)
- Publisher page: https://invokely.ai/en/publishers/noaa-ncei
- Retrieved: 2026-10-12
- License: Public domain (US government work); NCEI asks users to cite the nClimDiv dataset
- Citation: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December precipitation, contiguous US and statewide. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/24/pcp/12/12/1895-2025/data.json. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/annual-precipitation/montana
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-state-30

| Period | inches |
|---|---:|
| 2025 | 20.04 |
| 2024 | 17.04 |
| 2023 | 18.41 |
| 2022 | 18.28 |
| 2021 | 14.31 |
| 2020 | 16.89 |
| 2019 | 21.41 |
| 2018 | 19.98 |
| 2017 | 17.43 |
| 2016 | 21.17 |
| 2015 | 16.88 |
| 2014 | 21.6 |
| 2013 | 20.02 |
| 2012 | 16.81 |
| 2011 | 22.85 |
| 2010 | 21.99 |
| 2009 | 17.45 |
| 2008 | 19.48 |
| 2007 | 17.97 |
| 2006 | 18.24 |
| 2005 | 20.01 |
| 2004 | 16.84 |
| 2003 | 17.39 |
| 2002 | 17.17 |
| 2001 | 14.94 |
| 2000 | 15.66 |
| 1999 | 17.44 |
| 1998 | 20.25 |
| 1997 | 19.44 |
| 1996 | 20.6 |
| 1995 | 22.02 |
| 1994 | 16.05 |
| 1993 | 22.5 |
| 1992 | 17.51 |
| 1991 | 20.06 |
| 1990 | 16.9 |
| 1989 | 21.16 |
| 1988 | 14.53 |
| 1987 | 15.9 |
| 1986 | 20.86 |
| 1985 | 17.15 |
| 1984 | 16.51 |
| 1983 | 17.33 |
| 1982 | 22.41 |
| 1981 | 18.68 |
| 1980 | 19.83 |
| 1979 | 13.84 |
| 1978 | 22.93 |
| 1977 | 18.93 |
| 1976 | 16.84 |
| 1975 | 25.42 |
| 1974 | 18.69 |
| 1973 | 17.05 |
| 1972 | 19.72 |
| 1971 | 18.97 |
| 1970 | 20.64 |
| 1969 | 17.74 |
| 1968 | 20.08 |
| 1967 | 20.74 |
| 1966 | 16.61 |
| 1965 | 20.51 |
| 1964 | 22.09 |
| 1963 | 18.6 |
| 1962 | 20.25 |
| 1961 | 16.95 |
| 1960 | 13.69 |
| 1959 | 18.94 |
| 1958 | 19.18 |
| 1957 | 18.9 |
| 1956 | 15.88 |
| 1955 | 20.3 |
| 1954 | 18.29 |
| 1953 | 20.14 |
| 1952 | 13.31 |
| 1951 | 20.73 |
| 1950 | 20.35 |
| 1949 | 16 |
| 1948 | 20.86 |
| 1947 | 18.81 |
| 1946 | 21.18 |
| 1945 | 17.88 |
| 1944 | 18.59 |
| 1943 | 18.81 |
| 1942 | 20.32 |
| 1941 | 21.32 |
| 1940 | 19.07 |
| 1939 | 15.43 |
| 1938 | 20.04 |
| 1937 | 16.19 |
| 1936 | 14.3 |
| 1935 | 13.63 |
| 1934 | 14.24 |
| 1933 | 19.5 |
| 1932 | 19.8 |
| 1931 | 12.62 |
| 1930 | 15.75 |
| 1929 | 17.62 |
| 1928 | 16.37 |
| 1927 | 26.15 |
| 1926 | 17.08 |
| 1925 | 19.62 |
| 1924 | 17.34 |
| 1923 | 21.31 |
| 1922 | 18.63 |
| 1921 | 18.03 |
| 1920 | 17.47 |
| 1919 | 13.61 |
| 1918 | 17.3 |
| 1917 | 17.57 |
| 1916 | 22.44 |
| 1915 | 22.15 |
| 1914 | 18.29 |
| 1913 | 18.43 |
| 1912 | 20.16 |
| 1911 | 21.2 |
| 1910 | 17.1 |
| 1909 | 22.26 |
| 1908 | 20.76 |
| 1907 | 20.07 |
| 1906 | 22.38 |
| 1905 | 16.79 |
| 1904 | 14.45 |
| 1903 | 18.72 |
| 1902 | 19.25 |
| 1901 | 18.87 |
| 1900 | 17.59 |
| 1899 | 20.92 |
| 1898 | 19.99 |
| 1897 | 21.47 |
| 1896 | 22.05 |
| 1895 | 17.47 |