# Annual precipitation in Jefferson County

Annual precipitation in Jefferson County was 17.54 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-41031`
- 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, counties (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping)
- 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, counties. 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/county/mapping. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/annual-precipitation/jefferson-county-oregon
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-41031

| Period | inches |
|---|---:|
| 2025 | 17.54 |
| 2024 | 20.87 |
| 2023 | 14.48 |
| 2022 | 17.34 |
| 2021 | 15.15 |
| 2020 | 15.17 |
| 2019 | 19.15 |
| 2018 | 12.89 |
| 2017 | 17.93 |
| 2016 | 18.23 |
| 2015 | 16.22 |
| 2014 | 21.52 |
| 2013 | 13.17 |
| 2012 | 23.82 |
| 2011 | 15.39 |
| 2010 | 23.32 |
| 2009 | 16.39 |
| 2008 | 14.78 |
| 2007 | 17.1 |
| 2006 | 21.3 |
| 2005 | 19.24 |
| 2004 | 17.97 |
| 2003 | 18.34 |
| 2002 | 12.54 |
| 2001 | 16.17 |
| 2000 | 15.71 |
| 1999 | 16.19 |
| 1998 | 25.95 |
| 1997 | 18.12 |
| 1996 | 31.51 |
| 1995 | 25.38 |
| 1994 | 14.82 |
| 1993 | 18.36 |
| 1992 | 17.37 |
| 1991 | 16.67 |
| 1990 | 17.36 |
| 1989 | 16 |
| 1988 | 16.6 |
| 1987 | 17.18 |
| 1986 | 19.73 |
| 1985 | 12.5 |
| 1984 | 23.06 |
| 1983 | 27.36 |
| 1982 | 21.26 |
| 1981 | 24.71 |
| 1980 | 20.9 |
| 1979 | 18.35 |
| 1978 | 17.85 |
| 1977 | 16.86 |
| 1976 | 13.46 |
| 1975 | 19.96 |
| 1974 | 15.48 |
| 1973 | 18.88 |
| 1972 | 17.95 |
| 1971 | 19.07 |
| 1970 | 18.55 |
| 1969 | 18.64 |
| 1968 | 19.15 |
| 1967 | 13.32 |
| 1966 | 18.04 |
| 1965 | 15.22 |
| 1964 | 21.4 |
| 1963 | 18.9 |
| 1962 | 18.98 |
| 1961 | 22.84 |
| 1960 | 18.41 |
| 1959 | 13.35 |
| 1958 | 18.34 |
| 1957 | 21.61 |
| 1956 | 18.95 |
| 1955 | 19.32 |
| 1954 | 14.82 |
| 1953 | 24.33 |
| 1952 | 15.3 |
| 1951 | 18.62 |
| 1950 | 23.23 |