# Annual precipitation in San Joaquin County

Annual precipitation in San Joaquin County was 13.26 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-06077`
- 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/san-joaquin-county-california
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-06077

| Period | inches |
|---|---:|
| 2025 | 13.26 |
| 2024 | 16.58 |
| 2023 | 18.57 |
| 2022 | 10.75 |
| 2021 | 14.22 |
| 2020 | 6.6 |
| 2019 | 17.6 |
| 2018 | 14.35 |
| 2017 | 19.08 |
| 2016 | 18.33 |
| 2015 | 7.69 |
| 2014 | 14.4 |
| 2013 | 5.06 |
| 2012 | 15.68 |
| 2011 | 11.61 |
| 2010 | 18.96 |
| 2009 | 11.7 |
| 2008 | 10.05 |
| 2007 | 8.86 |
| 2006 | 15.64 |
| 2005 | 17.88 |
| 2004 | 14.62 |
| 2003 | 11.82 |
| 2002 | 13.07 |
| 2001 | 16.97 |
| 2000 | 17.57 |
| 1999 | 11.03 |
| 1998 | 25.08 |
| 1997 | 13.18 |
| 1996 | 22.08 |
| 1995 | 21.12 |
| 1994 | 11.49 |
| 1993 | 19.3 |
| 1992 | 14.7 |
| 1991 | 12.32 |
| 1990 | 9.13 |
| 1989 | 8.83 |
| 1988 | 9.74 |
| 1987 | 13.52 |
| 1986 | 15.45 |
| 1985 | 10.74 |
| 1984 | 10.5 |
| 1983 | 29.05 |
| 1982 | 25.35 |
| 1981 | 16.69 |
| 1980 | 11.71 |
| 1979 | 16.44 |
| 1978 | 17.76 |
| 1977 | 9.16 |
| 1976 | 5.72 |
| 1975 | 11.66 |
| 1974 | 11.42 |
| 1973 | 21.25 |
| 1972 | 10.69 |
| 1971 | 9.55 |
| 1970 | 18.57 |
| 1969 | 18.16 |
| 1968 | 14.35 |
| 1967 | 15.85 |
| 1966 | 10.26 |
| 1965 | 12.95 |
| 1964 | 13.56 |
| 1963 | 16.83 |
| 1962 | 13.26 |
| 1961 | 9.97 |
| 1960 | 11.51 |
| 1959 | 10.18 |
| 1958 | 19.89 |
| 1957 | 14.44 |
| 1956 | 10.4 |
| 1955 | 17.14 |
| 1954 | 13.2 |
| 1953 | 7.83 |
| 1952 | 17.07 |
| 1951 | 14.87 |
| 1950 | 17.84 |