# Annual precipitation in Washington County

Annual precipitation in Washington County was 44.29 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-39167`
- 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/washington-county-ohio
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-39167

| Period | inches |
|---|---:|
| 2025 | 44.29 |
| 2024 | 36.37 |
| 2023 | 41.22 |
| 2022 | 43.81 |
| 2021 | 41.13 |
| 2020 | 46.68 |
| 2019 | 49.74 |
| 2018 | 62.71 |
| 2017 | 49.4 |
| 2016 | 37.61 |
| 2015 | 43.39 |
| 2014 | 38.74 |
| 2013 | 45.48 |
| 2012 | 44.32 |
| 2011 | 57.62 |
| 2010 | 40.28 |
| 2009 | 38.77 |
| 2008 | 43.9 |
| 2007 | 36.28 |
| 2006 | 41.47 |
| 2005 | 39.62 |
| 2004 | 49.01 |
| 2003 | 55.13 |
| 2002 | 42.3 |
| 2001 | 37.61 |
| 2000 | 42.41 |
| 1999 | 37.01 |
| 1998 | 44.72 |
| 1997 | 42.58 |
| 1996 | 52.21 |
| 1995 | 41.38 |
| 1994 | 45.83 |
| 1993 | 36.56 |
| 1992 | 34.62 |
| 1991 | 44.32 |
| 1990 | 54.29 |
| 1989 | 55.14 |
| 1988 | 35.22 |
| 1987 | 29.7 |
| 1986 | 40.26 |
| 1985 | 39.94 |
| 1984 | 35.32 |
| 1983 | 45.75 |
| 1982 | 39.02 |
| 1981 | 37.06 |
| 1980 | 42.45 |
| 1979 | 47.12 |
| 1978 | 42.31 |
| 1977 | 36.46 |
| 1976 | 37.47 |
| 1975 | 49.02 |
| 1974 | 46.02 |
| 1973 | 38.73 |
| 1972 | 46.36 |
| 1971 | 35.45 |
| 1970 | 41.15 |
| 1969 | 33.07 |
| 1968 | 42.68 |
| 1967 | 35.94 |
| 1966 | 33.98 |
| 1965 | 34.4 |
| 1964 | 39.75 |
| 1963 | 31.93 |
| 1962 | 37.47 |
| 1961 | 44.38 |
| 1960 | 33.42 |
| 1959 | 37.29 |
| 1958 | 42.46 |
| 1957 | 36.08 |
| 1956 | 47.18 |
| 1955 | 37.77 |
| 1954 | 41.94 |
| 1953 | 32.69 |
| 1952 | 38.66 |
| 1951 | 43.22 |
| 1950 | 49.68 |