# Annual precipitation in Knox County

Annual precipitation in Knox County was 39.86 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-39083`
- 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/knox-county-ohio
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-39083

| Period | inches |
|---|---:|
| 2025 | 39.86 |
| 2024 | 39.68 |
| 2023 | 42.12 |
| 2022 | 43.87 |
| 2021 | 42.84 |
| 2020 | 45.93 |
| 2019 | 45.96 |
| 2018 | 51.75 |
| 2017 | 47.97 |
| 2016 | 36.8 |
| 2015 | 42.16 |
| 2014 | 41.9 |
| 2013 | 42.26 |
| 2012 | 38.58 |
| 2011 | 51.86 |
| 2010 | 36.7 |
| 2009 | 35.5 |
| 2008 | 41.84 |
| 2007 | 43.02 |
| 2006 | 44.04 |
| 2005 | 42.94 |
| 2004 | 49.71 |
| 2003 | 43.7 |
| 2002 | 37 |
| 2001 | 34.59 |
| 2000 | 43.9 |
| 1999 | 33.81 |
| 1998 | 42.07 |
| 1997 | 39.65 |
| 1996 | 48.54 |
| 1995 | 44.17 |
| 1994 | 34.37 |
| 1993 | 40.8 |
| 1992 | 40.02 |
| 1991 | 27.4 |
| 1990 | 54.98 |
| 1989 | 42.47 |
| 1988 | 35.48 |
| 1987 | 32.41 |
| 1986 | 41.32 |
| 1985 | 39.07 |
| 1984 | 37.79 |
| 1983 | 40.44 |
| 1982 | 38.88 |
| 1981 | 41.02 |
| 1980 | 44.11 |
| 1979 | 47.75 |
| 1978 | 38 |
| 1977 | 39.01 |
| 1976 | 36.23 |
| 1975 | 41.32 |
| 1974 | 39.45 |
| 1973 | 44.68 |
| 1972 | 45.79 |
| 1971 | 32.1 |
| 1970 | 38.16 |
| 1969 | 39.75 |
| 1968 | 39.97 |
| 1967 | 37.18 |
| 1966 | 37.25 |
| 1965 | 36.56 |
| 1964 | 41.91 |
| 1963 | 25.55 |
| 1962 | 34.07 |
| 1961 | 40 |
| 1960 | 31.36 |
| 1959 | 45.34 |
| 1958 | 37.58 |
| 1957 | 42.23 |
| 1956 | 43.04 |
| 1955 | 35.72 |
| 1954 | 35.58 |
| 1953 | 31.13 |
| 1952 | 36.43 |
| 1951 | 42.2 |
| 1950 | 46.55 |