# Annual precipitation in Johnson County

Annual precipitation in Johnson County was 35.66 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-29101`
- 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/johnson-county-missouri
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-29101

| Period | inches |
|---|---:|
| 2025 | 35.66 |
| 2024 | 41.29 |
| 2023 | 32.61 |
| 2022 | 37.81 |
| 2021 | 41.1 |
| 2020 | 42.46 |
| 2019 | 46.85 |
| 2018 | 36.81 |
| 2017 | 42.54 |
| 2016 | 39.41 |
| 2015 | 49.42 |
| 2014 | 38.25 |
| 2013 | 41.18 |
| 2012 | 26.58 |
| 2011 | 38.11 |
| 2010 | 47.59 |
| 2009 | 50.27 |
| 2008 | 52.97 |
| 2007 | 38.85 |
| 2006 | 29.76 |
| 2005 | 33.25 |
| 2004 | 47.04 |
| 2003 | 35.54 |
| 2002 | 31.81 |
| 2001 | 45.88 |
| 2000 | 34.43 |
| 1999 | 38.97 |
| 1998 | 53.4 |
| 1997 | 40.54 |
| 1996 | 41.29 |
| 1995 | 39.84 |
| 1994 | 46.54 |
| 1993 | 54.54 |
| 1992 | 45.01 |
| 1991 | 34.1 |
| 1990 | 47.58 |
| 1989 | 32.66 |
| 1988 | 26.51 |
| 1987 | 36.9 |
| 1986 | 48.42 |
| 1985 | 55.69 |
| 1984 | 45.7 |
| 1983 | 45.01 |
| 1982 | 52.39 |
| 1981 | 48.32 |
| 1980 | 28.81 |
| 1979 | 36.8 |
| 1978 | 36.37 |
| 1977 | 45.26 |
| 1976 | 26 |
| 1975 | 39.37 |
| 1974 | 43.92 |
| 1973 | 59.01 |
| 1972 | 31.06 |
| 1971 | 32.7 |
| 1970 | 41.96 |
| 1969 | 54.04 |
| 1968 | 40.24 |
| 1967 | 45.78 |
| 1966 | 30.5 |
| 1965 | 56.15 |
| 1964 | 40.21 |
| 1963 | 27.33 |
| 1962 | 31.05 |
| 1961 | 59.72 |
| 1960 | 40.34 |
| 1959 | 33.8 |
| 1958 | 38.77 |
| 1957 | 39.59 |
| 1956 | 23.54 |
| 1955 | 36.28 |
| 1954 | 35.28 |
| 1953 | 26.11 |
| 1952 | 31.29 |
| 1951 | 56.42 |
| 1950 | 32.4 |