# Annual precipitation in Madison County

Annual precipitation in Madison County was 36.97 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-17119`
- 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/madison-county-illinois
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-17119

| Period | inches |
|---|---:|
| 2025 | 36.97 |
| 2024 | 47 |
| 2023 | 33.43 |
| 2022 | 42.21 |
| 2021 | 40.87 |
| 2020 | 47.11 |
| 2019 | 50.64 |
| 2018 | 44.87 |
| 2017 | 37.25 |
| 2016 | 42.04 |
| 2015 | 54.78 |
| 2014 | 44.77 |
| 2013 | 44.94 |
| 2012 | 33.51 |
| 2011 | 43.54 |
| 2010 | 41.76 |
| 2009 | 52.89 |
| 2008 | 57.01 |
| 2007 | 30.57 |
| 2006 | 32.76 |
| 2005 | 38.94 |
| 2004 | 46.65 |
| 2003 | 43.41 |
| 2002 | 42.18 |
| 2001 | 39.25 |
| 2000 | 45.22 |
| 1999 | 34.37 |
| 1998 | 46.6 |
| 1997 | 33.04 |
| 1996 | 42.87 |
| 1995 | 42.11 |
| 1994 | 37.05 |
| 1993 | 51.1 |
| 1992 | 33.82 |
| 1991 | 33.38 |
| 1990 | 49.47 |
| 1989 | 29.89 |
| 1988 | 32.62 |
| 1987 | 35.7 |
| 1986 | 36.14 |
| 1985 | 46.62 |
| 1984 | 44.62 |
| 1983 | 44.83 |
| 1982 | 48.76 |
| 1981 | 38.64 |
| 1980 | 28.47 |
| 1979 | 34.42 |
| 1978 | 36.77 |
| 1977 | 42.15 |
| 1976 | 26.61 |
| 1975 | 41.57 |
| 1974 | 39.31 |
| 1973 | 45.44 |
| 1972 | 38.38 |
| 1971 | 36.21 |
| 1970 | 35.55 |
| 1969 | 42.82 |
| 1968 | 36.12 |
| 1967 | 42.63 |
| 1966 | 35.52 |
| 1965 | 32.57 |
| 1964 | 29.22 |
| 1963 | 29.36 |
| 1962 | 36.78 |
| 1961 | 42.8 |
| 1960 | 34.54 |
| 1959 | 34.04 |
| 1958 | 38.01 |
| 1957 | 50.14 |
| 1956 | 35.56 |
| 1955 | 32.05 |
| 1954 | 31.24 |
| 1953 | 25.19 |
| 1952 | 32.31 |
| 1951 | 42.77 |
| 1950 | 41.92 |