# Annual precipitation in Sangamon County

Annual precipitation in Sangamon County was 27.03 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-17167`
- 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/sangamon-county-illinois
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-17167

| Period | inches |
|---|---:|
| 2025 | 27.03 |
| 2024 | 40.13 |
| 2023 | 32.05 |
| 2022 | 39.47 |
| 2021 | 45.78 |
| 2020 | 38.45 |
| 2019 | 48.53 |
| 2018 | 46.05 |
| 2017 | 32.13 |
| 2016 | 36.76 |
| 2015 | 45.45 |
| 2014 | 43.69 |
| 2013 | 38.66 |
| 2012 | 28.83 |
| 2011 | 35.91 |
| 2010 | 44.91 |
| 2009 | 50.54 |
| 2008 | 52.32 |
| 2007 | 31.76 |
| 2006 | 35.59 |
| 2005 | 30.85 |
| 2004 | 37.61 |
| 2003 | 35.51 |
| 2002 | 42.75 |
| 2001 | 36.41 |
| 2000 | 34.54 |
| 1999 | 32.46 |
| 1998 | 45.01 |
| 1997 | 30.89 |
| 1996 | 33.86 |
| 1995 | 35.38 |
| 1994 | 37.95 |
| 1993 | 50.6 |
| 1992 | 33.08 |
| 1991 | 37.96 |
| 1990 | 50.27 |
| 1989 | 29.31 |
| 1988 | 24.76 |
| 1987 | 30.24 |
| 1986 | 36.05 |
| 1985 | 43.61 |
| 1984 | 42.1 |
| 1983 | 37.45 |
| 1982 | 45.68 |
| 1981 | 45.91 |
| 1980 | 30.72 |
| 1979 | 30.98 |
| 1978 | 32.3 |
| 1977 | 42.68 |
| 1976 | 25.82 |
| 1975 | 38.5 |
| 1974 | 41.44 |
| 1973 | 47.26 |
| 1972 | 35.78 |
| 1971 | 30.73 |
| 1970 | 40.61 |
| 1969 | 38.8 |
| 1968 | 33.86 |
| 1967 | 40.95 |
| 1966 | 34.75 |
| 1965 | 40 |
| 1964 | 31.94 |
| 1963 | 30.27 |
| 1962 | 32.31 |
| 1961 | 41.62 |
| 1960 | 37.67 |
| 1959 | 35.94 |
| 1958 | 33.17 |
| 1957 | 44.56 |
| 1956 | 32.34 |
| 1955 | 34.57 |
| 1954 | 29.35 |
| 1953 | 25.9 |
| 1952 | 31.12 |
| 1951 | 40.34 |
| 1950 | 33.69 |