# Annual precipitation in De Witt County

Annual precipitation in De Witt County was 27.31 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-17039`
- 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/de-witt-county-illinois
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-17039

| Period | inches |
|---|---:|
| 2025 | 27.31 |
| 2024 | 37.52 |
| 2023 | 35.5 |
| 2022 | 33.75 |
| 2021 | 42.85 |
| 2020 | 38.05 |
| 2019 | 45.21 |
| 2018 | 42 |
| 2017 | 30.62 |
| 2016 | 38.46 |
| 2015 | 46.38 |
| 2014 | 45.31 |
| 2013 | 34.68 |
| 2012 | 30.46 |
| 2011 | 37.67 |
| 2010 | 40.08 |
| 2009 | 52.52 |
| 2008 | 46.21 |
| 2007 | 35.48 |
| 2006 | 40.75 |
| 2005 | 32.5 |
| 2004 | 41.06 |
| 2003 | 36.97 |
| 2002 | 39.03 |
| 2001 | 34.02 |
| 2000 | 34.1 |
| 1999 | 36.93 |
| 1998 | 40.86 |
| 1997 | 37.53 |
| 1996 | 34.08 |
| 1995 | 37.3 |
| 1994 | 35.33 |
| 1993 | 50.46 |
| 1992 | 38.54 |
| 1991 | 35.68 |
| 1990 | 53.49 |
| 1989 | 32.72 |
| 1988 | 24.23 |
| 1987 | 33.5 |
| 1986 | 37 |
| 1985 | 44 |
| 1984 | 38.83 |
| 1983 | 38.03 |
| 1982 | 43.59 |
| 1981 | 46.98 |
| 1980 | 30.84 |
| 1979 | 36.7 |
| 1978 | 31.57 |
| 1977 | 45.26 |
| 1976 | 29.26 |
| 1975 | 43.24 |
| 1974 | 41.33 |
| 1973 | 45.5 |
| 1972 | 38.52 |
| 1971 | 36.37 |
| 1970 | 37.63 |
| 1969 | 37.95 |
| 1968 | 39.13 |
| 1967 | 40.11 |
| 1966 | 35.22 |
| 1965 | 44.99 |
| 1964 | 36.53 |
| 1963 | 27.04 |
| 1962 | 30.53 |
| 1961 | 39.57 |
| 1960 | 35.3 |
| 1959 | 32.47 |
| 1958 | 36.07 |
| 1957 | 40.16 |
| 1956 | 30.16 |
| 1955 | 34.9 |
| 1954 | 30.87 |
| 1953 | 30.15 |
| 1952 | 33.35 |
| 1951 | 42.62 |
| 1950 | 37.9 |