# Annual precipitation in Macoupin County

Annual precipitation in Macoupin County was 32.74 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-17117`
- 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/macoupin-county-illinois
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-17117

| Period | inches |
|---|---:|
| 2025 | 32.74 |
| 2024 | 42.87 |
| 2023 | 32.79 |
| 2022 | 41.34 |
| 2021 | 41.57 |
| 2020 | 42.6 |
| 2019 | 46.24 |
| 2018 | 37.55 |
| 2017 | 34.9 |
| 2016 | 38.08 |
| 2015 | 52.95 |
| 2014 | 46.57 |
| 2013 | 43.09 |
| 2012 | 33.49 |
| 2011 | 42.52 |
| 2010 | 43.74 |
| 2009 | 49.59 |
| 2008 | 55.59 |
| 2007 | 29.41 |
| 2006 | 34.07 |
| 2005 | 33.77 |
| 2004 | 40.21 |
| 2003 | 39.86 |
| 2002 | 45.24 |
| 2001 | 40.36 |
| 2000 | 40.26 |
| 1999 | 31.88 |
| 1998 | 42.56 |
| 1997 | 31.51 |
| 1996 | 39.13 |
| 1995 | 38.32 |
| 1994 | 38.43 |
| 1993 | 51.44 |
| 1992 | 34.55 |
| 1991 | 35.34 |
| 1990 | 48.97 |
| 1989 | 28.92 |
| 1988 | 32.16 |
| 1987 | 33.12 |
| 1986 | 33.78 |
| 1985 | 47.21 |
| 1984 | 45.18 |
| 1983 | 41.23 |
| 1982 | 49.04 |
| 1981 | 42.87 |
| 1980 | 28.87 |
| 1979 | 33.83 |
| 1978 | 38.12 |
| 1977 | 43.51 |
| 1976 | 25.15 |
| 1975 | 41.6 |
| 1974 | 41.75 |
| 1973 | 48.43 |
| 1972 | 40.2 |
| 1971 | 35.57 |
| 1970 | 39.22 |
| 1969 | 47.13 |
| 1968 | 37.5 |
| 1967 | 43.94 |
| 1966 | 39.45 |
| 1965 | 36.24 |
| 1964 | 28.25 |
| 1963 | 32.02 |
| 1962 | 37.26 |
| 1961 | 44.72 |
| 1960 | 32.67 |
| 1959 | 33.75 |
| 1958 | 34.94 |
| 1957 | 48.81 |
| 1956 | 33.8 |
| 1955 | 34.8 |
| 1954 | 31.4 |
| 1953 | 25.57 |
| 1952 | 29.39 |
| 1951 | 37.12 |
| 1950 | 36.54 |