# Annual precipitation in Effingham County

Annual precipitation in Effingham County was 40.27 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-17049`
- 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/effingham-county-illinois
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-17049

| Period | inches |
|---|---:|
| 2025 | 40.27 |
| 2024 | 41.66 |
| 2023 | 34.97 |
| 2022 | 51.28 |
| 2021 | 47.68 |
| 2020 | 48.68 |
| 2019 | 54.39 |
| 2018 | 53.74 |
| 2017 | 39.4 |
| 2016 | 43.64 |
| 2015 | 52.74 |
| 2014 | 45.1 |
| 2013 | 47.12 |
| 2012 | 34.86 |
| 2011 | 54.1 |
| 2010 | 40.8 |
| 2009 | 52.56 |
| 2008 | 56.99 |
| 2007 | 34.81 |
| 2006 | 41.39 |
| 2005 | 34.82 |
| 2004 | 44.29 |
| 2003 | 41.32 |
| 2002 | 41.63 |
| 2001 | 37.71 |
| 2000 | 49.55 |
| 1999 | 40.81 |
| 1998 | 45.92 |
| 1997 | 34.34 |
| 1996 | 41.78 |
| 1995 | 40.37 |
| 1994 | 38.06 |
| 1993 | 56.32 |
| 1992 | 36.57 |
| 1991 | 37.13 |
| 1990 | 54.12 |
| 1989 | 36.94 |
| 1988 | 32.98 |
| 1987 | 37.03 |
| 1986 | 33.82 |
| 1985 | 47.39 |
| 1984 | 43.91 |
| 1983 | 44.55 |
| 1982 | 50.1 |
| 1981 | 38.4 |
| 1980 | 34.3 |
| 1979 | 42.87 |
| 1978 | 37.84 |
| 1977 | 40.41 |
| 1976 | 26.55 |
| 1975 | 43.4 |
| 1974 | 45.94 |
| 1973 | 48.4 |
| 1972 | 35.85 |
| 1971 | 34 |
| 1970 | 39.65 |
| 1969 | 45.77 |
| 1968 | 36.19 |
| 1967 | 45.72 |
| 1966 | 36.53 |
| 1965 | 36.48 |
| 1964 | 28.85 |
| 1963 | 28.36 |
| 1962 | 35.89 |
| 1961 | 45.55 |
| 1960 | 30.66 |
| 1959 | 36.5 |
| 1958 | 37.06 |
| 1957 | 56.1 |
| 1956 | 39.59 |
| 1955 | 41.51 |
| 1954 | 28.05 |
| 1953 | 27.4 |
| 1952 | 31.12 |
| 1951 | 39.47 |
| 1950 | 49.1 |