# Annual precipitation in Des Moines County

Annual precipitation in Des Moines County was 31.69 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-19057`
- 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/des-moines-county-iowa
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-19057

| Period | inches |
|---|---:|
| 2025 | 31.69 |
| 2024 | 39.3 |
| 2023 | 32.57 |
| 2022 | 28.35 |
| 2021 | 41.39 |
| 2020 | 32.65 |
| 2019 | 48.23 |
| 2018 | 38.92 |
| 2017 | 31.65 |
| 2016 | 35.94 |
| 2015 | 43.79 |
| 2014 | 40.35 |
| 2013 | 36.16 |
| 2012 | 27.73 |
| 2011 | 37.32 |
| 2010 | 52.03 |
| 2009 | 54.01 |
| 2008 | 47.44 |
| 2007 | 40.26 |
| 2006 | 30.03 |
| 2005 | 26.12 |
| 2004 | 36.05 |
| 2003 | 33.91 |
| 2002 | 35.38 |
| 2001 | 42.36 |
| 2000 | 34.37 |
| 1999 | 32.89 |
| 1998 | 48.94 |
| 1997 | 35.08 |
| 1996 | 32.7 |
| 1995 | 38.23 |
| 1994 | 28.9 |
| 1993 | 52.29 |
| 1992 | 38.08 |
| 1991 | 33.42 |
| 1990 | 44.96 |
| 1989 | 27.02 |
| 1988 | 22.52 |
| 1987 | 28.38 |
| 1986 | 40.36 |
| 1985 | 37.1 |
| 1984 | 40.3 |
| 1983 | 34.17 |
| 1982 | 47.62 |
| 1981 | 40.91 |
| 1980 | 44.05 |
| 1979 | 30.95 |
| 1978 | 34.82 |
| 1977 | 36.66 |
| 1976 | 30.33 |
| 1975 | 33.33 |
| 1974 | 41.08 |
| 1973 | 52.93 |
| 1972 | 35.13 |
| 1971 | 28.42 |
| 1970 | 42.06 |
| 1969 | 37.15 |
| 1968 | 28.61 |
| 1967 | 39.3 |
| 1966 | 29.53 |
| 1965 | 45.17 |
| 1964 | 29.25 |
| 1963 | 26.74 |
| 1962 | 30.58 |
| 1961 | 41.12 |
| 1960 | 34.75 |
| 1959 | 40.27 |
| 1958 | 32.44 |
| 1957 | 36.22 |
| 1956 | 21.81 |
| 1955 | 30.52 |
| 1954 | 36.94 |
| 1953 | 23.39 |
| 1952 | 33.25 |
| 1951 | 40.97 |
| 1950 | 33.41 |