# Annual precipitation in Irwin County

Annual precipitation in Irwin County was 37.61 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-13155`
- 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/irwin-county-georgia
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-13155

| Period | inches |
|---|---:|
| 2025 | 37.61 |
| 2024 | 58.64 |
| 2023 | 52.12 |
| 2022 | 40 |
| 2021 | 61.24 |
| 2020 | 50.96 |
| 2019 | 42.48 |
| 2018 | 58.25 |
| 2017 | 46.77 |
| 2016 | 46.01 |
| 2015 | 48.37 |
| 2014 | 52.52 |
| 2013 | 61.39 |
| 2012 | 39.57 |
| 2011 | 33.73 |
| 2010 | 40.28 |
| 2009 | 56.15 |
| 2008 | 46.84 |
| 2007 | 37.79 |
| 2006 | 34.22 |
| 2005 | 49.7 |
| 2004 | 49.12 |
| 2003 | 55.64 |
| 2002 | 49.76 |
| 2001 | 37.65 |
| 2000 | 46.16 |
| 1999 | 34.44 |
| 1998 | 51.21 |
| 1997 | 58.39 |
| 1996 | 42.49 |
| 1995 | 39.83 |
| 1994 | 60.13 |
| 1993 | 50.79 |
| 1992 | 52.72 |
| 1991 | 58.45 |
| 1990 | 41.88 |
| 1989 | 44.49 |
| 1988 | 45.38 |
| 1987 | 51.17 |
| 1986 | 46.13 |
| 1985 | 46.95 |
| 1984 | 47.77 |
| 1983 | 53.69 |
| 1982 | 45.14 |
| 1981 | 38.21 |
| 1980 | 42.1 |
| 1979 | 48.3 |
| 1978 | 44.25 |
| 1977 | 47.05 |
| 1976 | 50.16 |
| 1975 | 58.35 |
| 1974 | 46.92 |
| 1973 | 54.82 |
| 1972 | 43.46 |
| 1971 | 55.06 |
| 1970 | 56.06 |
| 1969 | 48.03 |
| 1968 | 38.2 |
| 1967 | 43.03 |
| 1966 | 50.71 |
| 1965 | 50.82 |
| 1964 | 69.42 |
| 1963 | 46.85 |
| 1962 | 40.32 |
| 1961 | 46.41 |
| 1960 | 43.17 |
| 1959 | 56.72 |
| 1958 | 45.65 |
| 1957 | 47.37 |
| 1956 | 44.02 |
| 1955 | 37.31 |
| 1954 | 24.52 |
| 1953 | 55.07 |
| 1952 | 40.29 |
| 1951 | 45.11 |
| 1950 | 39.03 |