# Annual precipitation in Dillon County

Annual precipitation in Dillon County was 41.55 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-45033`
- 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/dillon-county-south-carolina
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-45033

| Period | inches |
|---|---:|
| 2025 | 41.55 |
| 2024 | 50.3 |
| 2023 | 50.75 |
| 2022 | 41.3 |
| 2021 | 45.44 |
| 2020 | 66.78 |
| 2019 | 44.82 |
| 2018 | 61.58 |
| 2017 | 43.16 |
| 2016 | 56.13 |
| 2015 | 54.92 |
| 2014 | 46.24 |
| 2013 | 50.49 |
| 2012 | 47.06 |
| 2011 | 40.32 |
| 2010 | 39.31 |
| 2009 | 42.1 |
| 2008 | 56.82 |
| 2007 | 34.48 |
| 2006 | 46.33 |
| 2005 | 42.13 |
| 2004 | 47.79 |
| 2003 | 52.15 |
| 2002 | 43.42 |
| 2001 | 29.25 |
| 2000 | 46.16 |
| 1999 | 51.46 |
| 1998 | 50.37 |
| 1997 | 46.53 |
| 1996 | 54.72 |
| 1995 | 54.83 |
| 1994 | 54.3 |
| 1993 | 37.89 |
| 1992 | 48.18 |
| 1991 | 42.24 |
| 1990 | 35.36 |
| 1989 | 49.31 |
| 1988 | 34.28 |
| 1987 | 42.03 |
| 1986 | 37.27 |
| 1985 | 47.38 |
| 1984 | 43.95 |
| 1983 | 54.96 |
| 1982 | 49.13 |
| 1981 | 43.19 |
| 1980 | 40.46 |
| 1979 | 50.97 |
| 1978 | 44.99 |
| 1977 | 41.89 |
| 1976 | 44.06 |
| 1975 | 54.56 |
| 1974 | 53.24 |
| 1973 | 51.64 |
| 1972 | 44.91 |
| 1971 | 59.15 |
| 1970 | 40.04 |
| 1969 | 46.1 |
| 1968 | 41.24 |
| 1967 | 42.32 |
| 1966 | 46.12 |
| 1965 | 50.6 |
| 1964 | 63.3 |
| 1963 | 37.12 |
| 1962 | 44.39 |
| 1961 | 45.57 |
| 1960 | 48.79 |
| 1959 | 55.87 |
| 1958 | 48.34 |
| 1957 | 45.69 |
| 1956 | 42.11 |
| 1955 | 44.19 |
| 1954 | 33.91 |
| 1953 | 41.61 |
| 1952 | 43.77 |
| 1951 | 33.89 |
| 1950 | 39.93 |