# Annual precipitation in Gwinnett County

Annual precipitation in Gwinnett County was 48.28 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-13135`
- 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/gwinnett-county-georgia
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-13135

| Period | inches |
|---|---:|
| 2025 | 48.28 |
| 2024 | 54.08 |
| 2023 | 54.88 |
| 2022 | 52.17 |
| 2021 | 54.41 |
| 2020 | 71.72 |
| 2019 | 52.13 |
| 2018 | 69.75 |
| 2017 | 52.87 |
| 2016 | 33.92 |
| 2015 | 62.66 |
| 2014 | 48.33 |
| 2013 | 72.3 |
| 2012 | 42.28 |
| 2011 | 44.65 |
| 2010 | 45.26 |
| 2009 | 72.86 |
| 2008 | 43.38 |
| 2007 | 33.55 |
| 2006 | 42.36 |
| 2005 | 56.95 |
| 2004 | 56.11 |
| 2003 | 63.13 |
| 2002 | 56.89 |
| 2001 | 45.64 |
| 2000 | 41.6 |
| 1999 | 42.39 |
| 1998 | 52.86 |
| 1997 | 61.97 |
| 1996 | 52 |
| 1995 | 53.16 |
| 1994 | 57.68 |
| 1993 | 48.72 |
| 1992 | 58.4 |
| 1991 | 57 |
| 1990 | 55.63 |
| 1989 | 60.97 |
| 1988 | 41.39 |
| 1987 | 40.26 |
| 1986 | 41.98 |
| 1985 | 47.91 |
| 1984 | 51.44 |
| 1983 | 58.13 |
| 1982 | 61.68 |
| 1981 | 40.08 |
| 1980 | 58.08 |
| 1979 | 59.16 |
| 1978 | 42.75 |
| 1977 | 53.75 |
| 1976 | 54.79 |
| 1975 | 64.64 |
| 1974 | 54.38 |
| 1973 | 58.97 |
| 1972 | 55.77 |
| 1971 | 55.76 |
| 1970 | 42.3 |
| 1969 | 51.6 |
| 1968 | 49.67 |
| 1967 | 62.63 |
| 1966 | 60.01 |
| 1965 | 46.78 |
| 1964 | 70.56 |
| 1963 | 57.61 |
| 1962 | 52.54 |
| 1961 | 62.75 |
| 1960 | 44.55 |
| 1959 | 47.6 |
| 1958 | 42.76 |
| 1957 | 48.68 |
| 1956 | 49.44 |
| 1955 | 39.51 |
| 1954 | 35.05 |
| 1953 | 52.37 |
| 1952 | 44.57 |
| 1951 | 48.32 |
| 1950 | 44.41 |