# Annual precipitation in Grayson County

Annual precipitation in Grayson County was 40.46 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-48181`
- 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/grayson-county-texas
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-48181

| Period | inches |
|---|---:|
| 2025 | 40.46 |
| 2024 | 42.42 |
| 2023 | 35.81 |
| 2022 | 35.37 |
| 2021 | 42.2 |
| 2020 | 49.56 |
| 2019 | 45.98 |
| 2018 | 49.49 |
| 2017 | 39.59 |
| 2016 | 41.27 |
| 2015 | 73.93 |
| 2014 | 27.81 |
| 2013 | 35.17 |
| 2012 | 34.15 |
| 2011 | 28.05 |
| 2010 | 37.99 |
| 2009 | 54.88 |
| 2008 | 33.62 |
| 2007 | 47.06 |
| 2006 | 32.52 |
| 2005 | 22.96 |
| 2004 | 45.36 |
| 2003 | 25.74 |
| 2002 | 46.66 |
| 2001 | 42.76 |
| 2000 | 41.12 |
| 1999 | 32.08 |
| 1998 | 35.42 |
| 1997 | 43.48 |
| 1996 | 44.57 |
| 1995 | 40.64 |
| 1994 | 52.59 |
| 1993 | 44.22 |
| 1992 | 41.64 |
| 1991 | 51.53 |
| 1990 | 54.67 |
| 1989 | 43.91 |
| 1988 | 29.73 |
| 1987 | 45.42 |
| 1986 | 43.98 |
| 1985 | 43.27 |
| 1984 | 37.89 |
| 1983 | 32.84 |
| 1982 | 48.99 |
| 1981 | 52.26 |
| 1980 | 30.54 |
| 1979 | 37.61 |
| 1978 | 29.74 |
| 1977 | 33.83 |
| 1976 | 35.31 |
| 1975 | 34.77 |
| 1974 | 46.35 |
| 1973 | 53.53 |
| 1972 | 31.24 |
| 1971 | 40.71 |
| 1970 | 37.62 |
| 1969 | 43.06 |
| 1968 | 47.67 |
| 1967 | 40.13 |
| 1966 | 37.57 |
| 1965 | 34.62 |
| 1964 | 43.94 |
| 1963 | 19.56 |
| 1962 | 41.94 |
| 1961 | 35.1 |
| 1960 | 37.14 |
| 1959 | 37.69 |
| 1958 | 36.83 |
| 1957 | 61.14 |
| 1956 | 22.56 |
| 1955 | 29.93 |
| 1954 | 33.9 |
| 1953 | 35.79 |
| 1952 | 28.87 |
| 1951 | 32.16 |
| 1950 | 44.39 |