# Annual precipitation in McHenry County

Annual precipitation in McHenry County was 17.43 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-38049`
- 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/mchenry-county-north-dakota
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-38049

| Period | inches |
|---|---:|
| 2025 | 17.43 |
| 2024 | 18.58 |
| 2023 | 14.24 |
| 2022 | 16.18 |
| 2021 | 15.14 |
| 2020 | 10.96 |
| 2019 | 21.19 |
| 2018 | 15.42 |
| 2017 | 10.57 |
| 2016 | 20.24 |
| 2015 | 16.79 |
| 2014 | 18.14 |
| 2013 | 24.09 |
| 2012 | 14.62 |
| 2011 | 21.62 |
| 2010 | 24.45 |
| 2009 | 17.38 |
| 2008 | 20.67 |
| 2007 | 16.67 |
| 2006 | 12.55 |
| 2005 | 22.54 |
| 2004 | 20.03 |
| 2003 | 15.51 |
| 2002 | 15.29 |
| 2001 | 14.46 |
| 2000 | 22.37 |
| 1999 | 21.45 |
| 1998 | 20.59 |
| 1997 | 14.19 |
| 1996 | 18.14 |
| 1995 | 15.89 |
| 1994 | 22.35 |
| 1993 | 21.94 |
| 1992 | 9.85 |
| 1991 | 18.84 |
| 1990 | 16.62 |
| 1989 | 13.07 |
| 1988 | 10.86 |
| 1987 | 15.95 |
| 1986 | 17.03 |
| 1985 | 18.22 |
| 1984 | 15.53 |
| 1983 | 15.97 |
| 1982 | 21.01 |
| 1981 | 14.9 |
| 1980 | 19.56 |
| 1979 | 13.63 |
| 1978 | 15.26 |
| 1977 | 16.98 |
| 1976 | 10.96 |
| 1975 | 23.32 |
| 1974 | 15.02 |
| 1973 | 16.57 |
| 1972 | 16.88 |
| 1971 | 19.77 |
| 1970 | 19.02 |
| 1969 | 15.4 |
| 1968 | 18.99 |
| 1967 | 12.84 |
| 1966 | 12.68 |
| 1965 | 18.36 |
| 1964 | 20.07 |
| 1963 | 18 |
| 1962 | 17.6 |
| 1961 | 11.15 |
| 1960 | 13.67 |
| 1959 | 15.41 |
| 1958 | 13.26 |
| 1957 | 14.96 |
| 1956 | 14.95 |
| 1955 | 15.53 |
| 1954 | 22.43 |
| 1953 | 19.06 |
| 1952 | 14.13 |
| 1951 | 16.64 |
| 1950 | 17.67 |