# Heating degree days in Virginia

Heating degree days in Virginia was 4,154 degree days (base 65°F) in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `heating_degree_days_annual`
- Place id: `us-state-51`
- Unit: degree days (base 65°F)
- Definition: Sum over January to December of the degrees by which the daily mean temperature falls below 65°F, a measure of heating demand. NOAA estimates monthly values from nClimDiv temperatures and weights areas by population (2010 Census).
- Note: NOAA publishes these for operational monitoring; they can differ from official degree day publications.
- Source: NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December heating degree days (base 65°F), contiguous US and statewide (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/time-series/44/hdd/12/12/1895-2025/data.json)
- 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 heating degree days (base 65°F), contiguous US and statewide. 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/statewide/time-series/44/hdd/12/12/1895-2025/data.json. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/heating-degree-days/virginia
- API: https://invokely.ai/api/v1/series?indicator=heating_degree_days_annual&place=us-state-51

| Period | degree days (base 65°F) |
|---|---:|
| 2025 | 4,154 |
| 2024 | 3,678 |
| 2023 | 3,632 |
| 2022 | 4,233 |
| 2021 | 3,927 |
| 2020 | 3,763 |
| 2019 | 3,992 |
| 2018 | 4,322 |
| 2017 | 3,789 |
| 2016 | 4,065 |
| 2015 | 4,164 |
| 2014 | 4,709 |
| 2013 | 4,434 |
| 2012 | 3,761 |
| 2011 | 4,038 |
| 2010 | 4,539 |
| 2009 | 4,436 |
| 2008 | 4,269 |
| 2007 | 4,094 |
| 2006 | 3,943 |
| 2005 | 4,413 |
| 2004 | 4,270 |
| 2003 | 4,539 |
| 2002 | 4,138 |
| 2001 | 4,130 |
| 2000 | 4,492 |
| 1999 | 4,143 |
| 1998 | 3,787 |
| 1997 | 4,528 |
| 1996 | 4,795 |
| 1995 | 4,606 |
| 1994 | 4,415 |
| 1993 | 4,659 |
| 1992 | 4,553 |
| 1991 | 3,991 |
| 1990 | 3,640 |
| 1989 | 4,767 |
| 1988 | 4,908 |
| 1987 | 4,647 |
| 1986 | 4,409 |
| 1985 | 4,278 |
| 1984 | 4,465 |
| 1983 | 4,728 |
| 1982 | 4,540 |
| 1981 | 4,925 |
| 1980 | 4,876 |
| 1979 | 4,735 |
| 1978 | 5,027 |
| 1977 | 4,711 |
| 1976 | 4,742 |
| 1975 | 4,381 |
| 1974 | 4,222 |
| 1973 | 4,351 |
| 1972 | 4,613 |
| 1971 | 4,517 |
| 1970 | 4,737 |
| 1969 | 5,016 |
| 1968 | 4,875 |
| 1967 | 4,822 |
| 1966 | 5,027 |
| 1965 | 4,681 |
| 1964 | 4,578 |
| 1963 | 4,950 |
| 1962 | 4,938 |
| 1961 | 4,759 |
| 1960 | 5,003 |
| 1959 | 4,362 |
| 1958 | 5,184 |
| 1957 | 4,385 |
| 1956 | 4,381 |
| 1955 | 4,634 |
| 1954 | 4,398 |
| 1953 | 4,073 |
| 1952 | 4,437 |
| 1951 | 4,492 |
| 1950 | 4,485 |
| 1949 | 4,013 |
| 1948 | 4,502 |
| 1947 | 4,726 |
| 1946 | 3,953 |
| 1945 | 4,422 |
| 1944 | 4,713 |
| 1943 | 4,685 |
| 1942 | 4,575 |
| 1941 | 4,482 |
| 1940 | 5,160 |
| 1939 | 4,300 |
| 1938 | 4,208 |
| 1937 | 4,667 |
| 1936 | 4,797 |
| 1935 | 4,757 |
| 1934 | 4,786 |
| 1933 | 4,248 |
| 1932 | 4,242 |
| 1931 | 4,156 |
| 1930 | 4,604 |
| 1929 | 4,432 |
| 1928 | 4,662 |
| 1927 | 4,275 |
| 1926 | 4,987 |
| 1925 | 4,633 |
| 1924 | 5,005 |
| 1923 | 4,540 |
| 1922 | 4,350 |
| 1921 | 3,928 |
| 1920 | 4,887 |
| 1919 | 4,431 |
| 1918 | 4,708 |
| 1917 | 5,376 |
| 1916 | 4,681 |
| 1915 | 4,693 |
| 1914 | 4,933 |
| 1913 | 4,085 |
| 1912 | 4,917 |
| 1911 | 4,482 |
| 1910 | 4,772 |
| 1909 | 4,543 |
| 1908 | 4,546 |
| 1907 | 4,916 |
| 1906 | 4,610 |
| 1905 | 4,949 |
| 1904 | 5,379 |
| 1903 | 4,787 |
| 1902 | 4,732 |
| 1901 | 5,157 |
| 1900 | 4,543 |
| 1899 | 4,841 |
| 1898 | 4,518 |
| 1897 | 4,520 |
| 1896 | 4,597 |
| 1895 | 5,231 |