Feature Freeze-thaw days
Winter 2025-26 brought 70 freeze-thaw days to Philadelphia International Airport, the most since 2018-19, led by a record 28 in December.
October 3, 2026
70
Freeze-thaw days, winter ending 2026 · +16.7% on the year
Freeze-thaw days at the airport have declined since the 1940s, and 2025-26 brought 70
Freeze-thaw days per winter, July through June, Philadelphia International Airport, 1940-41 to 2025-26. Each bar is labeled with the year its winter ended.
Freeze-thaw days at the airport have declined since the 1940s, and 2025-26 brought 70 Bar chart with 86 points from 1941 to 2026, in Freeze-thaw days. Series: Freeze-thaw days. Values range from 0 to 104. 0 50 100 150 1960 1980 2000 2026 1941: 104 1942: 87 1943: 93 1944: 97 1945: 75 1946: 63 1947: 83 1948: 86 1949: 66 1950: 85 1951: 76 1952: 78 1953: 67 1954: 66 1955: 67 1956: 82 1957: 72 1958: 62 1959: 78 1960: 100 1961: 71 1962: 93 1963: 88 1964: 92 1965: 85 1966: 85 1967: 86 1968: 77 1969: 85 1970: 90 1971: 68 1972: 74 1973: 60 1974: 73 1975: 86 1976: 69 1977: 79 1978: 61 1979: 57 1980: 60 1981: 72 1982: 83 1983: 74 1984: 68 1985: 77 1986: 71 1987: 92 1988: 70 1989: 83 1990: 78 1991: 63 1992: 72 1993: 66 1994: 62 1995: 60 1996: 73 1997: 74 1998: 62 1999: 51 2000: 53 2001: 81 2002: 59 2003: 64 2004: 70 2005: 63 2006: 73 2007: 62 2008: 68 2009: 71 2010: 65 2011: 72 2012: 45 2013: 67 2014: 74 2015: 68 2016: 39 2017: 56 2018: 67 2019: 74 2020: 57 2021: 67 2022: 60 2023: 50 2024: 50 2025: 60 2026: 70 70
Freeze-thaw days at the airport have declined since the 1940s, and 2025-26 brought 70 Bar chart with 86 points from 1941 to 2026, in Freeze-thaw days. Series: Freeze-thaw days. Values range from 0 to 104. 0 50 100 150 1950 2000 2026 1941: 104 1942: 87 1943: 93 1944: 97 1945: 75 1946: 63 1947: 83 1948: 86 1949: 66 1950: 85 1951: 76 1952: 78 1953: 67 1954: 66 1955: 67 1956: 82 1957: 72 1958: 62 1959: 78 1960: 100 1961: 71 1962: 93 1963: 88 1964: 92 1965: 85 1966: 85 1967: 86 1968: 77 1969: 85 1970: 90 1971: 68 1972: 74 1973: 60 1974: 73 1975: 86 1976: 69 1977: 79 1978: 61 1979: 57 1980: 60 1981: 72 1982: 83 1983: 74 1984: 68 1985: 77 1986: 71 1987: 92 1988: 70 1989: 83 1990: 78 1991: 63 1992: 72 1993: 66 1994: 62 1995: 60 1996: 73 1997: 74 1998: 62 1999: 51 2000: 53 2001: 81 2002: 59 2003: 64 2004: 70 2005: 63 2006: 73 2007: 62 2008: 68 2009: 71 2010: 65 2011: 72 2012: 45 2013: 67 2014: 74 2015: 68 2016: 39 2017: 56 2018: 67 2019: 74 2020: 57 2021: 67 2022: 60 2023: 50 2024: 50 2025: 60 2026: 70 70