Number of Days of 100 °F in Rochester by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 100 degrees Fahrenheit in Rochester, Massachusetts, between 1900 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 1991 holds the record for the most 100 °F days in Rochester history. There were 2 days with a high temperature of at least 100 degrees that year.

How many so far this year (2024)?

It has not reached 100 degrees Fahrenheit in Rochester so far in 2024. As of April 17, the highest temperature this year is 74 °F.

The last time it reached at least 100° F was August 3, 2006.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 100 °F
2024	6	0
2023	6	0
2022	6	0
2021	6	0
2020	6	0
2019	6	0
2018	6	0
2017	6	0
2016	6	0
2015	6	0
2014	6	0
2013	6	0
2012	6	0
2011	6	0
2010	6	0
2009	6	0
2008	6	0
2007	6	0
2006	2	1
2005	6	0
2004	6	0
2003	6	0
2002	6	0
2001	2	1
2000	6	0
1999	6	0
1998	6	0
1997	6	0
1996	6	0
1995	6	0
1994	6	0
1993	2	1
1992	6	0
1991	1	2
1990	6	0
1989	6	0
1988	6	0
1987	6	0
1986	6	0
1985	6	0
1984	6	0
1983	6	0
1982	6	0
1981	6	0
1980	6	0
1979	6	0
1978	6	0
1977	6	0
1976	6	0
1975	2	1
1974	6	0
1973	6	0
1972	6	0
1971	6	0
1970	6	0
1969	6	0
1968	6	0
1967	6	0
1966	6	0
1965	6	0
1964	6	0
1963	6	0
1962	6	0
1961	6	0
1960	6	0
1959	6	0
1958	6	0
1957	6	0
1956	6	0
1955	6	0
1954	6	0
1953	6	0
1952	6	0
1951	6	0
1950	6	0
1949	6	0
1948	6	0
1947	6	0
1946	6	0
1945	6	0
1944	6	0
1943	6	0
1942	6	0
1941	6	0
1940	6	0
1939	6	0
1938	6	0
1937	6	0
1936	6	0
1935	6	0
1934	6	0
1933	6	0
1932	6	0
1931	6	0
1930	6	0
1929	6	0
1928	6	0
1927	6	0
1926	6	0
1925	6	0
1924	6	0
1923	6	0
1922	6	0
1921	6	0
1920	6	0
1919	6	0
1918	6	0
1917	6	0
1916	6	0
1915	6	0
1914	6	0
1913	6	0
1912	6	0
1911	6	0
1910	6	0
1909	6	0
1908	6	0
1907	6	0
1906	6	0
1905	6	0
1904	6	0
1903	6	0
1902	6	0
1901	6	0
1900	6	0

Weather Station Details

Years	Station	Coordinates
1900–2024	Rochester	location