Earliest and Latest Days of 90° F in Hanover

This is a list of the earliest and latest days in the year with a high temperature of at least 90 °F in Hanover, New Hampshire history. It is based on NOAA data from the years 1884–2024.

Also see:

Earliest 90 degree day in Hanover?

The earliest in the year that Hanover, New Hampshire had a high temperature of at least 90 °F is April 16 which happened in 2012.

Latest 90 degree day in Hanover?

The latest in the year that Hanover, New Hampshire had a high temperature of at least 90 °F is September 25 which happened in 2017.

Earliest Days ≥ 90 °F

Date	Year	Temperature
April 16	2012	90 °F
April 17	2002	90 °F
April 19	1976	90 °F
April 20	1941	91 °F
April 27	1990	90 °F
April 28	2009	90 °F
April 28	1990	93 °F
May 3	2001	90 °F
May 4	1944	90 °F
May 5	1944	90 °F
May 8	1936	91 °F
May 9	1979	92 °F
May 11	1911	91 °F
May 17	2017	90 °F
May 17	1977	90 °F
May 18	2017	92 °F
May 18	1989	94 °F
May 18	1986	92 °F
May 18	1906	90 °F
May 19	2017	91 °F
May 19	1989	95 °F
May 19	1986	94 °F
May 19	1971	90 °F
May 19	1962	93 °F

Latest Days ≥ 90 °F

Date	Year	Temperature
September 25	2017	90 °F
September 24	2017	90 °F
September 23	1914	91 °F
September 22	1965	90 °F
September 22	1914	93 °F
September 20	1985	90 °F
September 16	1939	94 °F
September 16	1915	90 °F
September 15	1939	94 °F
September 15	1915	91 °F
September 15	1903	90 °F
September 14	1982	92 °F
September 14	1903	90 °F
September 13	1982	90 °F
September 13	1948	91 °F
September 12	2013	91 °F
September 11	2013	93 °F
September 11	2002	95 °F
September 11	1961	91 °F
September 11	1931	92 °F