Concord, NH: records

4 October 2026: The hottest day on record in Concord, NH: 102°F on Sunday 3 July 1966 and Tuesday 4 July 1911.

All-time records

The coldest night on record in Concord, NH: a low of -37°F on Tuesday 16 February 1943.
The wettest day on record in Concord, NH: 5.98 in on Monday 4 October 1869.
The warmest night on record in Concord, NH: a low of 78°F on Monday 25 July 1870.
The coldest day on record in Concord, NH: a high of -11°F on Friday 29 December 1933.

Month	Highest	Lowest	Wettest day
January	72°F 1 January 1876	-35°F 8 January 1878	1.98 in 11 January 1983
February	74°F 21 February 2018	-37°F 16 February 1943	2.91 in 13 February 2008
March	89°F 31 March 1998	-20°F 6 March 1869	2.48 in 22 March 2001
April	95°F 19 April 1976	4°F 5 April 2016	3.01 in 7 April 1901
May	98°F 22 May 1911	21°F 3 May 1966, 10 May 1947	5.12 in 13 May 2006
June	101°F 4 June 1919	30°F 12 June 1972	3.92 in 21 June 1944
July	102°F 3 July 1966, 4 July 1911	35°F 7 July 1965	4.82 in 13 July 1897
August	101°F 2 August 1975	29°F 31 August 1965	3.84 in 19 August 1991
September	98°F 2 September 1953	20°F 30 September 1941	5.95 in 16 September 1932
October	92°F 16 October 1879	10°F 21 October 1972, 24 October 1969	5.98 in 4 October 1869
November	80°F 6 November 2024, 2 November 1950, 2 November 1876	-17°F 30 November 1875	3.27 in 13 November 1937
December	73°F 7 December 1998	-24°F 20 December 1875	2.80 in 10 December 1878

The longest run of days with a high of 90°F or above in Concord, NH: 12 days, from Saturday 6 July to Wednesday 17 July 2024.
The longest run of days with a high of 32°F or below in Concord, NH: 37 days, from Wednesday 22 December 1976 to Thursday 27 January 1977.
The wettest month on record in Concord, NH: October 2005, with 14.57 in of precipitation.
The driest month on record in Concord, NH: March 1915, with a trace of precipitation.
The wettest year on record in Concord, NH: 2008, with 57.97 in of precipitation.
The driest year on record in Concord, NH: 1965, with 24.17 in of precipitation.

New daily records set in Concord, NH by decade since the 1890s: the most record highs, 66, came in the 1940s; the most record lows, 97, in the 1900s.

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1860s	0	0	2
1870s	0	0	10
1880s	0	0	10
1890s	17	38	10
1900s	55	97	10
1910s	65	42	10
1920s	54	38	10
1930s	52	25	10
1940s	66	66	10
1950s	39	53	10
1960s	30	62	10
1970s	35	89	10
1980s	25	27	10
1990s	35	13	10
2000s	29	10	10
2010s	34	4	10
2020s	27	3	7