All-time weather records — Laconia, NH

Record high
100.0°F
August 18, 1987
Record low
-24.0°F
January 21, 1994
Wettest day
6.90 in
September 16, 1932

Climate change signal in Laconia

26%

of Laconia's all-time daily heat records were set in the last decade (95 of 366 records since 2015).

11.5%

of all-time daily cold records were set in the last decade (42 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1920s
·
·
1930s
·
2
1940s
·
·
1950s
·
·
1960s
·
·
1970s
6
16
1980s
63
126
1990s
83
98
2000s
77
61
2010s
78
50
2020s
59
13

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1970, the latest in 2026. Period of observation: 1926-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.0°F — Jan 7, 2007 -24.0°F — Jan 21, 1994 3.29 in — Jan 2, 1932
February 69.1°F — Feb 22, 2018 -17.0°F — Feb 6, 1988 2.91 in — Feb 26, 2010
March 82.0°F — Mar 23, 2012 -11.0°F — Mar 4, 2003 2.51 in — Mar 23, 2001
April 91.9°F — Apr 18, 2002 12.0°F — Apr 5, 1995 2.96 in — Apr 12, 1933
May 95.0°F — May 30, 1987 10.0°F — May 4, 1989 3.95 in — May 14, 2006
June 98.1°F — Jun 25, 2025 28.9°F — Jun 21, 1993 4.40 in — Jun 8, 1931
July 98.1°F — Jul 21, 1991 42.1°F — Jul 7, 1986 3.55 in — Jul 23, 2006
August 100.0°F — Aug 18, 1987 39.9°F — Aug 23, 1988 4.15 in — Aug 30, 1959
September 95.0°F — Sep 1, 1991 30.0°F — Sep 29, 2000 6.90 in — Sep 16, 1932
October 86.0°F — Oct 7, 2025 23.0°F — Oct 31, 2020 5.43 in — Oct 9, 2005
November 95.0°F — Nov 6, 1970 3.9°F — Nov 22, 2018 3.76 in — Nov 26, 1950
December 69.1°F — Dec 8, 1998 -13.0°F — Dec 24, 1989 2.87 in — Dec 2, 1942

Click a month to see every daily record for that month in Laconia.