All-time weather records — Franklin, NH

Record high
102.0°F
August 10, 1949
Record low
-36.0°F
January 14, 1957
Wettest day
4.58 in
August 11, 1990

Climate change signal in Franklin

15.6%

of Franklin's all-time daily heat records were set in the last decade (57 of 366 records since 2015).

6.6%

of all-time daily cold records were set in the last decade (24 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 #
1940s
26
13
1950s
106
123
1960s
3
3
1970s
61
118
1980s
71
70
1990s
27
4
2010s
37
31
2020s
35
4

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 1948, the latest in 2025. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 63.0°F — Jan 4, 1950 -36.0°F — Jan 14, 1957 2.71 in — Jan 27, 1986
February 70.0°F — Feb 24, 2017 -24.0°F — Feb 13, 1979 2.69 in — Feb 25, 1981
March 81.0°F — Mar 31, 1977 -18.0°F — Mar 10, 1972 2.28 in — Mar 14, 1977
April 91.9°F — Apr 20, 1976 8.1°F — Apr 5, 2016 2.17 in — Apr 29, 1988
May 93.9°F — May 19, 2017 18.0°F — May 9, 1956 2.76 in — May 30, 1984
June 100.0°F — Jun 26, 1952 28.9°F — Jun 7, 1958 3.05 in — Jun 16, 1969
July 100.0°F — Jul 9, 1982 37.0°F — Jul 24, 1985 2.76 in — Jul 17, 2023
August 102.0°F — Aug 10, 1949 30.9°F — Aug 31, 1976 4.58 in — Aug 11, 1990
September 96.1°F — Sep 2, 1953 23.0°F — Sep 28, 1965 3.45 in — Sep 13, 1960
October 84.9°F — Oct 1, 1986 12.0°F — Oct 21, 1972 3.84 in — Oct 7, 1962
November 79.0°F — Nov 2, 1950 -6.0°F — Nov 24, 1989 2.35 in — Nov 20, 1948
December 66.9°F — Dec 5, 1982 -26.0°F — Dec 17, 1951 3.20 in — Dec 27, 1969

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