All-time weather records — Massena, NY

Record high
100.0°F
August 1, 1975
Record low
-44.0°F
January 15, 1957
Wettest day
4.97 in
September 14, 1979

Climate change signal in Massena

18%

of Massena's all-time daily heat records were set in the last decade (66 of 366 records since 2015).

7.1%

of all-time daily cold records were set in the last decade (26 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
20
5
1950s
52
64
1960s
23
66
1970s
49
81
1980s
41
50
1990s
52
22
2000s
40
37
2010s
49
28
2020s
40
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 1948, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 15, 1995 -44.0°F — Jan 15, 1957 1.87 in — Jan 8, 1998
February 69.1°F — Feb 27, 2024 -38.0°F — Feb 7, 1993 1.49 in — Feb 7, 1951
March 84.0°F — Mar 31, 1998 -26.0°F — Mar 2, 1980 1.69 in — Mar 11, 1992
April 89.1°F — Apr 27, 1990 6.1°F — Apr 3, 1954 1.97 in — Apr 8, 2000
May 96.1°F — May 26, 2010 19.9°F — May 5, 1974 1.93 in — May 9, 2000
June 97.0°F — Jun 18, 1994 30.9°F — Jun 3, 1986 3.31 in — Jun 18, 2018
July 99.0°F — Jul 10, 2020 37.9°F — Jul 2, 1978 3.08 in — Jul 11, 1970
August 100.0°F — Aug 1, 1975 35.1°F — Aug 10, 2000 3.61 in — Aug 31, 2005
September 95.0°F — Sep 2, 1973 24.1°F — Sep 28, 1956 4.97 in — Sep 14, 1979
October 87.1°F — Oct 4, 2023 15.1°F — Oct 6, 1984 2.86 in — Oct 6, 1995
November 78.1°F — Nov 6, 1948 -8.9°F — Nov 23, 2018 2.07 in — Nov 8, 1996
December 68.0°F — Dec 6, 2001 -33.0°F — Dec 22, 1970 1.81 in — Dec 20, 1973

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