All-time weather records — Allegany, NY

Record high
99.0°F
July 23, 2011
Record low
-22.0°F
January 22, 2022
Wettest day
6.00 in
July 18, 1942

Climate change signal in Allegany

71.9%

of Allegany's all-time daily heat records were set in the last decade (263 of 366 records since 2015).

74%

of all-time daily cold records were set in the last decade (271 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 #
1910s
·
·
1920s
1
·
1930s
·
·
1940s
·
·
1950s
·
·
1960s
3
4
1970s
·
·
1980s
2
3
1990s
·
·
2000s
·
·
2010s
218
218
2020s
142
141

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 1927, the latest in 2026. Period of observation: 1909-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.0°F — Jan 14, 2013 -22.0°F — Jan 22, 2022 1.76 in — Jan 8, 1998
February 73.0°F — Feb 25, 2017 -20.9°F — Feb 16, 2015 1.90 in — Feb 22, 1937
March 80.1°F — Mar 23, 2012 -16.1°F — Mar 1, 2015 2.25 in — Mar 18, 1936
April 86.0°F — Apr 15, 2023 15.1°F — Apr 3, 2021 2.64 in — Apr 6, 1929
May 89.1°F — May 22, 2022 23.0°F — May 9, 2020 2.78 in — May 9, 2004
June 91.9°F — Jun 24, 2025 30.0°F — Jun 1, 1967 4.41 in — Jun 20, 2024
July 99.0°F — Jul 23, 2011 44.1°F — Jul 10, 2022 6.00 in — Jul 18, 1942
August 90.0°F — Aug 11, 2025 41.0°F — Aug 31, 2025 3.65 in — Aug 14, 1994
September 91.0°F — Sep 4, 2011 30.0°F — Sep 20, 2020 4.98 in — Sep 29, 1967
October 86.0°F — Oct 2, 2019 17.1°F — Oct 30, 2018 2.47 in — Oct 7, 1959
November 78.1°F — Nov 5, 2015 -2.0°F — Nov 23, 2018 2.61 in — Nov 12, 2022
December 66.9°F — Dec 15, 2015 -11.9°F — Dec 24, 2022 3.14 in — Dec 1, 2010

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