All-time weather records — Wellsville, NY

Record high
100.0°F
July 23, 2011
Record low
-24.0°F
February 16, 2015
Wettest day
6.57 in
June 21, 1972

Climate change signal in Wellsville

47.3%

of Wellsville's all-time daily heat records were set in the last decade (173 of 366 records since 2015).

43.7%

of all-time daily cold records were set in the last decade (160 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 #
1950s
·
·
1960s
·
·
1970s
·
·
1980s
3
·
1990s
·
·
2000s
96
118
2010s
175
169
2020s
92
79

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 1980, the latest in 2026. Period of observation: 1956-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.0°F — Jan 9, 2008 -18.9°F — Jan 23, 2022 2.11 in — Jan 13, 2018
February 72.0°F — Feb 25, 2017 -24.0°F — Feb 16, 2015 2.30 in — Feb 26, 1961
March 77.0°F — Mar 23, 2012 -22.0°F — Mar 1, 2015 1.80 in — Mar 4, 1999
April 87.1°F — Apr 28, 2009 5.0°F — Apr 6, 2016 1.97 in — Apr 30, 2021
May 96.1°F — May 23, 1980 21.0°F — May 18, 2014 2.30 in — May 14, 2011
June 91.9°F — Jun 10, 2008 30.0°F — Jun 13, 2020 6.57 in — Jun 21, 1972
July 100.0°F — Jul 23, 2011 37.9°F — Jul 2, 2007 3.03 in — Jul 22, 2003
August 91.0°F — Aug 13, 2025 39.0°F — Aug 30, 2025 4.35 in — Aug 13, 1994
September 90.0°F — Sep 4, 2011 28.0°F — Sep 22, 2020 3.91 in — Sep 14, 1977
October 84.9°F — Oct 2, 2019 19.0°F — Oct 14, 2012 3.42 in — Oct 20, 1995
November 75.0°F — Nov 1, 2024 -2.9°F — Nov 23, 2018 2.50 in — Nov 12, 2022
December 66.9°F — Dec 5, 2012 -8.0°F — Dec 10, 2025 1.81 in — Dec 1, 2010

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