All-time weather records — Aliquippa, PA

Record high
99.0°F
June 30, 2012
Record low
-7.1°F
January 28, 2014
Wettest day
7.00 in
September 18, 2004

Climate change signal in Aliquippa

65%

of Aliquippa's all-time daily heat records were set in the last decade (238 of 366 records since 2015).

77.9%

of all-time daily cold records were set in the last decade (285 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
·
·
1950s
·
·
1960s
·
·
1970s
·
·
1980s
·
·
1990s
·
·
2000s
·
·
2010s
252
218
2020s
114
148

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 2011, the latest in 2026. Period of observation: 1944-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 69.1°F — Jan 12, 2020 -7.1°F — Jan 28, 2014 2.21 in — Jan 27, 1952
February 75.9°F — Feb 25, 2017 -5.1°F — Feb 1, 2026 2.14 in — Feb 6, 2010
March 86.0°F — Mar 24, 2012 1.0°F — Mar 6, 2015 1.78 in — Mar 5, 1963
April 84.9°F — Apr 19, 2013 26.1°F — Apr 2, 2021 2.19 in — Apr 12, 1948
May 93.9°F — May 9, 2015 32.0°F — May 9, 2020 2.54 in — May 27, 1946
June 99.0°F — Jun 30, 2012 43.0°F — Jun 2, 2025 3.56 in — Jun 18, 2009
July 99.0°F — Jul 7, 2012 33.1°F — Jul 28, 2017 3.87 in — Jul 28, 1999
August 97.0°F — Aug 12, 2016 48.9°F — Aug 31, 2025 2.70 in — Aug 6, 2007
September 97.0°F — Sep 4, 2011 42.1°F — Sep 20, 2020 7.00 in — Sep 18, 2004
October 91.0°F — Oct 2, 2019 32.0°F — Oct 31, 2020 3.58 in — Oct 16, 1954
November 79.0°F — Nov 6, 2024 12.9°F — Nov 14, 2019 2.05 in — Nov 2, 1999
December 70.0°F — Dec 13, 2015 -2.0°F — Dec 24, 2022 3.35 in — Dec 1, 2010

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