All-time weather records — Reading, PA

Record high
106.0°F
July 22, 2011
Record low
-6.9°F
January 22, 2025
Wettest day
6.75 in
October 8, 2005

Climate change signal in Reading

45.9%

of Reading's all-time daily heat records were set in the last decade (168 of 366 records since 2015).

27.9%

of all-time daily cold records were set in the last decade (102 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
15
29
1950s
3
11
1990s
12
15
2000s
108
152
2010s
125
118
2020s
103
41

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 1949, the latest in 2026. Period of observation: 1949-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 73.9°F — Jan 26, 1950 -6.9°F — Jan 22, 2025 3.02 in — Jan 23, 2016
February 82.0°F — Feb 21, 2018 -2.7°F — Feb 24, 2015 2.70 in — Feb 13, 2008
March 86.0°F — Mar 29, 2025 2.1°F — Mar 6, 2015 2.77 in — Mar 21, 2000
April 91.9°F — Apr 27, 2009 21.0°F — Apr 14, 1950 3.00 in — Apr 30, 2014
May 93.9°F — May 31, 2011 32.0°F — May 3, 2005 2.07 in — May 30, 2025
June 100.9°F — Jun 22, 2024 43.0°F — Jun 1, 2009 2.90 in — Jun 22, 2001
July 106.0°F — Jul 22, 2011 50.0°F — Jul 2, 2007 5.35 in — Jul 9, 2023
August 100.9°F — Aug 2, 2002 45.0°F — Aug 21, 1949 5.89 in — Aug 2, 2020
September 99.0°F — Sep 2, 2010 34.0°F — Sep 29, 2000 5.15 in — Sep 30, 2010
October 93.0°F — Oct 2, 2019 24.1°F — Oct 31, 2011 6.75 in — Oct 8, 2005
November 82.9°F — Nov 6, 2024 14.2°F — Nov 23, 2018 2.21 in — Nov 2, 2018
December 72.0°F — Dec 1, 2006 1.9°F — Dec 14, 2005 1.88 in — Dec 18, 2023

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