All-time weather records — Lock Haven, PA

Record high
105.1°F
July 23, 2011
Record low
-18.9°F
January 18, 1982
Wettest day
6.10 in
September 18, 2004

Climate change signal in Lock Haven

24.6%

of Lock Haven's all-time daily heat records were set in the last decade (90 of 366 records since 2015).

11.2%

of all-time daily cold records were set in the last decade (41 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
·
·
1970s
14
1
1980s
72
155
1990s
81
76
2000s
75
54
2010s
76
65
2020s
48
15

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 1973, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.9°F — Jan 11, 2020 -18.9°F — Jan 18, 1982 2.45 in — Jan 13, 2018
February 78.1°F — Feb 25, 2017 -11.9°F — Feb 16, 2015 2.27 in — Feb 15, 1984
March 87.1°F — Mar 31, 1998 -4.0°F — Mar 1, 2014 2.70 in — Mar 5, 1993
April 93.0°F — Apr 28, 2009 12.0°F — Apr 8, 1982 2.02 in — Apr 17, 1993
May 95.0°F — May 20, 1996 27.0°F — May 8, 1980 3.89 in — May 16, 2014
June 98.1°F — Jun 22, 1988 34.0°F — Jun 12, 1980 4.22 in — Jun 29, 1983
July 105.1°F — Jul 23, 2011 42.1°F — Jul 4, 1983 2.90 in — Jul 23, 2024
August 100.0°F — Aug 1, 1999 34.0°F — Aug 29, 1986 3.34 in — Aug 28, 2006
September 100.0°F — Sep 1, 1973 30.0°F — Sep 24, 1983 6.10 in — Sep 18, 2004
October 91.0°F — Oct 9, 2007 21.0°F — Oct 30, 1988 4.07 in — Oct 1, 2010
November 82.0°F — Nov 1, 2024 10.0°F — Nov 22, 2008 4.12 in — Nov 25, 1950
December 75.9°F — Dec 4, 2001 -9.0°F — Dec 24, 1989 2.06 in — Dec 25, 2020

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