All-time weather records — Sunbury, PA

Record high
102.0°F
July 4, 1966
Record low
-15.0°F
January 22, 1961
Wettest day
7.45 in
June 22, 1972

Climate change signal in Sunbury

32%

of Sunbury's all-time daily heat records were set in the last decade (117 of 366 records since 2015).

14.2%

of all-time daily cold records were set in the last decade (52 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 #
1920s
·
·
1930s
·
·
1940s
·
·
1950s
32
30
1960s
108
171
1970s
37
34
1990s
·
·
2000s
34
47
2010s
84
60
2020s
71
24

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 1957, the latest in 2026. Period of observation: 1926-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 71.1°F — Jan 26, 1967 -15.0°F — Jan 22, 1961 2.03 in — Jan 4, 1944
February 77.0°F — Feb 22, 2018 -9.9°F — Feb 2, 1961 2.15 in — Feb 4, 2022
March 81.0°F — Mar 28, 2007 1.0°F — Mar 1, 2014 3.06 in — Mar 5, 2008
April 91.9°F — Apr 25, 1960 16.0°F — Apr 2, 1964 2.80 in — Apr 3, 2005
May 97.0°F — May 22, 1975 28.0°F — May 10, 1962 4.36 in — May 7, 1944
June 100.0°F — Jun 30, 1959 37.0°F — Jun 1, 2009 7.45 in — Jun 22, 1972
July 102.0°F — Jul 4, 1966 41.0°F — Jul 26, 2008 4.00 in — Jul 24, 2018
August 99.0°F — Aug 21, 1962 41.0°F — Aug 27, 2025 4.75 in — Aug 19, 1955
September 96.1°F — Sep 5, 1964 27.0°F — Sep 24, 1963 6.00 in — Sep 18, 2004
October 91.0°F — Oct 10, 2007 19.0°F — Oct 24, 1969 3.89 in — Oct 1, 2010
November 81.0°F — Nov 1, 2024 8.1°F — Nov 23, 1964 4.25 in — Nov 27, 2007
December 71.1°F — Dec 2, 2006 -11.9°F — Dec 23, 1960 2.37 in — Dec 18, 2023

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