All-time weather records — Manchester, MD

Record high
102.0°F
July 22, 2011
Record low
-13.0°F
January 19, 1994
Wettest day
6.08 in
July 24, 2018

Climate change signal in Manchester

29.8%

of Manchester's all-time daily heat records were set in the last decade (109 of 366 records since 2015).

23.8%

of all-time daily cold records were set in the last decade (87 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 #
1980s
20
34
1990s
102
108
2000s
88
92
2010s
91
89
2020s
65
43

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 1988, the latest in 2026. Period of observation: 1988-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 71.1°F — Jan 26, 2024 -13.0°F — Jan 19, 1994 2.83 in — Jan 23, 2016
February 79.0°F — Feb 21, 2018 -7.1°F — Feb 5, 1996 2.36 in — Feb 14, 2007
March 84.9°F — Mar 14, 1990 0.0°F — Mar 8, 2007 2.56 in — Mar 30, 2014
April 90.0°F — Apr 17, 2002 21.0°F — Apr 4, 2013 2.69 in — Apr 30, 2014
May 91.9°F — May 30, 2006 30.0°F — May 9, 2020 3.54 in — May 6, 1989
June 96.1°F — Jun 22, 2024 42.1°F — Jun 1, 2020 2.65 in — Jun 19, 1996
July 102.0°F — Jul 22, 2011 46.9°F — Jul 3, 2001 6.08 in — Jul 24, 2018
August 98.1°F — Aug 15, 1988 44.1°F — Aug 31, 2025 4.12 in — Aug 28, 2011
September 96.1°F — Sep 6, 2023 35.1°F — Sep 20, 2020 4.80 in — Sep 18, 2004
October 91.0°F — Oct 2, 2019 24.1°F — Oct 31, 1988 4.63 in — Oct 8, 2005
November 82.0°F — Nov 4, 2003 14.0°F — Nov 24, 1989 3.92 in — Nov 28, 1993
December 75.0°F — Dec 5, 2001 -0.9°F — Dec 22, 1989 2.91 in — Dec 5, 1993

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