All-time weather records — Westminster, MD
Climate change signal in Westminster
of Westminster's all-time daily heat records were set in the last decade (80 of 366 records since 2015).
of all-time daily cold records were set in the last decade (53 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 | # |
|---|---|---|---|---|
| 1990s | 90 | 137 | ||
| 2000s | 125 | 125 | ||
| 2010s | 131 | 97 | ||
| 2020s | 20 | 7 |
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 1993, the latest in 2021. Period of observation: 1993-2021.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 70.0°F — Jan 8, 2008 | -14.1°F — Jan 19, 1994 | 2.29 in — Jan 14, 2005 |
| February | 80.1°F — Feb 22, 2018 | -16.1°F — Feb 5, 1996 | 2.16 in — Feb 14, 2007 |
| March | 87.1°F — Mar 31, 1998 | -9.0°F — Mar 6, 2015 | 2.74 in — Mar 22, 2019 |
| April | 91.0°F — Apr 18, 2002 | 19.0°F — Apr 7, 2002 | 2.16 in — Apr 16, 2018 |
| May | 93.0°F — May 20, 1996 | 27.0°F — May 14, 1996 | 2.16 in — May 3, 2016 |
| June | 97.0°F — Jun 30, 2012 | 39.0°F — Jun 9, 1998 | 3.37 in — Jun 28, 2006 |
| July | 102.0°F — Jul 23, 2011 | 45.0°F — Jul 30, 1997 | 3.68 in — Jul 22, 2018 |
| August | 98.1°F — Aug 3, 2002 | 44.1°F — Aug 21, 2000 | 3.10 in — Aug 28, 2011 |
| September | 95.0°F — Sep 2, 2010 | 30.9°F — Sep 21, 2020 | 6.26 in — Sep 2, 2021 |
| October | 91.0°F — Oct 10, 2007 | 21.0°F — Oct 23, 1997 | 5.07 in — Oct 30, 2012 |
| November | 82.0°F — Nov 4, 2003 | 12.9°F — Nov 30, 1995 | 2.70 in — Nov 8, 1997 |
| December | 77.0°F — Dec 8, 1998 | -0.9°F — Dec 7, 2002 | 2.61 in — Dec 5, 1993 |
Click a month to see every daily record for that month in Westminster.