All-time weather records — Coatesville, PA
Climate change signal in Coatesville
of Coatesville's all-time daily heat records were set in the last decade (0 of 366 records since 2015).
of all-time daily cold records were set in the last decade (0 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 | 100 | 171 | ||
| 1990s | 161 | 126 | ||
| 2000s | 105 | 69 |
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 1983, the latest in 2007. Period of observation: 1983-2007.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 71.1°F — Jan 29, 2002 | -14.1°F — Jan 22, 1984 | 2.41 in — Jan 3, 1999 |
| February | 73.9°F — Feb 24, 1985 | -5.1°F — Feb 6, 1996 | 1.82 in — Feb 22, 2003 |
| March | 88.0°F — Mar 30, 1998 | -4.0°F — Mar 10, 1984 | 3.60 in — Mar 21, 2000 |
| April | 91.9°F — Apr 17, 2002 | 21.0°F — Apr 5, 1995 | 3.19 in — Apr 15, 2007 |
| May | 93.9°F — May 20, 1996 | 28.9°F — May 4, 1986 | 3.05 in — May 29, 1990 |
| June | 96.1°F — Jun 16, 1991 | 36.0°F — Jun 3, 1986 | 3.12 in — Jun 26, 2006 |
| July | 100.0°F — Jul 16, 1988 | 45.0°F — Jul 4, 1986 | 2.77 in — Jul 8, 2005 |
| August | 100.0°F — Aug 2, 2002 | 39.0°F — Aug 30, 1986 | 3.58 in — Aug 9, 2003 |
| September | 96.1°F — Sep 11, 1983 | 34.0°F — Sep 25, 1983 | 7.85 in — Sep 16, 1999 |
| October | 89.1°F — Oct 9, 2007 | 21.0°F — Oct 31, 1988 | 6.62 in — Oct 8, 2005 |
| November | 80.1°F — Nov 3, 2003 | 10.0°F — Nov 24, 1989 | 2.84 in — Nov 29, 1987 |
| December | 75.0°F — Dec 5, 2001 | -2.9°F — Dec 25, 1983 | 3.27 in — Dec 5, 1993 |
Click a month to see every daily record for that month in Coatesville.