All-time weather records — Meriden, CT
Climate change signal in Meriden
of Meriden's all-time daily heat records were set in the last decade (188 of 366 records since 2015).
of all-time daily cold records were set in the last decade (129 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 | 1 | 4 | ||
| 2000s | 125 | 172 | ||
| 2010s | 139 | 136 | ||
| 2020s | 101 | 54 |
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 1999, the latest in 2026. Period of observation: 1999-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 71.1°F — Jan 6, 2007 | -13.9°F — Jan 7, 2018 | 3.26 in — Jan 24, 2019 |
| February | 70.0°F — Feb 21, 2018 | -9.8°F — Feb 24, 2015 | 3.47 in — Feb 13, 2008 |
| March | 79.0°F — Mar 22, 2012 | -0.9°F — Mar 7, 2003 | 2.96 in — Mar 23, 2024 |
| April | 95.0°F — Apr 17, 2002 | 21.2°F — Apr 2, 2019 | 3.14 in — Apr 13, 2020 |
| May | 96.1°F — May 26, 2010 | 28.0°F — May 7, 2001 | 3.23 in — May 12, 2006 |
| June | 100.9°F — Jun 24, 2025 | 36.0°F — Jun 1, 2001 | 2.97 in — Jun 7, 2013 |
| July | 102.0°F — Jul 6, 2010 | 37.0°F — Jul 17, 2025 | 3.33 in — Jul 9, 2021 |
| August | 129.9°F — Aug 22, 2000 | 46.0°F — Aug 28, 2025 | 3.16 in — Aug 18, 2024 |
| September | 97.0°F — Sep 8, 2015 | 33.1°F — Sep 22, 2020 | 4.53 in — Sep 16, 1999 |
| October | 87.1°F — Oct 2, 2019 | 21.2°F — Oct 19, 2015 | 4.28 in — Oct 8, 2005 |
| November | 82.0°F — Nov 1, 2024 | 9.0°F — Nov 28, 2002 | 2.62 in — Nov 27, 2013 |
| December | 72.0°F — Dec 6, 2001 | -2.7°F — Dec 23, 2008 | 2.88 in — Dec 12, 2010 |
Click a month to see every daily record for that month in Meriden.