Weather history and climate summary information is available for the following locations:
- Groton CT
- Hartford
- Stratford
- Windsor Locks
Warmest July Days
The warmest July days in Connecticut are:
| Hartford, Connecticut | 2011 | 102.9°F |
| Stratford, Connecticut | 2011 | 102.9°F |
| Windsor Locks, Connecticut | 2011 | 102.9°F |
| Windsor Locks, Connecticut | 2010 | 102°F |
| Hartford, Connecticut | 1991 | 100.9°F |
Coldest July Days
The coldest July days in Connecticut were:
| Windsor Locks, Connecticut | 2001 | 45°F |
| Windsor Locks, Connecticut | 1979 | 45.9°F |
| Windsor Locks, Connecticut | 1988 | 46°F |
| Windsor Locks, Connecticut | 1978 | 47.8°F |
| Windsor Locks, Connecticut | 2002 | 48°F |
Wettest July Days
The wettest single days in July occurred:
| Groton CT, Connecticut | 2009 | 4.7 inches |
| Stratford, Connecticut | 1988 | 3.4 inches |
| Windsor Locks, Connecticut | 2005 | 3.3 inches |
| Windsor Locks, Connecticut | 1988 | 2.9 inches |
| Stratford, Connecticut | 1986 | 2.5 inches |