Weather history and climate summary information is available for the following locations:
- Groton CT
- Hartford
- Stratford
- Windsor Locks
Warmest August Days
The warmest August days in Connecticut are:
| Windsor Locks, Connecticut | 2001 | 102°F |
| Windsor Locks, Connecticut | 1975 | 100.9°F |
| Windsor Locks, Connecticut | 1944 | 100.2°F |
| Stratford, Connecticut | 2001 | 100°F |
| Windsor Locks, Connecticut | 2006 | 100°F |
Coldest August Days
The coldest August days in Connecticut were:
| Windsor Locks, Connecticut | 1977 | 39.9°F |
| Windsor Locks, Connecticut | 1982 | 39.9°F |
| Windsor Locks, Connecticut | 1986 | 39.9°F |
| Windsor Locks, Connecticut | 1976 | 42.1°F |
| Windsor Locks, Connecticut | 1988 | 42.1°F |
Wettest August Days
The wettest single days in August occurred:
| Windsor Locks, Connecticut | 1975 | 10 inches |
| Stratford, Connecticut | 2006 | 5.6 inches |
| Stratford, Connecticut | 1991 | 4.7 inches |
| Stratford, Connecticut | 2000 | 4.3 inches |
| Windsor Locks, Connecticut | 2011 | 4.2 inches |