Weather history and climate summary information is available for the following locations:
- Dover
Warmest June Days
The warmest June days in Delaware are:
| Dover, Delaware | 1965 | 100.2°F |
| Dover, Delaware | 1988 | 100°F |
| Dover, Delaware | 1952 | 99.3°F |
| Dover, Delaware | 2011 | 98.6°F |
| Dover, Delaware | 2012 | 98.4°F |
Coldest June Days
The coldest June days in Delaware were:
| Dover, Delaware | 1967 | 43°F |
| Dover, Delaware | 1997 | 44.6°F |
| Dover, Delaware | 1972 | 45°F |
| Dover, Delaware | 1966 | 45.3°F |
| Dover, Delaware | 1945 | 45.3°F |
Wettest June Days
The wettest single days in June occurred:
| Dover, Delaware | 1989 | 4.1 inches |
| Dover, Delaware | 1983 | 3.5 inches |
| Dover, Delaware | 2006 | 3.1 inches |
| Dover, Delaware | 1972 | 2.7 inches |
| Dover, Delaware | 1977 | 2.4 inches |