Weather history and climate summary information is available for the following locations:
- Washington
Warmest April Days
The warmest April days in District of Columbia are:
| Washington, District of Columbia | 1957 | 99.3°F |
| Washington, District of Columbia | 1937 | 95.4°F |
| Washington, District of Columbia | 2002 | 95°F |
| Washington, District of Columbia | 1976 | 95°F |
| Washington, District of Columbia | 1960 | 94.3°F |
Coldest April Days
The coldest April days in District of Columbia were:
| Washington, District of Columbia | 1982 | 23.9°F |
| Washington, District of Columbia | 1950 | 25.3°F |
| Washington, District of Columbia | 1985 | 28.9°F |
| Washington, District of Columbia | 1987 | 28.9°F |
| Washington, District of Columbia | 2007 | 28.9°F |
Wettest April Days
The wettest single days in April occurred:
| Washington, District of Columbia | 1976 | 2.2 inches |
| Washington, District of Columbia | 1997 | 1.7 inches |
| Washington, District of Columbia | 1983 | 1.6 inches |
| Washington, District of Columbia | 2008 | 1.5 inches |
| Washington, District of Columbia | 2005 | 1.5 inches |