Weather history and climate summary information is available for the following locations:
- Altus
- Fort Sill
- Oklahoma City
- Tulsa
Warmest April Days
The warmest April days in Oklahoma are:
| Altus, Oklahoma | 2012 | 103.5°F |
| Altus, Oklahoma | 2011 | 102.4°F |
| Tulsa, Oklahoma | 1972 | 102°F |
| Altus, Oklahoma | 1989 | 100.9°F |
| Altus, Oklahoma | 2006 | 100.4°F |
Coldest April Days
The coldest April days in Oklahoma were:
| Oklahoma City, Oklahoma | 1957 | 20.3°F |
| Oklahoma City, Oklahoma | 1975 | 21°F |
| Tulsa, Oklahoma | 1957 | 21.9°F |
| Oklahoma City, Oklahoma | 2009 | 21.9°F |
| Tulsa, Oklahoma | 1975 | 23°F |
Wettest April Days
The wettest single days in April occurred:
| Tulsa, Oklahoma | 1973 | 4.7 inches |
| Altus, Oklahoma | 2009 | 4.7 inches |
| Fort Sill, Oklahoma | 1992 | 4.1 inches |
| Oklahoma City, Oklahoma | 1953 | 3.4 inches |
| Tulsa, Oklahoma | 2008 | 3.4 inches |