Weather history and climate summary information is available for the following locations:
- Altus
- Fort Sill
- Oklahoma City
- Tulsa
Warmest August Days
The warmest August days in Oklahoma are:
| Altus, Oklahoma | 1943 | 113.4°F |
| Tulsa, Oklahoma | 2011 | 113°F |
| Oklahoma City, Oklahoma | 2012 | 113°F |
| Altus, Oklahoma | 2012 | 112.3°F |
| Tulsa, Oklahoma | 2012 | 111.9°F |
Coldest August Days
The coldest August days in Oklahoma were:
| Tulsa, Oklahoma | 2009 | 50°F |
| Oklahoma City, Oklahoma | 1956 | 51.4°F |
| Tulsa, Oklahoma | 1967 | 52°F |
| Tulsa, Oklahoma | 1988 | 52°F |
| Oklahoma City, Oklahoma | 1994 | 53.1°F |
Wettest August Days
The wettest single days in August occurred:
| Tulsa, Oklahoma | 1989 | 5.4 inches |
| Fort Sill, Oklahoma | 2007 | 5.2 inches |
| Altus, Oklahoma | 1995 | 5.2 inches |
| Fort Sill, Oklahoma | 2008 | 4.9 inches |
| Altus, Oklahoma | 1990 | 4.8 inches |