Weather history and climate summary information is available for the following locations:
- Altus
- Fort Sill
- Oklahoma City
- Tulsa
Warmest January Days
The warmest January days in Oklahoma are:
| Altus, Oklahoma | 1997 | 84.2°F |
| Altus, Oklahoma | 1989 | 84°F |
| Altus, Oklahoma | 1967 | 84°F |
| Fort Sill, Oklahoma | 1950 | 82.9°F |
| Fort Sill, Oklahoma | 1997 | 80.6°F |
Coldest January Days
The coldest January days in Oklahoma were:
| Oklahoma City, Oklahoma | 1947 | -9.9°F |
| Tulsa, Oklahoma | 1947 | -7.6°F |
| Tulsa, Oklahoma | 1977 | -6.2°F |
| Oklahoma City, Oklahoma | 1947 | -6°F |
| Tulsa, Oklahoma | 1949 | -6°F |
Wettest January Days
The wettest single days in January occurred:
| Altus, Oklahoma | 2012 | 3.9 inches |
| Oklahoma City, Oklahoma | 1982 | 3 inches |
| Tulsa, Oklahoma | 1973 | 3 inches |
| Tulsa, Oklahoma | 1981 | 2.7 inches |
| Oklahoma City, Oklahoma | 1982 | 2.4 inches |