Weather history and climate summary information is available for the following locations:
- Blytheville
- Fort Smith
- Little Rock
- Texarkana
Warmest January Days
The warmest January days in Arkansas are:
| Texarkana, Arkansas | 1950 | 82°F |
| Texarkana, Arkansas | 1957 | 81°F |
| Texarkana, Arkansas | 1997 | 80.6°F |
| Fort Smith, Arkansas | 1950 | 80.1°F |
| Texarkana, Arkansas | 1975 | 80.1°F |
Coldest January Days
The coldest January days in Arkansas were:
| Fort Smith, Arkansas | 1977 | -10.1°F |
| Blytheville, Arkansas | 1977 | -6.9°F |
| Blytheville, Arkansas | 1985 | -4.9°F |
| Blytheville, Arkansas | 1963 | -4.9°F |
| Fort Smith, Arkansas | 1962 | -2.9°F |
Wettest January Days
The wettest single days in January occurred:
| Little Rock, Arkansas | 2007 | 4.2 inches |
| Fort Smith, Arkansas | 1973 | 3.9 inches |
| Fort Smith, Arkansas | 2009 | 3.4 inches |
| Texarkana, Arkansas | 2007 | 3.4 inches |
| Little Rock, Arkansas | 1995 | 3.1 inches |