Weather history and climate summary information is available for the following locations:
- Blytheville
- Fort Smith
- Little Rock
- Texarkana
Warmest May Days
The warmest May days in Arkansas are:
| Fort Smith, Arkansas | 1975 | 105.1°F |
| Texarkana, Arkansas | 1989 | 100°F |
| Texarkana, Arkansas | 2003 | 98.1°F |
| Fort Smith, Arkansas | 2003 | 97°F |
| Texarkana, Arkansas | 1998 | 97°F |
Coldest May Days
The coldest May days in Arkansas were:
| Fort Smith, Arkansas | 1954 | 35.1°F |
| Fort Smith, Arkansas | 2011 | 37°F |
| Fort Smith, Arkansas | 1989 | 37°F |
| Fort Smith, Arkansas | 1960 | 37°F |
| Fort Smith, Arkansas | 2005 | 37°F |
Wettest May Days
The wettest single days in May occurred:
| Texarkana, Arkansas | 1998 | 6.6 inches |
| Fort Smith, Arkansas | 1982 | 5.2 inches |
| Fort Smith, Arkansas | 2011 | 4.7 inches |
| Fort Smith, Arkansas | 1990 | 4.3 inches |
| Fort Smith, Arkansas | 1994 | 3.9 inches |