Little Rock, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.6 °C (low) to 22.5 °C (high). Annual precipitation averages 1353.3 Millimeters. Little Rock is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.8 °C | 10.3 °C | 100.08 mm |
| February | 0.9 °C | 12.9 °C | 106.43 mm |
| March | 5.1 °C | 17.7 °C | 127.51 mm |
| April | 10.1 °C | 22.8 °C | 144.53 mm |
| May | 15.6 °C | 27 °C | 140.46 mm |
| June | 20.2 °C | 31.3 °C | 91.44 mm |
| July | 22.1 °C | 33.3 °C | 95 mm |
| August | 21.3 °C | 33.2 °C | 85.85 mm |
| September | 17.1 °C | 29.7 °C | 85.6 mm |
| October | 10.3 °C | 23.8 °C | 114.05 mm |
| November | 4.5 °C | 16.8 °C | 126.75 mm |
| December | 0.8 °C | 11.7 °C | 135.64 mm |
| Annual | 10.6 °C | 22.5 °C | 1353.34 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |