Warren, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.1 °F (low) to 74 °F (high). Annual precipitation averages 57.1 Inches. Warren is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 32.7 °F | 53.2 °F | 4.8 in. |
| February | 35.8 °F | 57.8 °F | 4.64 in. |
| March | 43.2 °F | 66.2 °F | 5.63 in. |
| April | 51.4 °F | 74.4 °F | 6.33 in. |
| May | 60.7 °F | 81.7 °F | 5.16 in. |
| June | 68.2 °F | 88.7 °F | 4.02 in. |
| July | 71.3 °F | 91.7 °F | 3.62 in. |
| August | 70.0 °F | 91.7 °F | 4.04 in. |
| September | 63.4 °F | 86.5 °F | 3.67 in. |
| October | 51.4 °F | 76.3 °F | 4.66 in. |
| November | 41.5 °F | 64.5 °F | 4.37 in. |
| December | 35.3 °F | 55.7 °F | 6.16 in. |
| Annual | 52.1 °F | 74 °F | 57.1 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |