Moro, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.1 °F (low) to 71.6 °F (high). Annual precipitation averages 51.7 Inches. Moro 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.7 °F | 48.7 °F | 3.93 in. |
| February | 34.9 °F | 53.5 °F | 4.32 in. |
| March | 42.8 °F | 62.3 °F | 5.28 in. |
| April | 51.8 °F | 72.2 °F | 5.66 in. |
| May | 61.5 °F | 80.5 °F | 5.3 in. |
| June | 69.4 °F | 88.0 °F | 3.69 in. |
| July | 72.1 °F | 90.6 °F | 3.63 in. |
| August | 70.3 °F | 90.4 °F | 2.82 in. |
| September | 63.0 °F | 84.8 °F | 3.04 in. |
| October | 51.5 °F | 74.5 °F | 4.01 in. |
| November | 41.6 °F | 61.5 °F | 4.52 in. |
| December | 34.8 °F | 51.7 °F | 5.45 in. |
| Annual | 52.1 °F | 71.6 °F | 51.65 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |