Mayflower, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.7 °F (low) to 72.9 °F (high). Annual precipitation averages 50.8 Inches. Mayflower 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 | 29.1 °F | 50.5 °F | 3.57 in. |
| February | 32.2 °F | 55.4 °F | 3.87 in. |
| March | 40.1 °F | 64.2 °F | 4.94 in. |
| April | 48.7 °F | 73.3 °F | 5.27 in. |
| May | 58.8 °F | 80.6 °F | 5.35 in. |
| June | 67.3 °F | 88.8 °F | 3.56 in. |
| July | 70.7 °F | 92.8 °F | 3.69 in. |
| August | 69.2 °F | 92.2 °F | 3.33 in. |
| September | 61.2 °F | 85.9 °F | 3.33 in. |
| October | 49.0 °F | 75.3 °F | 4.09 in. |
| November | 38.6 °F | 62.5 °F | 4.84 in. |
| December | 31.7 °F | 53.1 °F | 4.95 in. |
| Annual | 49.7 °F | 72.9 °F | 50.79 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| 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 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |