Pleasant Plains, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.4 °F (low) to 70.2 °F (high). Annual precipitation averages 51.1 Inches. Pleasant Plains is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.7 °F | 47.5 °F | 3.59 in. |
| February | 31.5 °F | 52.6 °F | 3.78 in. |
| March | 39.3 °F | 61.2 °F | 4.88 in. |
| April | 48.0 °F | 70.4 °F | 5.31 in. |
| May | 58.1 °F | 78.1 °F | 5.38 in. |
| June | 66.3 °F | 86.5 °F | 3.61 in. |
| July | 70.3 °F | 90.1 °F | 3.87 in. |
| August | 68.3 °F | 89.9 °F | 3.57 in. |
| September | 60.9 °F | 83.0 °F | 3.49 in. |
| October | 49.6 °F | 72.4 °F | 4.02 in. |
| November | 39.6 °F | 60.3 °F | 4.85 in. |
| December | 31.9 °F | 50.5 °F | 4.74 in. |
| Annual | 49.4 °F | 70.2 °F | 51.09 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |