Caulksville, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.9 °F (low) to 73.1 °F (high). Annual precipitation averages 48.3 Inches. Caulksville 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 | 29.2 °F | 50.7 °F | 3.34 in. |
| February | 32.6 °F | 55.5 °F | 2.92 in. |
| March | 40.2 °F | 64.1 °F | 4.12 in. |
| April | 48.6 °F | 73.6 °F | 4.59 in. |
| May | 58.6 °F | 80.6 °F | 5.76 in. |
| June | 67.0 °F | 88.8 °F | 3.81 in. |
| July | 70.5 °F | 93.4 °F | 3.91 in. |
| August | 69.4 °F | 93.1 °F | 3.44 in. |
| September | 61.8 °F | 86.2 °F | 3.82 in. |
| October | 49.9 °F | 75.4 °F | 3.94 in. |
| November | 39.4 °F | 63.0 °F | 4.84 in. |
| December | 31.9 °F | 52.8 °F | 3.76 in. |
| Annual | 49.9 °F | 73.1 °F | 48.25 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 7b : 5°F to 10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |