Calion, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.1 °F (low) to 75 °F (high). Annual precipitation averages 53.7 Inches. Calion is located in USDA Plant Hardiness Zone 8b. 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 | 32.1 °F | 54.6 °F | 4.58 in. |
| February | 35.1 °F | 58.8 °F | 4.56 in. |
| March | 42.6 °F | 67.1 °F | 5.54 in. |
| April | 50.4 °F | 75.4 °F | 5.64 in. |
| May | 59.9 °F | 82.3 °F | 4.83 in. |
| June | 67.3 °F | 89.6 °F | 4.09 in. |
| July | 70.7 °F | 92.7 °F | 3.66 in. |
| August | 69.3 °F | 92.8 °F | 3.59 in. |
| September | 62.2 °F | 87.2 °F | 3.49 in. |
| October | 49.7 °F | 76.9 °F | 4.4 in. |
| November | 39.7 °F | 65.4 °F | 3.86 in. |
| December | 34.1 °F | 56.9 °F | 5.43 in. |
| Annual | 51.1 °F | 75 °F | 53.67 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 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |