Sallis, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52 °F (low) to 74.6 °F (high). Annual precipitation averages 57 Inches. Sallis 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 | 33.8 °F | 54.8 °F | 5.18 in. |
| February | 36.6 °F | 59.4 °F | 5.25 in. |
| March | 43.6 °F | 67.5 °F | 5.75 in. |
| April | 51.1 °F | 75.0 °F | 6.01 in. |
| May | 59.9 °F | 82.1 °F | 4.38 in. |
| June | 67.4 °F | 88.3 °F | 3.53 in. |
| July | 70.4 °F | 90.8 °F | 5.08 in. |
| August | 69.5 °F | 90.8 °F | 4.1 in. |
| September | 63.2 °F | 86.4 °F | 3.79 in. |
| October | 51.4 °F | 76.7 °F | 3.83 in. |
| November | 41.3 °F | 65.6 °F | 4.6 in. |
| December | 36.0 °F | 57.3 °F | 5.48 in. |
| Annual | 52 °F | 74.6 °F | 56.98 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 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 |