Soso, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.3 °F (low) to 76.3 °F (high). Annual precipitation averages 59.9 Inches. Soso 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 | 35.7 °F | 58.4 °F | 5.88 in. |
| February | 38.9 °F | 62.6 °F | 5.38 in. |
| March | 45.2 °F | 69.9 °F | 6.04 in. |
| April | 52.0 °F | 76.5 °F | 5.14 in. |
| May | 60.6 °F | 83.5 °F | 4.24 in. |
| June | 68.1 °F | 89.2 °F | 5.15 in. |
| July | 70.6 °F | 91.3 °F | 5.54 in. |
| August | 69.9 °F | 91.0 °F | 5.09 in. |
| September | 64.9 °F | 87.2 °F | 3.99 in. |
| October | 53.0 °F | 78.3 °F | 3.2 in. |
| November | 42.7 °F | 67.7 °F | 4.53 in. |
| December | 37.9 °F | 60.0 °F | 5.76 in. |
| Annual | 53.3 °F | 76.3 °F | 59.94 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 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |