Sherman, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.1 °F (low) to 73.2 °F (high). Annual precipitation averages 58.2 Inches. Sherman 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 | 31.6 °F | 51.6 °F | 5.0 in. |
| February | 34.6 °F | 56.2 °F | 5.07 in. |
| March | 41.8 °F | 65.2 °F | 5.32 in. |
| April | 50.1 °F | 74.1 °F | 5.65 in. |
| May | 59.5 °F | 81.7 °F | 5.48 in. |
| June | 67.3 °F | 88.4 °F | 4.95 in. |
| July | 70.7 °F | 91.3 °F | 4.41 in. |
| August | 69.4 °F | 91.2 °F | 4.01 in. |
| September | 62.5 °F | 86.0 °F | 3.89 in. |
| October | 50.5 °F | 75.6 °F | 3.89 in. |
| November | 40.2 °F | 63.3 °F | 4.34 in. |
| December | 34.8 °F | 54.3 °F | 6.17 in. |
| Annual | 51.1 °F | 73.2 °F | 58.18 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |