Guntown, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.7 °F (low) to 73.1 °F (high). Annual precipitation averages 58.7 Inches. Guntown 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 | 31.2 °F | 51.3 °F | 4.99 in. |
| February | 34.2 °F | 55.9 °F | 5.27 in. |
| March | 41.4 °F | 64.9 °F | 5.43 in. |
| April | 49.8 °F | 74.1 °F | 5.6 in. |
| May | 59.2 °F | 81.7 °F | 5.33 in. |
| June | 67.0 °F | 88.4 °F | 5.13 in. |
| July | 70.4 °F | 91.3 °F | 4.42 in. |
| August | 69.1 °F | 91.3 °F | 3.97 in. |
| September | 62.2 °F | 86.0 °F | 4.12 in. |
| October | 50.1 °F | 75.4 °F | 4.07 in. |
| November | 39.8 °F | 63.1 °F | 4.17 in. |
| December | 34.4 °F | 54.0 °F | 6.15 in. |
| Annual | 50.7 °F | 73.1 °F | 58.65 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 |