Beaumont, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.9 °F (low) to 78.8 °F (high). Annual precipitation averages 62.9 Inches. Beaumont 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 | 60.9 °F | 6.24 in. |
| February | 38.8 °F | 65.0 °F | 5.26 in. |
| March | 44.9 °F | 72.0 °F | 5.8 in. |
| April | 51.5 °F | 79.2 °F | 5.01 in. |
| May | 60.0 °F | 86.3 °F | 4.59 in. |
| June | 67.5 °F | 91.4 °F | 6.09 in. |
| July | 70.2 °F | 93.1 °F | 6.24 in. |
| August | 69.9 °F | 93.1 °F | 5.38 in. |
| September | 64.6 °F | 89.8 °F | 4.59 in. |
| October | 52.4 °F | 81.3 °F | 3.47 in. |
| November | 41.8 °F | 70.2 °F | 4.33 in. |
| December | 37.4 °F | 62.8 °F | 5.92 in. |
| Annual | 52.9 °F | 78.8 °F | 62.92 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 |