Tremont, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.2 °C (low) to 22.9 °C (high). Annual precipitation averages 1523.3 Millimeters. Tremont is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.6 °C | 10.9 °C | 135.38 mm |
| February | 1.1 °C | 13.7 °C | 137.16 mm |
| March | 5.1 °C | 18.6 °C | 136.91 mm |
| April | 9.6 °C | 23.4 °C | 143.26 mm |
| May | 14.7 °C | 27.5 °C | 146.3 mm |
| June | 19.2 °C | 31.1 °C | 120.9 mm |
| July | 21.1 °C | 32.7 °C | 121.67 mm |
| August | 20.5 °C | 32.8 °C | 108.97 mm |
| September | 16.6 °C | 29.8 °C | 101.35 mm |
| October | 9.8 °C | 24.1 °C | 97.54 mm |
| November | 3.9 °C | 17.5 °C | 115.06 mm |
| December | 1.1 °C | 12.5 °C | 158.75 mm |
| Annual | 10.2 °C | 22.9 °C | 1523.25 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |