Martin, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.3 °C (low) to 24.9 °C (high). Annual precipitation averages 1465.3 Millimeters. Martin 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.3 °C | 14.3 °C | 137.92 mm |
| February | 3.9 °C | 16.8 °C | 138.68 mm |
| March | 7.8 °C | 20.8 °C | 134.11 mm |
| April | 11.8 °C | 24.8 °C | 137.16 mm |
| May | 16.7 °C | 28.7 °C | 114.05 mm |
| June | 20.8 °C | 32.2 °C | 111 mm |
| July | 22.2 °C | 33.9 °C | 114.05 mm |
| August | 21.8 °C | 34.4 °C | 101.6 mm |
| September | 18.2 °C | 31.6 °C | 98.81 mm |
| October | 12.1 °C | 26.1 °C | 108.71 mm |
| November | 6.7 °C | 20.1 °C | 129.79 mm |
| December | 3.3 °C | 15.4 °C | 139.45 mm |
| Annual | 12.3 °C | 24.9 °C | 1465.33 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |