Mansfield, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.7 °C (low) to 24.7 °C (high). Annual precipitation averages 1374.7 Millimeters. Mansfield is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.7 °C | 14.5 °C | 127.76 mm |
| February | 4.6 °C | 17 °C | 120.4 mm |
| March | 8.1 °C | 20.7 °C | 135.89 mm |
| April | 12.1 °C | 24.5 °C | 125.22 mm |
| May | 17 °C | 28.4 °C | 115.06 mm |
| June | 21.1 °C | 31.8 °C | 113.54 mm |
| July | 22.6 °C | 33.7 °C | 93.73 mm |
| August | 22.2 °C | 34.1 °C | 93.22 mm |
| September | 18.4 °C | 31.1 °C | 87.12 mm |
| October | 12.7 °C | 25.8 °C | 113.03 mm |
| November | 7.3 °C | 19.8 °C | 112.52 mm |
| December | 3.9 °C | 15.3 °C | 137.16 mm |
| Annual | 12.7 °C | 24.7 °C | 1374.65 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |