Ashland, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.1 °C (low) to 24.8 °C (high). Annual precipitation averages 1456.5 Millimeters. Ashland 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 | 2.1 °C | 14.2 °C | 138.18 mm |
| February | 3.7 °C | 16.6 °C | 130.3 mm |
| March | 7.4 °C | 20.8 °C | 133.86 mm |
| April | 11.5 °C | 24.8 °C | 134.37 mm |
| May | 16.5 °C | 28.6 °C | 118.87 mm |
| June | 20.6 °C | 32.1 °C | 112.52 mm |
| July | 22.2 °C | 33.8 °C | 106.43 mm |
| August | 21.7 °C | 34.2 °C | 99.57 mm |
| September | 18.2 °C | 31.4 °C | 96.27 mm |
| October | 11.8 °C | 26 °C | 113.54 mm |
| November | 6.4 °C | 19.9 °C | 127 mm |
| December | 3.1 °C | 15.3 °C | 145.54 mm |
| Annual | 12.1 °C | 24.8 °C | 1456.45 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 |