Darrow, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.6 °C (low) to 25.8 °C (high). Annual precipitation averages 1635 Millimeters. Darrow is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.4 °C | 16.8 °C | 147.83 mm |
| February | 7.4 °C | 18.9 °C | 111.76 mm |
| March | 10.7 °C | 22.5 °C | 108.46 mm |
| April | 13.9 °C | 25.7 °C | 129.29 mm |
| May | 18.5 °C | 29.3 °C | 151.38 mm |
| June | 21.9 °C | 31.9 °C | 178.82 mm |
| July | 23.1 °C | 32.7 °C | 158.75 mm |
| August | 22.9 °C | 33 °C | 174.24 mm |
| September | 20.7 °C | 31.2 °C | 131.32 mm |
| October | 14.8 °C | 27.1 °C | 113.54 mm |
| November | 9.2 °C | 21.8 °C | 104.65 mm |
| December | 6.4 °C | 18.1 °C | 124.97 mm |
| Annual | 14.6 °C | 25.8 °C | 1635.01 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |