Fenton, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 58.5 °F (low) to 77.9 °F (high). Annual precipitation averages 62.6 Inches. Fenton 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 Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 41.5 °F | 61.0 °F | 6.4 in. |
| February | 45.1 °F | 64.9 °F | 4.54 in. |
| March | 51.2 °F | 71.5 °F | 3.98 in. |
| April | 58.1 °F | 77.7 °F | 4.86 in. |
| May | 66.3 °F | 84.4 °F | 5.43 in. |
| June | 72.3 °F | 89.6 °F | 6.46 in. |
| July | 74.2 °F | 91.3 °F | 5.41 in. |
| August | 73.7 °F | 92.0 °F | 5.27 in. |
| September | 69.0 °F | 88.4 °F | 5.36 in. |
| October | 58.6 °F | 80.7 °F | 4.8 in. |
| November | 49.0 °F | 70.6 °F | 4.85 in. |
| December | 43.5 °F | 63.2 °F | 5.2 in. |
| Annual | 58.5 °F | 77.9 °F | 62.56 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |