Fisher, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.9 °C (low) to 25.2 °C (high). Annual precipitation averages 1422.2 Millimeters. Fisher is located in USDA Plant Hardiness Zone 9a. 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 | 3.1 °C | 14.8 °C | 144.02 mm |
| February | 4.9 °C | 17.3 °C | 117.86 mm |
| March | 8.5 °C | 21.4 °C | 130.56 mm |
| April | 12.6 °C | 25.1 °C | 123.7 mm |
| May | 17.2 °C | 29.1 °C | 116.33 mm |
| June | 21 °C | 32.3 °C | 117.86 mm |
| July | 22.3 °C | 33.9 °C | 99.06 mm |
| August | 22 °C | 34.2 °C | 100.58 mm |
| September | 18.9 °C | 31.3 °C | 91.95 mm |
| October | 12.8 °C | 26.3 °C | 113.28 mm |
| November | 7.3 °C | 20.3 °C | 124.71 mm |
| December | 4.1 °C | 15.9 °C | 142.24 mm |
| Annual | 12.9 °C | 25.2 °C | 1422.15 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°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 |