Belcher, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 54.2 °F (low) to 75.9 °F (high). Annual precipitation averages 52.7 Inches. Belcher 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 | 35.2 °F | 56.2 °F | 4.65 in. |
| February | 38.5 °F | 60.3 °F | 4.57 in. |
| March | 45.6 °F | 68.2 °F | 5.08 in. |
| April | 53.1 °F | 76.0 °F | 4.98 in. |
| May | 62.5 °F | 83.0 °F | 4.36 in. |
| June | 70.1 °F | 89.9 °F | 4.57 in. |
| July | 73.1 °F | 93.3 °F | 3.52 in. |
| August | 72.2 °F | 93.8 °F | 3.08 in. |
| September | 65.6 °F | 88.3 °F | 3.8 in. |
| October | 53.7 °F | 77.4 °F | 4.69 in. |
| November | 43.8 °F | 66.3 °F | 4.22 in. |
| December | 37.0 °F | 57.9 °F | 5.22 in. |
| Annual | 54.2 °F | 75.9 °F | 52.74 in. |
| 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 : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |