Joyce, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.8 °F (low) to 77.4 °F (high). Annual precipitation averages 59.2 Inches. Joyce 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 | 36.2 °F | 58.7 °F | 5.76 in. |
| February | 39.2 °F | 62.8 °F | 4.98 in. |
| March | 45.7 °F | 70.8 °F | 5.4 in. |
| April | 53.1 °F | 77.9 °F | 5.92 in. |
| May | 61.8 °F | 84.4 °F | 4.87 in. |
| June | 68.9 °F | 90.5 °F | 4.84 in. |
| July | 71.5 °F | 92.9 °F | 4.51 in. |
| August | 70.6 °F | 93.3 °F | 3.77 in. |
| September | 64.5 °F | 88.9 °F | 3.5 in. |
| October | 53.3 °F | 80.0 °F | 4.55 in. |
| November | 43.3 °F | 68.5 °F | 5.05 in. |
| December | 37.8 °F | 60.4 °F | 6.07 in. |
| Annual | 53.8 °F | 77.4 °F | 59.22 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 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |