Norwood, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.2 °F (low) to 77.7 °F (high). Annual precipitation averages 65 Inches. Norwood is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 38.5 °F | 60.5 °F | 6.86 in. |
| February | 41.3 °F | 64.6 °F | 5.6 in. |
| March | 47.7 °F | 71.5 °F | 5.64 in. |
| April | 54.4 °F | 78.0 °F | 5.21 in. |
| May | 62.4 °F | 84.4 °F | 5.31 in. |
| June | 69.0 °F | 89.7 °F | 5.46 in. |
| July | 71.2 °F | 91.3 °F | 5.92 in. |
| August | 70.8 °F | 91.9 °F | 6.17 in. |
| September | 66.1 °F | 88.1 °F | 4.35 in. |
| October | 55.1 °F | 79.9 °F | 4.63 in. |
| November | 45.6 °F | 69.8 °F | 4.49 in. |
| December | 40.1 °F | 62.3 °F | 5.34 in. |
| Annual | 55.2 °F | 77.7 °F | 64.98 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |