Redwood, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.5 °C (low) to 24.3 °C (high). Annual precipitation averages 1487.2 Millimeters. Redwood 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 | 2.6 °C | 13.3 °C | 142.24 mm |
| February | 4.1 °C | 15.9 °C | 135.89 mm |
| March | 8 °C | 20.4 °C | 140.97 mm |
| April | 12.3 °C | 24.6 °C | 167.39 mm |
| May | 17.2 °C | 28.6 °C | 120.14 mm |
| June | 20.9 °C | 31.8 °C | 111.25 mm |
| July | 22.3 °C | 33 °C | 109.73 mm |
| August | 21.8 °C | 33.1 °C | 101.85 mm |
| September | 18.5 °C | 30.8 °C | 95.25 mm |
| October | 12.3 °C | 25.7 °C | 100.08 mm |
| November | 6.6 °C | 19.3 °C | 121.41 mm |
| December | 3.6 °C | 14.8 °C | 140.97 mm |
| Annual | 12.5 °C | 24.3 °C | 1487.17 mm |
| 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 : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |