Shaw, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.1 °C (low) to 23.1 °C (high). Annual precipitation averages 1411.7 Millimeters. Shaw 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 | 1.3 °C | 10.9 °C | 131.83 mm |
| February | 2.9 °C | 13.4 °C | 130.56 mm |
| March | 7.1 °C | 18.2 °C | 135.13 mm |
| April | 11.9 °C | 23.3 °C | 152.91 mm |
| May | 17.3 °C | 27.9 °C | 130.81 mm |
| June | 21.3 °C | 31.6 °C | 99.57 mm |
| July | 22.7 °C | 32.8 °C | 99.31 mm |
| August | 21.8 °C | 33 °C | 82.04 mm |
| September | 18.1 °C | 30.6 °C | 88.39 mm |
| October | 11.8 °C | 24.8 °C | 100.08 mm |
| November | 6.1 °C | 17.8 °C | 116.84 mm |
| December | 2.7 °C | 12.4 °C | 144.27 mm |
| Annual | 12.1 °C | 23.1 °C | 1411.74 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 40-50 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |