Weaver, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.7 °C (low) to 22.6 °C (high). Annual precipitation averages 1387.9 Millimeters. Weaver is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.4 °C | 11.8 °C | 131.06 mm |
| February | 1.1 °C | 14.1 °C | 138.43 mm |
| March | 4.7 °C | 18.7 °C | 138.43 mm |
| April | 8.6 °C | 23.1 °C | 121.67 mm |
| May | 13.8 °C | 26.8 °C | 108.46 mm |
| June | 18.2 °C | 30.2 °C | 117.09 mm |
| July | 20.2 °C | 31.8 °C | 115.57 mm |
| August | 19.7 °C | 31.4 °C | 103.12 mm |
| September | 16.4 °C | 28.9 °C | 89.66 mm |
| October | 9.7 °C | 23.6 °C | 87.63 mm |
| November | 3.6 °C | 17.7 °C | 109.98 mm |
| December | 0.9 °C | 13.2 °C | 126.75 mm |
| Annual | 9.7 °C | 22.6 °C | 1387.85 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |