Metter, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.7 °C (low) to 25.2 °C (high). Annual precipitation averages 1237 Millimeters. Metter 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 | 2.8 °C | 15.5 °C | 104.9 mm |
| February | 4.4 °C | 17.6 °C | 98.3 mm |
| March | 7.7 °C | 21.4 °C | 101.09 mm |
| April | 11.6 °C | 25.6 °C | 88.39 mm |
| May | 16.6 °C | 29.6 °C | 85.85 mm |
| June | 20.7 °C | 32.3 °C | 128.52 mm |
| July | 22.2 °C | 33.7 °C | 135.13 mm |
| August | 22.1 °C | 32.9 °C | 149.61 mm |
| September | 19.2 °C | 30.4 °C | 98.55 mm |
| October | 13.2 °C | 25.8 °C | 71.63 mm |
| November | 7 °C | 20.8 °C | 71.88 mm |
| December | 4.3 °C | 16.8 °C | 103.12 mm |
| Annual | 12.7 °C | 25.2 °C | 1236.97 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |