Rentz, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.9 °F (low) to 76.9 °F (high). Annual precipitation averages 47.8 Inches. Rentz 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 | 35.4 °F | 59.2 °F | 4.5 in. |
| February | 38.1 °F | 62.9 °F | 4.25 in. |
| March | 43.9 °F | 69.9 °F | 4.45 in. |
| April | 51.0 °F | 77.3 °F | 3.47 in. |
| May | 59.9 °F | 84.7 °F | 2.79 in. |
| June | 67.7 °F | 89.8 °F | 4.75 in. |
| July | 70.9 °F | 92.6 °F | 4.76 in. |
| August | 70.3 °F | 91.3 °F | 4.98 in. |
| September | 64.6 °F | 86.8 °F | 3.85 in. |
| October | 53.2 °F | 78.3 °F | 2.71 in. |
| November | 42.6 °F | 68.8 °F | 2.97 in. |
| December | 37.6 °F | 61.4 °F | 4.29 in. |
| Annual | 52.9 °F | 76.9 °F | 47.77 in. |
| 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 : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |