Richland, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.4 °F (low) to 76.4 °F (high). Annual precipitation averages 51.6 Inches. Richland is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 37.0 °F | 58.8 °F | 4.67 in. |
| February | 39.3 °F | 62.9 °F | 4.58 in. |
| March | 44.5 °F | 70.2 °F | 5.08 in. |
| April | 51.2 °F | 76.8 °F | 4.1 in. |
| May | 60.3 °F | 84.2 °F | 3.07 in. |
| June | 66.9 °F | 89.1 °F | 4.49 in. |
| July | 70.0 °F | 90.9 °F | 5.58 in. |
| August | 69.5 °F | 90.0 °F | 4.34 in. |
| September | 64.7 °F | 85.8 °F | 3.96 in. |
| October | 54.0 °F | 78.4 °F | 2.78 in. |
| November | 44.2 °F | 68.1 °F | 3.74 in. |
| December | 39.3 °F | 61.3 °F | 5.24 in. |
| Annual | 53.4 °F | 76.4 °F | 51.63 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |