Morven, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 56.1 °F (low) to 78.7 °F (high). Annual precipitation averages 51.9 Inches. Morven is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.4 °F | 62.5 °F | 4.84 in. |
| February | 42.6 °F | 66.3 °F | 4.09 in. |
| March | 47.9 °F | 72.9 °F | 5.04 in. |
| April | 54.4 °F | 79.3 °F | 3.48 in. |
| May | 62.3 °F | 86.0 °F | 2.86 in. |
| June | 69.4 °F | 90.2 °F | 6.03 in. |
| July | 71.6 °F | 91.8 °F | 5.65 in. |
| August | 71.5 °F | 91.2 °F | 5.76 in. |
| September | 67.5 °F | 87.7 °F | 4.47 in. |
| October | 57.4 °F | 80.5 °F | 3.25 in. |
| November | 47.0 °F | 71.4 °F | 2.7 in. |
| December | 42.0 °F | 64.9 °F | 3.72 in. |
| Annual | 56.1 °F | 78.7 °F | 51.89 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |