Cave Spring, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.6 °C (low) to 22.6 °C (high). Annual precipitation averages 1328.2 Millimeters. Cave Spring is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.6 °C | 11.2 °C | 123.19 mm |
| February | 0.9 °C | 13.5 °C | 125.73 mm |
| March | 4.5 °C | 18.3 °C | 134.62 mm |
| April | 8.6 °C | 23.2 °C | 111.25 mm |
| May | 13.7 °C | 27.1 °C | 102.62 mm |
| June | 18.3 °C | 30.6 °C | 106.17 mm |
| July | 20.3 °C | 32.4 °C | 112.01 mm |
| August | 19.8 °C | 31.9 °C | 98.55 mm |
| September | 16.3 °C | 29.3 °C | 93.73 mm |
| October | 9.6 °C | 23.7 °C | 85.85 mm |
| November | 3.3 °C | 17.3 °C | 108.97 mm |
| December | 0.8 °C | 12.6 °C | 125.48 mm |
| Annual | 9.6 °C | 22.6 °C | 1328.17 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |