Jersey, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.5 °C (low) to 22.7 °C (high). Annual precipitation averages 1287.5 Millimeters. Jersey 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.5 °C | 12.1 °C | 117.6 mm |
| February | 1.9 °C | 14.1 °C | 118.62 mm |
| March | 5.3 °C | 18.5 °C | 127.51 mm |
| April | 9.5 °C | 23.1 °C | 99.06 mm |
| May | 14.5 °C | 27.1 °C | 79.76 mm |
| June | 19 °C | 30.6 °C | 116.33 mm |
| July | 20.9 °C | 32.2 °C | 105.92 mm |
| August | 20.4 °C | 31.6 °C | 114.55 mm |
| September | 17.2 °C | 28.7 °C | 97.54 mm |
| October | 10.7 °C | 23.4 °C | 85.6 mm |
| November | 4.7 °C | 17.7 °C | 108.2 mm |
| December | 1.8 °C | 13.2 °C | 116.84 mm |
| Annual | 10.5 °C | 22.7 °C | 1287.53 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |