Rochelle, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.7 °C (low) to 24.9 °C (high). Annual precipitation averages 1223 Millimeters. Rochelle is located in USDA Plant Hardiness Zone 9a. 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 | 3.3 °C | 15.2 °C | 118.36 mm |
| February | 4.7 °C | 17.2 °C | 104.14 mm |
| March | 7.8 °C | 21.1 °C | 121.67 mm |
| April | 11.9 °C | 25.2 °C | 93.73 mm |
| May | 16.8 °C | 29.3 °C | 75.18 mm |
| June | 20.8 °C | 31.9 °C | 122.43 mm |
| July | 22.2 °C | 33.2 °C | 114.55 mm |
| August | 21.8 °C | 32.6 °C | 116.08 mm |
| September | 18.9 °C | 30.3 °C | 100.08 mm |
| October | 12.9 °C | 25.9 °C | 73.41 mm |
| November | 7.2 °C | 20.6 °C | 77.47 mm |
| December | 4.3 °C | 16.5 °C | 105.92 mm |
| Annual | 12.7 °C | 24.9 °C | 1223.02 mm |
| 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 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |