Sunnyside, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13 °C (low) to 26.1 °C (high). Annual precipitation averages 1256.3 Millimeters. Sunnyside 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. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.7 °C | 17.2 °C | 103.63 mm |
| February | 5.2 °C | 19.2 °C | 93.22 mm |
| March | 8.2 °C | 22.8 °C | 103.38 mm |
| April | 12.1 °C | 26.4 °C | 80.52 mm |
| May | 16.4 °C | 30.2 °C | 73.15 mm |
| June | 20.6 °C | 32.6 °C | 165.35 mm |
| July | 22.1 °C | 33.7 °C | 151.64 mm |
| August | 21.9 °C | 33.1 °C | 161.8 mm |
| September | 19.6 °C | 30.8 °C | 108.97 mm |
| October | 13.8 °C | 26.7 °C | 85.34 mm |
| November | 7.8 °C | 22.2 °C | 54.36 mm |
| December | 5 °C | 18.6 °C | 74.93 mm |
| Annual | 13 °C | 26.1 °C | 1256.29 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 10-20 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |