Dublin, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.4 °C (low) to 25.1 °C (high). Annual precipitation averages 1236.2 Millimeters. Dublin is located in USDA Plant Hardiness Zone 8b. 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 | 1.4 °C | 15.2 °C | 118.87 mm |
| February | 3.2 °C | 17.2 °C | 113.28 mm |
| March | 6.2 °C | 21.2 °C | 114.05 mm |
| April | 10.3 °C | 25.3 °C | 88.39 mm |
| May | 15.2 °C | 29.4 °C | 66.8 mm |
| June | 19.7 °C | 32.2 °C | 120.65 mm |
| July | 21.6 °C | 33.9 °C | 125.73 mm |
| August | 21.3 °C | 33.1 °C | 131.06 mm |
| September | 17.9 °C | 30.6 °C | 99.57 mm |
| October | 11.4 °C | 25.9 °C | 66.55 mm |
| November | 5.3 °C | 20.5 °C | 78.23 mm |
| December | 2.8 °C | 16.3 °C | 113.03 mm |
| Annual | 11.4 °C | 25.1 °C | 1236.21 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 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |