Dublin, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.5 °C (low) to 22.6 °C (high). Annual precipitation averages 1435.6 Millimeters. Dublin is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.7 °C | 10.3 °C | 130.05 mm |
| February | 2.3 °C | 12.8 °C | 140.21 mm |
| March | 6.4 °C | 17.7 °C | 133.6 mm |
| April | 11.3 °C | 22.9 °C | 152.65 mm |
| May | 16.7 °C | 27.5 °C | 133.86 mm |
| June | 20.8 °C | 31.3 °C | 117.86 mm |
| July | 22.3 °C | 32.6 °C | 105.66 mm |
| August | 21.4 °C | 32.7 °C | 80.01 mm |
| September | 17.7 °C | 30.1 °C | 83.06 mm |
| October | 11.2 °C | 24.3 °C | 96.77 mm |
| November | 5.4 °C | 17.2 °C | 110.49 mm |
| December | 2.2 °C | 11.9 °C | 151.38 mm |
| Annual | 11.5 °C | 22.6 °C | 1435.6 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 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 |