Dublin, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.4 °C (low) to 24.3 °C (high). Annual precipitation averages 947.2 Millimeters. Dublin is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.5 °C | 13.6 °C | 49.28 mm |
| February | 2.5 °C | 15.8 °C | 64.52 mm |
| March | 6.4 °C | 19.8 °C | 80.52 mm |
| April | 10.7 °C | 24.1 °C | 76.45 mm |
| May | 15.9 °C | 28.1 °C | 120.9 mm |
| June | 19.9 °C | 31.9 °C | 125.98 mm |
| July | 21.9 °C | 34.3 °C | 51.31 mm |
| August | 21.6 °C | 34.8 °C | 72.9 mm |
| September | 17.8 °C | 30.6 °C | 89.15 mm |
| October | 12 °C | 25.3 °C | 98.55 mm |
| November | 6.2 °C | 18.9 °C | 58.67 mm |
| December | 1.7 °C | 14.3 °C | 58.93 mm |
| Annual | 11.4 °C | 24.3 °C | 947.16 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |