Dublin, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.3 °F (low) to 62.6 °F (high). Annual precipitation averages 40.6 Inches. Dublin is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.2 °F | 36.2 °F | 2.97 in. |
| February | 23.0 °F | 39.5 °F | 2.38 in. |
| March | 31.2 °F | 50.3 °F | 3.35 in. |
| April | 41.5 °F | 63.6 °F | 3.87 in. |
| May | 52.5 °F | 73.9 °F | 4.18 in. |
| June | 61.5 °F | 82.1 °F | 4.46 in. |
| July | 64.8 °F | 84.9 °F | 4.03 in. |
| August | 62.9 °F | 83.9 °F | 3.32 in. |
| September | 55.7 °F | 78.2 °F | 3.21 in. |
| October | 44.2 °F | 65.7 °F | 2.82 in. |
| November | 34.1 °F | 52.1 °F | 2.97 in. |
| December | 26.8 °F | 40.9 °F | 3.07 in. |
| Annual | 43.3 °F | 62.6 °F | 40.63 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |