Pulaski, Ohio has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 39.8 °F (low) to 60 °F (high). Annual precipitation averages 36.6 Inches. Pulaski is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.0 °F | 32.5 °F | 2.39 in. |
| February | 18.7 °F | 35.8 °F | 2.1 in. |
| March | 27.0 °F | 46.3 °F | 2.41 in. |
| April | 37.1 °F | 59.9 °F | 3.5 in. |
| May | 48.8 °F | 71.4 °F | 4.09 in. |
| June | 58.9 °F | 81.0 °F | 3.77 in. |
| July | 62.1 °F | 84.7 °F | 3.56 in. |
| August | 60.0 °F | 82.5 °F | 3.59 in. |
| September | 52.3 °F | 76.5 °F | 3.1 in. |
| October | 41.2 °F | 63.5 °F | 2.75 in. |
| November | 31.3 °F | 49.1 °F | 2.92 in. |
| December | 22.9 °F | 37.3 °F | 2.39 in. |
| Annual | 39.8 °F | 60 °F | 36.57 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |