Nashport, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.4 °F (low) to 62.2 °F (high). Annual precipitation averages 42.1 Inches. Nashport 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.0 °F | 36.5 °F | 3.23 in. |
| February | 21.7 °F | 39.9 °F | 2.56 in. |
| March | 29.3 °F | 50.0 °F | 3.51 in. |
| April | 39.6 °F | 63.5 °F | 3.91 in. |
| May | 50.2 °F | 73.2 °F | 4.07 in. |
| June | 58.9 °F | 81.1 °F | 4.68 in. |
| July | 62.7 °F | 84.5 °F | 4.18 in. |
| August | 61.0 °F | 83.3 °F | 3.69 in. |
| September | 53.3 °F | 76.8 °F | 3.35 in. |
| October | 41.8 °F | 64.4 °F | 2.86 in. |
| November | 32.3 °F | 52.0 °F | 2.98 in. |
| December | 25.4 °F | 41.0 °F | 3.1 in. |
| Annual | 41.4 °F | 62.2 °F | 42.12 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 |