Fresno, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.8 °F (low) to 61.9 °F (high). Annual precipitation averages 40.6 Inches. Fresno is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.8 °F | 36.4 °F | 2.96 in. |
| February | 21.3 °F | 39.6 °F | 2.12 in. |
| March | 28.8 °F | 49.5 °F | 3.18 in. |
| April | 38.8 °F | 63.0 °F | 3.81 in. |
| May | 49.4 °F | 72.5 °F | 3.97 in. |
| June | 58.1 °F | 80.5 °F | 4.76 in. |
| July | 62.0 °F | 83.9 °F | 4.17 in. |
| August | 60.4 °F | 82.9 °F | 3.85 in. |
| September | 52.6 °F | 76.7 °F | 3.14 in. |
| October | 41.1 °F | 64.8 °F | 2.92 in. |
| November | 31.9 °F | 52.1 °F | 2.84 in. |
| December | 25.0 °F | 41.0 °F | 2.89 in. |
| Annual | 40.8 °F | 61.9 °F | 40.61 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 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 |