New California, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.6 °C (low) to 16.4 °C (high). Annual precipitation averages 1042.9 Millimeters. New California is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.7 °C | 1.7 °C | 73.91 mm |
| February | -5.7 °C | 3.6 °C | 59.18 mm |
| March | -1.1 °C | 9.4 °C | 81.79 mm |
| April | 4.7 °C | 16.7 °C | 99.82 mm |
| May | 10.8 °C | 22.7 °C | 109.98 mm |
| June | 15.8 °C | 27.2 °C | 117.09 mm |
| July | 17.6 °C | 28.7 °C | 108.97 mm |
| August | 16.3 °C | 28.1 °C | 88.65 mm |
| September | 12.3 °C | 25.2 °C | 81.79 mm |
| October | 5.9 °C | 18.2 °C | 71.12 mm |
| November | 0.4 °C | 10.6 °C | 75.18 mm |
| December | -3.6 °C | 4.3 °C | 75.44 mm |
| Annual | 5.6 °C | 16.4 °C | 1042.92 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |