Baltic, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.2 °C (low) to 16 °C (high). Annual precipitation averages 1048.5 Millimeters. Baltic is located in USDA Plant Hardiness Zone 6a. 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 | -7.1 °C | 1.8 °C | 76.71 mm |
| February | -6.3 °C | 3.5 °C | 56.64 mm |
| March | -1.8 °C | 8.9 °C | 82.3 mm |
| April | 4.3 °C | 16.5 °C | 96.77 mm |
| May | 10.1 °C | 21.9 °C | 102.87 mm |
| June | 15.1 °C | 26.5 °C | 122.94 mm |
| July | 16.9 °C | 28.3 °C | 105.92 mm |
| August | 16.1 °C | 27.8 °C | 97.28 mm |
| September | 12.1 °C | 24.3 °C | 81.79 mm |
| October | 5.9 °C | 17.6 °C | 77.22 mm |
| November | 0.6 °C | 10.6 °C | 73.41 mm |
| December | -3.8 °C | 4.3 °C | 74.68 mm |
| Annual | 5.2 °C | 16 °C | 1048.53 mm |
| 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 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 |