Hollansburg, Ohio has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.9 °C (low) to 15.8 °C (high). Annual precipitation averages 1068.8 Millimeters. Hollansburg 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 | -7.9 °C | 0.9 °C | 76.96 mm |
| February | -6.4 °C | 3.2 °C | 58.93 mm |
| March | -1.6 °C | 9 °C | 85.09 mm |
| April | 4.2 °C | 16.3 °C | 109.22 mm |
| May | 10.4 °C | 21.9 °C | 115.82 mm |
| June | 15.6 °C | 26.6 °C | 119.89 mm |
| July | 16.7 °C | 28.2 °C | 105.16 mm |
| August | 15.6 °C | 27.6 °C | 83.57 mm |
| September | 11.5 °C | 24.6 °C | 77.72 mm |
| October | 5.6 °C | 17.8 °C | 77.22 mm |
| November | 0.1 °C | 10.1 °C | 81.79 mm |
| December | -4.7 °C | 3.6 °C | 77.47 mm |
| Annual | 4.9 °C | 15.8 °C | 1068.84 mm |
| 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 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |