Holland, Indiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.7 °C (low) to 19 °C (high). Annual precipitation averages 1301.5 Millimeters. Holland is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.4 °C | 5.1 °C | 92.46 mm |
| February | -3.1 °C | 7.6 °C | 83.31 mm |
| March | 1.4 °C | 13.1 °C | 118.87 mm |
| April | 7.2 °C | 19.5 °C | 139.95 mm |
| May | 12.9 °C | 24.4 °C | 140.97 mm |
| June | 17.7 °C | 28.9 °C | 122.94 mm |
| July | 19.5 °C | 30.6 °C | 119.38 mm |
| August | 18.3 °C | 30.2 °C | 83.82 mm |
| September | 14.2 °C | 27.2 °C | 100.33 mm |
| October | 7.8 °C | 20.7 °C | 91.95 mm |
| November | 2.2 °C | 13.2 °C | 105.16 mm |
| December | -1.9 °C | 7.3 °C | 102.36 mm |
| Annual | 7.7 °C | 19 °C | 1301.5 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |