Angola, Indiana has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 3.9 °C (low) to 14.6 °C (high). Annual precipitation averages 979.2 Millimeters. Angola 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.8 °C | -0.6 °C | 62.48 mm |
| February | -8 °C | 1.3 °C | 55.37 mm |
| March | -3.4 °C | 7.3 °C | 62.48 mm |
| April | 2.4 °C | 14.6 °C | 90.68 mm |
| May | 9.2 °C | 20.9 °C | 107.19 mm |
| June | 14.7 °C | 26.1 °C | 101.6 mm |
| July | 16.3 °C | 27.9 °C | 98.3 mm |
| August | 15.1 °C | 26.9 °C | 104.9 mm |
| September | 10.8 °C | 23.5 °C | 81.03 mm |
| October | 4.8 °C | 16.4 °C | 76.2 mm |
| November | -0.7 °C | 8.7 °C | 77.22 mm |
| December | -5.6 °C | 2.1 °C | 61.72 mm |
| Annual | 3.9 °C | 14.6 °C | 979.17 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |