Laurel, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6 °C (low) to 17.6 °C (high). Annual precipitation averages 1132.4 Millimeters. Laurel is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.1 °C | 3 °C | 83.57 mm |
| February | -4.9 °C | 5.3 °C | 67.82 mm |
| March | -0.4 °C | 11.1 °C | 95 mm |
| April | 5.3 °C | 18.2 °C | 114.81 mm |
| May | 11.2 °C | 23.4 °C | 125.22 mm |
| June | 16.1 °C | 28.2 °C | 122.43 mm |
| July | 17.9 °C | 29.8 °C | 108.71 mm |
| August | 16.8 °C | 29.2 °C | 81.53 mm |
| September | 12.5 °C | 26.2 °C | 79.25 mm |
| October | 5.9 °C | 19.6 °C | 81.03 mm |
| November | 0.7 °C | 11.9 °C | 85.6 mm |
| December | -3.3 °C | 5.5 °C | 87.38 mm |
| Annual | 6 °C | 17.6 °C | 1132.35 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°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 |