Laurel, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.8 °F (low) to 63.7 °F (high). Annual precipitation averages 44.6 Inches. 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 | 21.0 °F | 37.4 °F | 3.29 in. |
| February | 23.1 °F | 41.5 °F | 2.67 in. |
| March | 31.3 °F | 51.9 °F | 3.74 in. |
| April | 41.6 °F | 64.8 °F | 4.52 in. |
| May | 52.2 °F | 74.2 °F | 4.93 in. |
| June | 61.0 °F | 82.7 °F | 4.82 in. |
| July | 64.3 °F | 85.6 °F | 4.28 in. |
| August | 62.3 °F | 84.5 °F | 3.21 in. |
| September | 54.5 °F | 79.1 °F | 3.12 in. |
| October | 42.7 °F | 67.2 °F | 3.19 in. |
| November | 33.2 °F | 53.4 °F | 3.37 in. |
| December | 26.1 °F | 41.9 °F | 3.44 in. |
| Annual | 42.8 °F | 63.7 °F | 44.58 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |