La Crosse, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.2 °C (low) to 15.5 °C (high). Annual precipitation averages 1023.6 Millimeters. La Crosse is located in USDA Plant Hardiness Zone 5b. 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 | -9.1 °C | 0 °C | 60.96 mm |
| February | -7.5 °C | 2.2 °C | 54.36 mm |
| March | -2.7 °C | 8.4 °C | 62.74 mm |
| April | 3.1 °C | 15.5 °C | 92.2 mm |
| May | 9.7 °C | 21.7 °C | 106.68 mm |
| June | 15.1 °C | 26.8 °C | 114.3 mm |
| July | 16.5 °C | 28.5 °C | 116.33 mm |
| August | 15.4 °C | 27.6 °C | 108.2 mm |
| September | 11.2 °C | 24.6 °C | 86.87 mm |
| October | 5 °C | 17.7 °C | 90.68 mm |
| November | -0.6 °C | 9.6 °C | 71.63 mm |
| December | -5.7 °C | 2.9 °C | 58.67 mm |
| Annual | 4.2 °C | 15.5 °C | 1023.62 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°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 |