Whiteland, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.2 °F (low) to 62.6 °F (high). Annual precipitation averages 45 Inches. Whiteland is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.0 °F | 35.8 °F | 3.12 in. |
| February | 22.7 °F | 40.2 °F | 2.54 in. |
| March | 31.5 °F | 51.0 °F | 3.51 in. |
| April | 42.2 °F | 63.4 °F | 4.77 in. |
| May | 53.2 °F | 73.3 °F | 5.05 in. |
| June | 62.1 °F | 81.7 °F | 5.18 in. |
| July | 65.1 °F | 84.5 °F | 4.4 in. |
| August | 63.3 °F | 83.8 °F | 3.24 in. |
| September | 55.3 °F | 78.3 °F | 3.29 in. |
| October | 44.1 °F | 66.1 °F | 3.21 in. |
| November | 33.6 °F | 52.1 °F | 3.47 in. |
| December | 25.6 °F | 40.4 °F | 3.23 in. |
| Annual | 43.2 °F | 62.6 °F | 45.01 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |