Trail Creek, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.5 °F (low) to 58.5 °F (high). Annual precipitation averages 38.1 Inches. Trail Creek 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 | 18.3 °F | 32.2 °F | 2.5 in. |
| February | 20.6 °F | 35.9 °F | 1.96 in. |
| March | 28.9 °F | 45.8 °F | 2.33 in. |
| April | 38.7 °F | 57.4 °F | 3.44 in. |
| May | 48.9 °F | 68.6 °F | 3.39 in. |
| June | 58.9 °F | 77.4 °F | 4.25 in. |
| July | 63.8 °F | 81.6 °F | 4.02 in. |
| August | 62.4 °F | 79.9 °F | 4.19 in. |
| September | 55.2 °F | 74.3 °F | 3.34 in. |
| October | 44.0 °F | 62.4 °F | 3.74 in. |
| November | 34.0 °F | 49.2 °F | 2.66 in. |
| December | 24.4 °F | 37.6 °F | 2.3 in. |
| Annual | 41.5 °F | 58.5 °F | 38.12 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 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |