Terre Haute, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.8 °F (low) to 64.3 °F (high). Annual precipitation averages 44.7 Inches. Terre Haute 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.6 °F | 36.8 °F | 3.1 in. |
| February | 23.5 °F | 42.0 °F | 2.55 in. |
| March | 32.9 °F | 52.8 °F | 3.39 in. |
| April | 43.6 °F | 65.1 °F | 4.88 in. |
| May | 53.7 °F | 75.4 °F | 4.84 in. |
| June | 62.6 °F | 83.8 °F | 4.99 in. |
| July | 65.9 °F | 86.7 °F | 4.36 in. |
| August | 63.5 °F | 85.6 °F | 2.92 in. |
| September | 55.5 °F | 80.2 °F | 3.26 in. |
| October | 44.1 °F | 67.9 °F | 3.81 in. |
| November | 33.8 °F | 53.5 °F | 3.69 in. |
| December | 25.6 °F | 41.5 °F | 2.95 in. |
| Annual | 43.8 °F | 64.3 °F | 44.74 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 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 |