Saltillo, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.7 °F (low) to 64.7 °F (high). Annual precipitation averages 49.7 Inches. Saltillo 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 | 22.8 °F | 39.2 °F | 3.71 in. |
| February | 25.4 °F | 44.5 °F | 3.17 in. |
| March | 33.7 °F | 54.2 °F | 4.37 in. |
| April | 43.6 °F | 66.4 °F | 5.31 in. |
| May | 54.0 °F | 74.9 °F | 5.49 in. |
| June | 62.3 °F | 82.6 °F | 5.1 in. |
| July | 65.5 °F | 85.5 °F | 4.25 in. |
| August | 63.8 °F | 84.9 °F | 3.43 in. |
| September | 56.4 °F | 79.2 °F | 3.59 in. |
| October | 45.2 °F | 67.9 °F | 3.55 in. |
| November | 35.3 °F | 54.4 °F | 3.88 in. |
| December | 27.9 °F | 43.2 °F | 3.88 in. |
| Annual | 44.7 °F | 64.7 °F | 49.73 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 |