Elnora, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.5 °F (low) to 65.3 °F (high). Annual precipitation averages 48 Inches. Elnora 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.2 °F | 38.6 °F | 3.42 in. |
| February | 24.8 °F | 43.4 °F | 2.71 in. |
| March | 33.5 °F | 54.2 °F | 3.78 in. |
| April | 43.8 °F | 66.8 °F | 4.97 in. |
| May | 54.6 °F | 75.9 °F | 5.48 in. |
| June | 63.2 °F | 84.0 °F | 5.1 in. |
| July | 65.7 °F | 87.0 °F | 4.35 in. |
| August | 63.7 °F | 86.2 °F | 3.31 in. |
| September | 56.0 °F | 80.8 °F | 3.76 in. |
| October | 44.6 °F | 69.1 °F | 3.61 in. |
| November | 34.6 °F | 54.5 °F | 3.97 in. |
| December | 26.7 °F | 43.0 °F | 3.55 in. |
| Annual | 44.5 °F | 65.3 °F | 48.01 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 |