Metamora, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43 °F (low) to 64 °F (high). Annual precipitation averages 44.5 Inches. Metamora 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 | 21.1 °F | 37.8 °F | 3.31 in. |
| February | 23.3 °F | 41.8 °F | 2.7 in. |
| March | 31.4 °F | 52.2 °F | 3.71 in. |
| April | 41.7 °F | 65.1 °F | 4.6 in. |
| May | 52.3 °F | 74.6 °F | 4.89 in. |
| June | 61.1 °F | 82.9 °F | 4.75 in. |
| July | 64.4 °F | 85.8 °F | 4.18 in. |
| August | 62.7 °F | 85.0 °F | 3.17 in. |
| September | 54.8 °F | 79.4 °F | 3.07 in. |
| October | 43.0 °F | 67.4 °F | 3.24 in. |
| November | 33.3 °F | 53.8 °F | 3.39 in. |
| December | 26.3 °F | 42.2 °F | 3.48 in. |
| Annual | 43 °F | 64 °F | 44.49 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 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 |