Laconia, Indiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.6 °F (low) to 66.7 °F (high). Annual precipitation averages 49.1 Inches. Laconia is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.3 °F | 42.5 °F | 3.64 in. |
| February | 26.9 °F | 47.0 °F | 3.63 in. |
| March | 34.4 °F | 56.6 °F | 4.75 in. |
| April | 44.4 °F | 67.8 °F | 4.88 in. |
| May | 54.6 °F | 76.1 °F | 5.33 in. |
| June | 63.0 °F | 83.9 °F | 4.52 in. |
| July | 66.7 °F | 86.8 °F | 4.09 in. |
| August | 64.8 °F | 86.2 °F | 3.19 in. |
| September | 57.7 °F | 80.6 °F | 3.54 in. |
| October | 46.2 °F | 69.8 °F | 3.58 in. |
| November | 35.1 °F | 56.7 °F | 3.59 in. |
| December | 28.5 °F | 46.0 °F | 4.34 in. |
| Annual | 45.6 °F | 66.7 °F | 49.08 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |