Gosport, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.4 °F (low) to 63 °F (high). Annual precipitation averages 48.5 Inches. Gosport 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 | 20.1 °F | 36.8 °F | 3.58 in. |
| February | 22.7 °F | 41.5 °F | 2.75 in. |
| March | 31.0 °F | 52.0 °F | 3.68 in. |
| April | 41.5 °F | 63.9 °F | 5.03 in. |
| May | 52.0 °F | 73.4 °F | 5.32 in. |
| June | 60.8 °F | 81.6 °F | 5.47 in. |
| July | 64.2 °F | 84.7 °F | 4.58 in. |
| August | 62.1 °F | 84.0 °F | 3.25 in. |
| September | 54.4 °F | 78.3 °F | 3.82 in. |
| October | 42.7 °F | 66.3 °F | 3.71 in. |
| November | 32.7 °F | 52.7 °F | 3.9 in. |
| December | 25.0 °F | 41.3 °F | 3.42 in. |
| Annual | 42.4 °F | 63 °F | 48.51 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 |