Long Beach, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.9 °F (low) to 58 °F (high). Annual precipitation averages 38 Inches. Long Beach 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.3 °F | 32.3 °F | 2.49 in. |
| February | 21.7 °F | 35.5 °F | 1.97 in. |
| March | 29.8 °F | 45.3 °F | 2.31 in. |
| April | 39.6 °F | 56.5 °F | 3.43 in. |
| May | 50.0 °F | 67.4 °F | 3.45 in. |
| June | 60.0 °F | 76.5 °F | 4.22 in. |
| July | 65.8 °F | 80.7 °F | 3.98 in. |
| August | 64.7 °F | 79.3 °F | 4.16 in. |
| September | 57.6 °F | 73.5 °F | 3.32 in. |
| October | 45.5 °F | 62.0 °F | 3.74 in. |
| November | 35.5 °F | 49.2 °F | 2.66 in. |
| December | 25.4 °F | 37.5 °F | 2.29 in. |
| Annual | 42.9 °F | 58 °F | 38.02 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 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 |