Cadiz, Indiana has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.8 °C (low) to 16 °C (high). Annual precipitation averages 1129 Millimeters. Cadiz is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.9 °C | 1 °C | 78.23 mm |
| February | -6.5 °C | 3.2 °C | 62.48 mm |
| March | -1.7 °C | 9.2 °C | 88.14 mm |
| April | 4.1 °C | 16.3 °C | 112.78 mm |
| May | 10.2 °C | 22.1 °C | 123.19 mm |
| June | 15.3 °C | 26.7 °C | 133.6 mm |
| July | 16.7 °C | 28.3 °C | 112.78 mm |
| August | 15.6 °C | 27.7 °C | 87.38 mm |
| September | 11.4 °C | 24.9 °C | 82.04 mm |
| October | 5.3 °C | 18.2 °C | 82.04 mm |
| November | -0.2 °C | 10.2 °C | 87.63 mm |
| December | -4.6 °C | 3.7 °C | 78.74 mm |
| Annual | 4.8 °C | 16 °C | 1129.03 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |