Cave, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.9 °C (low) to 18.5 °C (high). Annual precipitation averages 1081 Millimeters. Cave is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.3 °C | 3.6 °C | 56.64 mm |
| February | -4.4 °C | 6.6 °C | 55.37 mm |
| March | 0.5 °C | 12.6 °C | 76.45 mm |
| April | 6.4 °C | 19.3 °C | 112.52 mm |
| May | 12.3 °C | 24.2 °C | 130.56 mm |
| June | 17.4 °C | 28.9 °C | 122.68 mm |
| July | 19.6 °C | 30.9 °C | 104.39 mm |
| August | 18.3 °C | 30.3 °C | 88.14 mm |
| September | 13.7 °C | 26.7 °C | 96.27 mm |
| October | 7.3 °C | 20.1 °C | 89.41 mm |
| November | 1.3 °C | 12.5 °C | 84.33 mm |
| December | -3.7 °C | 5.9 °C | 64.26 mm |
| Annual | 6.9 °C | 18.5 °C | 1081.02 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |