Curryville, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.3 °C (low) to 17.5 °C (high). Annual precipitation averages 1018.5 Millimeters. Curryville 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 | -7.3 °C | 2.4 °C | 54.86 mm |
| February | -5.4 °C | 5.2 °C | 53.85 mm |
| March | -0.1 °C | 11.6 °C | 74.17 mm |
| April | 5.9 °C | 18.1 °C | 107.95 mm |
| May | 11.8 °C | 23.4 °C | 120.9 mm |
| June | 17 °C | 28.2 °C | 116.84 mm |
| July | 19.1 °C | 30.3 °C | 109.22 mm |
| August | 18.1 °C | 29.6 °C | 88.39 mm |
| September | 13.3 °C | 25.9 °C | 91.44 mm |
| October | 6.8 °C | 19.3 °C | 76.2 mm |
| November | 0.7 °C | 11.7 °C | 69.85 mm |
| December | -4.4 °C | 4.8 °C | 54.86 mm |
| Annual | 6.3 °C | 17.5 °C | 1018.53 mm |
| 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 : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |