Bolckow, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.4 °C (low) to 17.3 °C (high). Annual precipitation averages 958.8 Millimeters. Bolckow 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 | -9.1 °C | 1.6 °C | 22.35 mm |
| February | -6.7 °C | 4.6 °C | 32 mm |
| March | -1 °C | 11.4 °C | 58.67 mm |
| April | 4.9 °C | 17.7 °C | 95.25 mm |
| May | 11.4 °C | 23.3 °C | 134.11 mm |
| June | 16.9 °C | 28.3 °C | 131.06 mm |
| July | 19.1 °C | 30.6 °C | 128.02 mm |
| August | 17.7 °C | 29.8 °C | 102.36 mm |
| September | 12.8 °C | 26 °C | 91.95 mm |
| October | 5.9 °C | 19.2 °C | 77.98 mm |
| November | -0.6 °C | 11.2 °C | 48.01 mm |
| December | -6.2 °C | 4.1 °C | 37.08 mm |
| Annual | 5.4 °C | 17.3 °C | 958.84 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |