Arkoe, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.1 °C (low) to 17 °C (high). Annual precipitation averages 960.1 Millimeters. Arkoe 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 | -9.4 °C | 1.2 °C | 21.59 mm |
| February | -7.1 °C | 4.2 °C | 31.24 mm |
| March | -1.3 °C | 11.1 °C | 57.91 mm |
| April | 4.5 °C | 17.4 °C | 97.28 mm |
| May | 11.2 °C | 23.1 °C | 134.87 mm |
| June | 16.7 °C | 28.1 °C | 128.78 mm |
| July | 18.9 °C | 30.4 °C | 130.81 mm |
| August | 17.4 °C | 29.6 °C | 105.92 mm |
| September | 12.4 °C | 25.8 °C | 91.44 mm |
| October | 5.5 °C | 18.9 °C | 76.2 mm |
| November | -1 °C | 10.8 °C | 46.99 mm |
| December | -6.7 °C | 3.7 °C | 37.08 mm |
| Annual | 5.1 °C | 17 °C | 960.11 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 |