Argyle, 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 18.8 °C (high). Annual precipitation averages 1122.2 Millimeters. Argyle 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6 °C | 4.7 °C | 59.44 mm |
| February | -4 °C | 7.5 °C | 55.88 mm |
| March | 0.7 °C | 13.2 °C | 87.38 mm |
| April | 6.4 °C | 19.4 °C | 118.11 mm |
| May | 12.2 °C | 24 °C | 132.84 mm |
| June | 17.2 °C | 28.4 °C | 115.57 mm |
| July | 19.5 °C | 31 °C | 111.76 mm |
| August | 18.3 °C | 30.7 °C | 99.82 mm |
| September | 13.5 °C | 26.6 °C | 106.43 mm |
| October | 7.1 °C | 20.2 °C | 83.57 mm |
| November | 1.2 °C | 13.1 °C | 86.11 mm |
| December | -3.7 °C | 6.9 °C | 65.28 mm |
| Annual | 6.9 °C | 18.8 °C | 1122.19 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 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 |