Purdin, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.5 °C (low) to 17.1 °C (high). Annual precipitation averages 1028.7 Millimeters. Purdin 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.7 °C | 1.5 °C | 31.5 mm |
| February | -6.6 °C | 4.4 °C | 42.67 mm |
| March | -0.9 °C | 11.2 °C | 66.04 mm |
| April | 5.1 °C | 17.4 °C | 97.28 mm |
| May | 11.3 °C | 22.8 °C | 140.97 mm |
| June | 16.7 °C | 27.8 °C | 132.59 mm |
| July | 18.9 °C | 30.3 °C | 123.44 mm |
| August | 17.6 °C | 29.6 °C | 102.62 mm |
| September | 12.7 °C | 25.7 °C | 112.78 mm |
| October | 6.1 °C | 18.8 °C | 79.5 mm |
| November | -0.3 °C | 11.1 °C | 58.42 mm |
| December | -5.8 °C | 4.1 °C | 40.89 mm |
| Annual | 5.5 °C | 17.1 °C | 1028.7 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| 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 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |