Faulkton, South Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 0.5 °C (low) to 13.1 °C (high). Annual precipitation averages 547.1 Millimeters. Faulkton is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -15.2 °C | -4.8 °C | 12.7 mm |
| February | -13.3 °C | -2.1 °C | 18.29 mm |
| March | -6.9 °C | 4.8 °C | 24.89 mm |
| April | -0.3 °C | 13.4 °C | 51.31 mm |
| May | 6.8 °C | 20.3 °C | 82.55 mm |
| June | 12.8 °C | 25.8 °C | 90.68 mm |
| July | 15.4 °C | 29.1 °C | 71.37 mm |
| August | 14.1 °C | 28.3 °C | 65.28 mm |
| September | 8.8 °C | 23.6 °C | 50.8 mm |
| October | 1.3 °C | 14.8 °C | 46.23 mm |
| November | -6 °C | 5.6 °C | 18.54 mm |
| December | -12 °C | -2.1 °C | 14.48 mm |
| Annual | 0.5 °C | 13.1 °C | 547.12 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |