Smith Center, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4.4 °C (low) to 18.9 °C (high). Annual precipitation averages 650.8 Millimeters. Smith Center 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 °C | 4.1 °C | 16 mm |
| February | -7.4 °C | 6.5 °C | 17.27 mm |
| March | -2.2 °C | 12.9 °C | 37.08 mm |
| April | 3.2 °C | 18.8 °C | 53.34 mm |
| May | 9.7 °C | 24.1 °C | 101.35 mm |
| June | 15.9 °C | 30.4 °C | 88.9 mm |
| July | 18.7 °C | 33.2 °C | 111.51 mm |
| August | 17.4 °C | 31.6 °C | 82.04 mm |
| September | 12.1 °C | 27.5 °C | 53.85 mm |
| October | 4.6 °C | 20.3 °C | 41.4 mm |
| November | -2.5 °C | 12 °C | 27.94 mm |
| December | -7.6 °C | 5.3 °C | 20.07 mm |
| Annual | 4.4 °C | 18.9 °C | 650.75 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 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |