Centralia, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.4 °C (low) to 17.6 °C (high). Annual precipitation averages 888.3 Millimeters. Centralia is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.7 °C | 2.4 °C | 20.07 mm |
| February | -6.7 °C | 5.2 °C | 28.45 mm |
| March | -1 °C | 11.9 °C | 55.12 mm |
| April | 4.7 °C | 18 °C | 87.38 mm |
| May | 11.3 °C | 23.2 °C | 126.75 mm |
| June | 17 °C | 28.4 °C | 119.89 mm |
| July | 19.2 °C | 30.9 °C | 124.71 mm |
| August | 17.9 °C | 30.2 °C | 99.06 mm |
| September | 12.7 °C | 26.2 °C | 86.61 mm |
| October | 5.9 °C | 19.5 °C | 69.09 mm |
| November | -0.8 °C | 11.2 °C | 41.91 mm |
| December | -6.2 °C | 4.6 °C | 29.21 mm |
| Annual | 5.4 °C | 17.6 °C | 888.25 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |