Speed, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 4 °C (low) to 19.2 °C (high). Annual precipitation averages 617.7 Millimeters. Speed 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 | -9.2 °C | 4.7 °C | 12.95 mm |
| February | -7.7 °C | 6.9 °C | 18.03 mm |
| March | -2.6 °C | 13.4 °C | 34.8 mm |
| April | 2.8 °C | 18.8 °C | 57.66 mm |
| May | 9.3 °C | 24.1 °C | 98.3 mm |
| June | 15.6 °C | 30.6 °C | 81.03 mm |
| July | 18.4 °C | 33.6 °C | 95 mm |
| August | 17.2 °C | 31.9 °C | 79.5 mm |
| September | 11.7 °C | 27.7 °C | 50.04 mm |
| October | 3.9 °C | 20.6 °C | 47.75 mm |
| November | -2.9 °C | 12.6 °C | 22.86 mm |
| December | -8 °C | 5.8 °C | 19.81 mm |
| Annual | 4 °C | 19.2 °C | 617.73 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 |