Climax, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.1 °C (low) to 19.9 °C (high). Annual precipitation averages 981.7 Millimeters. Climax is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.4 °C | 6.1 °C | 24.89 mm |
| February | -4.4 °C | 8.8 °C | 37.08 mm |
| March | 0.9 °C | 14.6 °C | 65.28 mm |
| April | 6.6 °C | 19.9 °C | 95.5 mm |
| May | 12.6 °C | 24.3 °C | 141.48 mm |
| June | 17.9 °C | 29.3 °C | 139.95 mm |
| July | 20.2 °C | 32.2 °C | 105.16 mm |
| August | 19.2 °C | 32 °C | 93.73 mm |
| September | 14.3 °C | 27.7 °C | 97.79 mm |
| October | 7.3 °C | 21.4 °C | 84.33 mm |
| November | 0.9 °C | 14.2 °C | 55.88 mm |
| December | -4.5 °C | 7.7 °C | 40.64 mm |
| Annual | 7.1 °C | 19.9 °C | 981.71 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |