Waldo, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.1 °C (low) to 19.5 °C (high). Annual precipitation averages 671.1 Millimeters. Waldo 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 | -8.1 °C | 5.1 °C | 16.26 mm |
| February | -6.6 °C | 7.7 °C | 20.83 mm |
| March | -1.4 °C | 13.7 °C | 35.05 mm |
| April | 3.8 °C | 19.1 °C | 55.88 mm |
| May | 10.3 °C | 24.3 °C | 99.57 mm |
| June | 16.4 °C | 30.6 °C | 88.14 mm |
| July | 19.2 °C | 33.6 °C | 109.22 mm |
| August | 18 °C | 32.1 °C | 91.95 mm |
| September | 12.9 °C | 27.8 °C | 59.18 mm |
| October | 5.2 °C | 20.8 °C | 44.45 mm |
| November | -1.7 °C | 12.8 °C | 26.42 mm |
| December | -6.7 °C | 6.2 °C | 24.13 mm |
| Annual | 5.1 °C | 19.5 °C | 671.08 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 | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |