Waldron, Kansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.9 °C (low) to 21.7 °C (high). Annual precipitation averages 816.6 Millimeters. Waldron is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.1 °C | 8.4 °C | 23.88 mm |
| February | -3.3 °C | 10.6 °C | 29.72 mm |
| March | 1.8 °C | 16.2 °C | 58.17 mm |
| April | 6.6 °C | 21.2 °C | 75.18 mm |
| May | 12.9 °C | 26.4 °C | 113.54 mm |
| June | 18.6 °C | 32.1 °C | 117.35 mm |
| July | 21.1 °C | 34.8 °C | 91.69 mm |
| August | 20.2 °C | 33.8 °C | 93.47 mm |
| September | 15.7 °C | 29.7 °C | 65.53 mm |
| October | 8.3 °C | 22.8 °C | 76.2 mm |
| November | 1.6 °C | 15.4 °C | 37.85 mm |
| December | -3.8 °C | 8.9 °C | 34.04 mm |
| Annual | 7.9 °C | 21.7 °C | 816.62 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |