Udall, Kansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.7 °C (low) to 20.1 °C (high). Annual precipitation averages 968.5 Millimeters. Udall 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 Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.4 °C | 6.3 °C | 24.13 mm |
| February | -3.7 °C | 8.9 °C | 37.59 mm |
| March | 1.4 °C | 14.6 °C | 67.82 mm |
| April | 6.8 °C | 19.8 °C | 89.92 mm |
| May | 13.1 °C | 24.7 °C | 150.11 mm |
| June | 18.6 °C | 30.2 °C | 143.26 mm |
| July | 20.9 °C | 32.9 °C | 105.41 mm |
| August | 19.9 °C | 32.2 °C | 105.16 mm |
| September | 15.3 °C | 28.1 °C | 76.45 mm |
| October | 8.2 °C | 21.5 °C | 85.09 mm |
| November | 1.6 °C | 14.1 °C | 47.24 mm |
| December | -3.8 °C | 7.4 °C | 36.32 mm |
| Annual | 7.7 °C | 20.1 °C | 968.5 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |