Wheaton, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.8 °F (low) to 63.5 °F (high). Annual precipitation averages 34.7 Inches. Wheaton 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 | 15.3 °F | 36.6 °F | 0.78 in. |
| February | 18.7 °F | 41.3 °F | 1.18 in. |
| March | 29.2 °F | 52.9 °F | 2.09 in. |
| April | 39.3 °F | 63.3 °F | 3.43 in. |
| May | 51.5 °F | 72.7 °F | 4.92 in. |
| June | 61.8 °F | 82.3 °F | 4.9 in. |
| July | 66.2 °F | 87.8 °F | 4.6 in. |
| August | 63.8 °F | 86.4 °F | 3.99 in. |
| September | 53.9 °F | 78.7 °F | 3.26 in. |
| October | 41.6 °F | 67.3 °F | 2.69 in. |
| November | 29.4 °F | 52.1 °F | 1.58 in. |
| December | 19.4 °F | 40.1 °F | 1.25 in. |
| Annual | 40.8 °F | 63.5 °F | 34.67 in. |
| 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 : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |