Baldwin City, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.2 °F (low) to 65.5 °F (high). Annual precipitation averages 39.4 Inches. Baldwin City 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 | 20.9 °F | 39.6 °F | 1.13 in. |
| February | 24.5 °F | 44.0 °F | 1.51 in. |
| March | 33.8 °F | 55.5 °F | 2.38 in. |
| April | 44.2 °F | 65.7 °F | 3.9 in. |
| May | 55.0 °F | 74.5 °F | 5.48 in. |
| June | 64.7 °F | 83.9 °F | 5.44 in. |
| July | 68.8 °F | 88.6 °F | 4.12 in. |
| August | 66.7 °F | 87.6 °F | 4.37 in. |
| September | 58.1 °F | 79.7 °F | 4.03 in. |
| October | 46.1 °F | 68.3 °F | 3.21 in. |
| November | 34.9 °F | 55.1 °F | 2.18 in. |
| December | 25.0 °F | 43.0 °F | 1.62 in. |
| Annual | 45.2 °F | 65.5 °F | 39.37 in. |
| 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 : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |