Colwich, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.8 °F (low) to 67.5 °F (high). Annual precipitation averages 34.2 Inches. Colwich 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 | 22.4 °F | 42.5 °F | 0.86 in. |
| February | 25.4 °F | 47.0 °F | 1.35 in. |
| March | 34.7 °F | 57.4 °F | 2.43 in. |
| April | 44.1 °F | 66.8 °F | 2.99 in. |
| May | 55.2 °F | 75.9 °F | 5.27 in. |
| June | 65.3 °F | 86.5 °F | 4.9 in. |
| July | 69.4 °F | 91.1 °F | 4.07 in. |
| August | 67.6 °F | 89.5 °F | 3.96 in. |
| September | 59.4 °F | 82.1 °F | 2.83 in. |
| October | 46.8 °F | 70.0 °F | 2.82 in. |
| November | 34.7 °F | 56.3 °F | 1.53 in. |
| December | 25.1 °F | 44.6 °F | 1.21 in. |
| Annual | 45.8 °F | 67.5 °F | 34.22 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 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |