Coolidge, Kansas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 37.9 °F (low) to 69 °F (high). Annual precipitation averages 17.6 Inches. Coolidge is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.4 °F | 45.7 °F | 0.35 in. |
| February | 18.7 °F | 49.7 °F | 0.37 in. |
| March | 26.7 °F | 59.4 °F | 0.92 in. |
| April | 35.3 °F | 68.0 °F | 1.49 in. |
| May | 46.7 °F | 77.4 °F | 2.25 in. |
| June | 57.9 °F | 88.2 °F | 2.67 in. |
| July | 63.0 °F | 92.5 °F | 2.9 in. |
| August | 61.4 °F | 90.2 °F | 3.1 in. |
| September | 51.8 °F | 83.5 °F | 1.15 in. |
| October | 36.9 °F | 70.7 °F | 1.42 in. |
| November | 24.9 °F | 56.7 °F | 0.49 in. |
| December | 16.4 °F | 46.1 °F | 0.46 in. |
| Annual | 37.9 °F | 69 °F | 17.57 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 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 | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |