Cleo Springs, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.3 °C (low) to 22.4 °C (high). Annual precipitation averages 748 Millimeters. Cleo Springs 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 | -4.6 °C | 9.1 °C | 22.61 mm |
| February | -2.8 °C | 11.3 °C | 29.21 mm |
| March | 2.2 °C | 16.9 °C | 52.83 mm |
| April | 6.8 °C | 21.9 °C | 71.88 mm |
| May | 13.1 °C | 27.1 °C | 100.84 mm |
| June | 18.9 °C | 32.7 °C | 104.39 mm |
| July | 21.4 °C | 35.6 °C | 77.22 mm |
| August | 20.4 °C | 34.7 °C | 82.8 mm |
| September | 16 °C | 30.3 °C | 65.02 mm |
| October | 8.8 °C | 23.3 °C | 68.83 mm |
| November | 2.1 °C | 15.9 °C | 38.86 mm |
| December | -3.3 °C | 9.6 °C | 33.53 mm |
| Annual | 8.3 °C | 22.4 °C | 748.02 mm |
| 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 : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |