Mutual, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.3 °C (low) to 21.9 °C (high). Annual precipitation averages 681 Millimeters. Mutual is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.2 °C | 9.3 °C | 21.08 mm |
| February | -3.7 °C | 11.2 °C | 23.62 mm |
| March | 1.2 °C | 16.7 °C | 45.97 mm |
| April | 6.1 °C | 21.5 °C | 65.02 mm |
| May | 12.2 °C | 26.4 °C | 98.55 mm |
| June | 18 °C | 31.7 °C | 94.23 mm |
| July | 20.3 °C | 34.7 °C | 70.1 mm |
| August | 19.3 °C | 34.1 °C | 73.41 mm |
| September | 14.8 °C | 29.6 °C | 61.21 mm |
| October | 7.6 °C | 22.7 °C | 66.29 mm |
| November | 0.7 °C | 15.8 °C | 31.75 mm |
| December | -4.3 °C | 9.6 °C | 29.72 mm |
| Annual | 7.3 °C | 21.9 °C | 680.95 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |