Renfrow, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.1 °C (low) to 21.3 °C (high). Annual precipitation averages 839 Millimeters. Renfrow 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 | -4.8 °C | 7.9 °C | 29.46 mm |
| February | -3.1 °C | 10.2 °C | 31.75 mm |
| March | 2.1 °C | 15.7 °C | 62.23 mm |
| April | 6.8 °C | 20.9 °C | 80.52 mm |
| May | 13.1 °C | 25.9 °C | 111.25 mm |
| June | 18.7 °C | 31.6 °C | 111.76 mm |
| July | 21.2 °C | 34.3 °C | 97.28 mm |
| August | 20.3 °C | 33.5 °C | 87.88 mm |
| September | 15.7 °C | 29.4 °C | 61.72 mm |
| October | 8.7 °C | 22.4 °C | 83.06 mm |
| November | 1.9 °C | 15.2 °C | 42.42 mm |
| December | -3.3 °C | 8.7 °C | 39.62 mm |
| Annual | 8.1 °C | 21.3 °C | 838.95 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 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |