Briarcliff, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8 °C (low) to 20.8 °C (high). Annual precipitation averages 1222.8 Millimeters. Briarcliff is located in USDA Plant Hardiness Zone 7b. 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 | -3.7 °C | 8.2 °C | 84.07 mm |
| February | -1.9 °C | 10.9 °C | 81.28 mm |
| March | 2.3 °C | 15.8 °C | 114.3 mm |
| April | 7.4 °C | 21.3 °C | 134.37 mm |
| May | 12.8 °C | 25.2 °C | 130.56 mm |
| June | 17.6 °C | 29.7 °C | 96.01 mm |
| July | 19.7 °C | 32 °C | 93.73 mm |
| August | 18.8 °C | 31.9 °C | 85.85 mm |
| September | 14.4 °C | 28.1 °C | 93.98 mm |
| October | 7.8 °C | 22.1 °C | 98.04 mm |
| November | 2.3 °C | 15.3 °C | 113.79 mm |
| December | -2.1 °C | 9.6 °C | 96.77 mm |
| Annual | 8 °C | 20.8 °C | 1222.75 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |