Red Boiling Springs, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.4 °C (low) to 20.3 °C (high). Annual precipitation averages 1365.3 Millimeters. Red Boiling Springs 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 | -2.6 °C | 7.4 °C | 111 mm |
| February | -1.1 °C | 10.1 °C | 116.59 mm |
| March | 2.7 °C | 15 °C | 125.48 mm |
| April | 7.8 °C | 20.8 °C | 129.29 mm |
| May | 13.2 °C | 25.1 °C | 130.81 mm |
| June | 17.4 °C | 29.4 °C | 112.78 mm |
| July | 19.3 °C | 31.2 °C | 130.3 mm |
| August | 18.8 °C | 30.7 °C | 95.76 mm |
| September | 15.1 °C | 27.7 °C | 97.28 mm |
| October | 7.9 °C | 21.9 °C | 88.65 mm |
| November | 2.6 °C | 14.9 °C | 92.96 mm |
| December | -0.7 °C | 9.3 °C | 134.37 mm |
| Annual | 8.4 °C | 20.3 °C | 1365.27 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |