Hollow Rock, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.3 °F (low) to 70.1 °F (high). Annual precipitation averages 55 Inches. Hollow Rock 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 | 28.1 °F | 47.1 °F | 4.26 in. |
| February | 31.2 °F | 52.0 °F | 4.58 in. |
| March | 38.4 °F | 61.2 °F | 5.3 in. |
| April | 47.4 °F | 71.2 °F | 5.21 in. |
| May | 56.9 °F | 78.8 °F | 5.78 in. |
| June | 65.2 °F | 86.2 °F | 4.4 in. |
| July | 68.8 °F | 89.2 °F | 4.26 in. |
| August | 67.0 °F | 89.0 °F | 3.65 in. |
| September | 59.7 °F | 83.3 °F | 3.93 in. |
| October | 47.7 °F | 72.6 °F | 3.84 in. |
| November | 37.6 °F | 60.3 °F | 4.56 in. |
| December | 31.2 °F | 49.9 °F | 5.23 in. |
| Annual | 48.3 °F | 70.1 °F | 55 in. |
| 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 : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |