Tamassee, South Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.2 °F (low) to 71.6 °F (high). Annual precipitation averages 63.2 Inches. Tamassee is located in USDA Plant Hardiness Zone 8a. 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 | 29.7 °F | 52.4 °F | 5.87 in. |
| February | 32.2 °F | 56.1 °F | 5.05 in. |
| March | 38.4 °F | 63.7 °F | 5.55 in. |
| April | 46.3 °F | 72.7 °F | 4.87 in. |
| May | 55.3 °F | 79.8 °F | 4.63 in. |
| June | 63.6 °F | 85.7 °F | 5.28 in. |
| July | 67.1 °F | 89.0 °F | 5.11 in. |
| August | 66.5 °F | 87.4 °F | 6.35 in. |
| September | 60.5 °F | 82.2 °F | 5.07 in. |
| October | 47.9 °F | 72.7 °F | 4.54 in. |
| November | 37.9 °F | 63.1 °F | 4.75 in. |
| December | 32.9 °F | 54.8 °F | 6.15 in. |
| Annual | 48.2 °F | 71.6 °F | 63.22 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 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |