| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 66d - Southern Crystalline Ridges and Mountains |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 29664 - Mountain Rest, SC | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 27 | 29 | 35 | 42 | 51 | 59 | 63 | 62 | 57 | 44 | 36 | 29 | 44 |
| Avg Max Temp (°F) | 50 | 54 | 62 | 70 | 77 | 83 | 86 | 85 | 80 | 71 | 61 | 53 | 69 |
| Avg Precip (In.) | 6.3 | 5.51 | 6.85 | 4.79 | 5.83 | 5.23 | 5.64 | 5.16 | 5.08 | 4.37 | 5.29 | 5.51 | 65.56 |