Silver Lake, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.8 °F (low) to 73.8 °F (high). Annual precipitation averages 64 Inches. Silver Lake is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.3 °F | 56.6 °F | 4.13 in. |
| February | 37.0 °F | 59.1 °F | 3.66 in. |
| March | 42.9 °F | 65.4 °F | 4.02 in. |
| April | 52.1 °F | 73.4 °F | 3.86 in. |
| May | 60.8 °F | 80.3 °F | 3.96 in. |
| June | 68.9 °F | 86.2 °F | 5.41 in. |
| July | 72.8 °F | 89.2 °F | 7.87 in. |
| August | 71.2 °F | 88.0 °F | 8.2 in. |
| September | 66.4 °F | 83.8 °F | 9.34 in. |
| October | 55.2 °F | 76.2 °F | 5.32 in. |
| November | 45.1 °F | 67.0 °F | 4.01 in. |
| December | 38.3 °F | 59.9 °F | 4.22 in. |
| Annual | 53.8 °F | 73.8 °F | 64 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |