Silver Lake, North Carolina has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.1 °C (low) to 23.2 °C (high). Annual precipitation averages 1625.6 Millimeters. 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 | 1.8 °C | 13.7 °C | 104.9 mm |
| February | 2.8 °C | 15.1 °C | 92.96 mm |
| March | 6.1 °C | 18.6 °C | 102.11 mm |
| April | 11.2 °C | 23 °C | 98.04 mm |
| May | 16 °C | 26.8 °C | 100.58 mm |
| June | 20.5 °C | 30.1 °C | 137.41 mm |
| July | 22.7 °C | 31.8 °C | 199.9 mm |
| August | 21.8 °C | 31.1 °C | 208.28 mm |
| September | 19.1 °C | 28.8 °C | 237.24 mm |
| October | 12.9 °C | 24.6 °C | 135.13 mm |
| November | 7.3 °C | 19.4 °C | 101.85 mm |
| December | 3.5 °C | 15.5 °C | 107.19 mm |
| Annual | 12.1 °C | 23.2 °C | 1625.59 mm |
| 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 : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |