Silverdale, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.6 °F (low) to 63 °F (high). Annual precipitation averages 49.1 Inches. Silverdale is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.6 °F | 38.8 °F | 3.42 in. |
| February | 23.0 °F | 41.6 °F | 2.97 in. |
| March | 30.1 °F | 50.0 °F | 3.99 in. |
| April | 40.4 °F | 62.5 °F | 3.91 in. |
| May | 50.1 °F | 72.1 °F | 4.31 in. |
| June | 59.3 °F | 80.9 °F | 4.58 in. |
| July | 64.2 °F | 85.7 °F | 4.78 in. |
| August | 62.6 °F | 83.9 °F | 4.37 in. |
| September | 55.4 °F | 77.3 °F | 4.63 in. |
| October | 43.7 °F | 65.1 °F | 4.32 in. |
| November | 33.9 °F | 54.0 °F | 3.33 in. |
| December | 27.0 °F | 43.8 °F | 4.51 in. |
| Annual | 42.6 °F | 63 °F | 49.12 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |