Liverpool, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.4 °F (low) to 61.9 °F (high). Annual precipitation averages 45.8 Inches. Liverpool is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.3 °F | 36.7 °F | 3.15 in. |
| February | 21.4 °F | 39.8 °F | 2.57 in. |
| March | 28.9 °F | 49.0 °F | 3.69 in. |
| April | 39.0 °F | 62.2 °F | 3.78 in. |
| May | 49.5 °F | 72.1 °F | 4.15 in. |
| June | 58.7 °F | 80.5 °F | 4.19 in. |
| July | 62.7 °F | 85.0 °F | 4.39 in. |
| August | 61.2 °F | 83.1 °F | 4.22 in. |
| September | 53.9 °F | 76.3 °F | 4.75 in. |
| October | 42.6 °F | 64.1 °F | 4.15 in. |
| November | 32.8 °F | 52.4 °F | 3.22 in. |
| December | 25.6 °F | 41.3 °F | 3.57 in. |
| Annual | 41.4 °F | 61.9 °F | 45.83 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |