Valley Green, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.7 °F (low) to 62.8 °F (high). Annual precipitation averages 44.6 Inches. Valley Green is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.3 °F | 38.2 °F | 3.1 in. |
| February | 23.4 °F | 40.9 °F | 2.59 in. |
| March | 31.1 °F | 49.9 °F | 3.8 in. |
| April | 41.5 °F | 62.6 °F | 3.47 in. |
| May | 51.6 °F | 72.6 °F | 4.01 in. |
| June | 61.1 °F | 81.2 °F | 4.11 in. |
| July | 65.4 °F | 86.0 °F | 4.51 in. |
| August | 63.7 °F | 84.2 °F | 3.8 in. |
| September | 56.4 °F | 77.1 °F | 4.63 in. |
| October | 45.0 °F | 65.0 °F | 4.05 in. |
| November | 35.0 °F | 53.5 °F | 3.1 in. |
| December | 27.4 °F | 42.7 °F | 3.42 in. |
| Annual | 43.7 °F | 62.8 °F | 44.59 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |