New Salem, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.6 °F (low) to 63.2 °F (high). Annual precipitation averages 44.5 Inches. New Salem 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 | 21.8 °F | 38.9 °F | 3.29 in. |
| February | 23.2 °F | 42.0 °F | 2.86 in. |
| March | 29.9 °F | 51.1 °F | 3.63 in. |
| April | 39.7 °F | 63.8 °F | 3.71 in. |
| May | 50.0 °F | 73.0 °F | 4.37 in. |
| June | 58.6 °F | 80.3 °F | 4.57 in. |
| July | 62.7 °F | 83.8 °F | 4.62 in. |
| August | 61.2 °F | 82.9 °F | 3.8 in. |
| September | 54.3 °F | 76.8 °F | 3.55 in. |
| October | 42.8 °F | 65.0 °F | 3.13 in. |
| November | 33.4 °F | 53.2 °F | 3.21 in. |
| December | 26.8 °F | 43.1 °F | 3.37 in. |
| Annual | 42 °F | 62.8 °F | 44.11 in. |
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.8 °F | 39.3 °F | 3.17 in. |
| February | 24.1 °F | 42.1 °F | 2.71 in. |
| March | 31.3 °F | 50.9 °F | 3.92 in. |
| April | 41.7 °F | 63.3 °F | 3.49 in. |
| May | 51.3 °F | 72.8 °F | 4.02 in. |
| June | 60.6 °F | 81.1 °F | 3.86 in. |
| July | 65.0 °F | 85.4 °F | 4.17 in. |
| August | 63.1 °F | 83.7 °F | 3.88 in. |
| September | 56.1 °F | 77.2 °F | 4.87 in. |
| October | 44.9 °F | 65.4 °F | 3.82 in. |
| November | 35.1 °F | 54.2 °F | 3.13 in. |
| December | 27.6 °F | 43.5 °F | 3.48 in. |
| Annual | 43.6 °F | 63.2 °F | 44.52 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 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |
| 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 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |