Newry, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 40.1 °F (low) to 60.8 °F (high). Annual precipitation averages 40.5 Inches. Newry is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.6 °F | 36.2 °F | 2.76 in. |
| February | 20.6 °F | 39.3 °F | 2.36 in. |
| March | 27.3 °F | 47.9 °F | 3.27 in. |
| April | 37.7 °F | 61.2 °F | 3.43 in. |
| May | 48.0 °F | 71.1 °F | 4.05 in. |
| June | 56.9 °F | 79.1 °F | 3.84 in. |
| July | 61.1 °F | 83.5 °F | 3.53 in. |
| August | 59.5 °F | 82.0 °F | 3.6 in. |
| September | 52.6 °F | 74.9 °F | 4.02 in. |
| October | 41.3 °F | 63.2 °F | 3.45 in. |
| November | 31.6 °F | 51.2 °F | 3.1 in. |
| December | 24.7 °F | 40.4 °F | 3.13 in. |
| Annual | 40.1 °F | 60.8 °F | 40.54 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 |