New Baltimore, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.3 °F (low) to 60.5 °F (high). Annual precipitation averages 41.1 Inches. New Baltimore is located in USDA Plant Hardiness Zone 6a. 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 | 18.1 °F | 35.8 °F | 3.11 in. |
| February | 19.5 °F | 39.1 °F | 2.72 in. |
| March | 26.0 °F | 47.7 °F | 3.68 in. |
| April | 36.5 °F | 61.3 °F | 3.66 in. |
| May | 46.4 °F | 70.9 °F | 4.36 in. |
| June | 54.8 °F | 78.6 °F | 4.21 in. |
| July | 59.0 °F | 82.7 °F | 3.59 in. |
| August | 57.1 °F | 81.4 °F | 3.2 in. |
| September | 50.0 °F | 74.8 °F | 3.54 in. |
| October | 39.2 °F | 62.8 °F | 3.01 in. |
| November | 29.7 °F | 50.6 °F | 2.85 in. |
| December | 23.2 °F | 40.2 °F | 3.19 in. |
| Annual | 38.3 °F | 60.5 °F | 41.12 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 6a : -10°F to -5°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 |