Boalsburg, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.3 °F (low) to 59.5 °F (high). Annual precipitation averages 41.8 Inches. Boalsburg 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.5 °F | 34.5 °F | 2.78 in. |
| February | 19.4 °F | 37.5 °F | 2.31 in. |
| March | 26.5 °F | 46.3 °F | 3.35 in. |
| April | 37.1 °F | 59.9 °F | 3.59 in. |
| May | 47.5 °F | 70.4 °F | 3.92 in. |
| June | 56.4 °F | 78.0 °F | 4.02 in. |
| July | 60.5 °F | 82.3 °F | 3.94 in. |
| August | 58.8 °F | 80.5 °F | 4.09 in. |
| September | 51.4 °F | 73.6 °F | 4.15 in. |
| October | 40.6 °F | 61.7 °F | 3.69 in. |
| November | 31.3 °F | 49.9 °F | 2.81 in. |
| December | 24.0 °F | 38.8 °F | 3.15 in. |
| Annual | 39.3 °F | 59.5 °F | 41.8 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 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |