State College, 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 59.4 °F (high). Annual precipitation averages 41.5 Inches. State College 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 | 2.85 in. |
| February | 19.4 °F | 37.6 °F | 2.38 in. |
| March | 26.4 °F | 46.3 °F | 3.33 in. |
| April | 37.1 °F | 59.7 °F | 3.52 in. |
| May | 47.4 °F | 70.2 °F | 3.76 in. |
| June | 56.3 °F | 77.8 °F | 4.04 in. |
| July | 60.4 °F | 82.1 °F | 3.85 in. |
| August | 58.7 °F | 80.4 °F | 4.08 in. |
| September | 51.3 °F | 73.5 °F | 4.0 in. |
| October | 40.6 °F | 61.6 °F | 3.6 in. |
| November | 31.4 °F | 49.9 °F | 2.91 in. |
| December | 24.0 °F | 38.8 °F | 3.13 in. |
| Annual | 39.3 °F | 59.4 °F | 41.45 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 |