Nittany, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.2 °F (low) to 60.2 °F (high). Annual precipitation averages 42.9 Inches. Nittany is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.2 °F | 34.5 °F | 2.93 in. |
| February | 19.3 °F | 37.8 °F | 2.33 in. |
| March | 26.3 °F | 46.9 °F | 3.32 in. |
| April | 36.7 °F | 60.7 °F | 3.58 in. |
| May | 47.2 °F | 71.6 °F | 4.13 in. |
| June | 56.4 °F | 79.4 °F | 3.94 in. |
| July | 60.4 °F | 83.7 °F | 4.22 in. |
| August | 58.7 °F | 81.8 °F | 4.24 in. |
| September | 51.5 °F | 74.5 °F | 4.27 in. |
| October | 40.4 °F | 62.5 °F | 3.73 in. |
| November | 30.9 °F | 50.0 °F | 3.03 in. |
| December | 23.9 °F | 38.9 °F | 3.16 in. |
| Annual | 39.2 °F | 60.2 °F | 42.88 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |