Waverly, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 37 °F (low) to 58 °F (high). Annual precipitation averages 45 Inches. Waverly is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.2 °F | 32.7 °F | 3.09 in. |
| February | 16.1 °F | 35.3 °F | 2.44 in. |
| March | 23.9 °F | 43.7 °F | 3.22 in. |
| April | 34.4 °F | 57.8 °F | 3.8 in. |
| May | 45.0 °F | 69.0 °F | 3.95 in. |
| June | 54.2 °F | 77.0 °F | 4.89 in. |
| July | 58.5 °F | 81.5 °F | 4.44 in. |
| August | 56.9 °F | 79.6 °F | 4.34 in. |
| September | 49.7 °F | 72.8 °F | 4.24 in. |
| October | 38.8 °F | 60.4 °F | 4.27 in. |
| November | 29.8 °F | 48.5 °F | 3.03 in. |
| December | 21.9 °F | 37.7 °F | 3.32 in. |
| Annual | 37 °F | 58 °F | 45.03 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 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 | Dfb - Humid Continental Mild Summer, Wet All Year |