Troutville, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 37.7 °F (low) to 57.9 °F (high). Annual precipitation averages 43.9 Inches. Troutville 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.9 °F | 32.8 °F | 3.15 in. |
| February | 17.9 °F | 35.9 °F | 2.41 in. |
| March | 24.6 °F | 44.7 °F | 3.22 in. |
| April | 35.3 °F | 58.8 °F | 3.66 in. |
| May | 45.7 °F | 69.4 °F | 3.87 in. |
| June | 54.4 °F | 76.4 °F | 4.48 in. |
| July | 58.5 °F | 80.3 °F | 4.77 in. |
| August | 57.0 °F | 79.1 °F | 4.0 in. |
| September | 50.3 °F | 72.4 °F | 4.05 in. |
| October | 39.3 °F | 60.5 °F | 3.4 in. |
| November | 30.0 °F | 47.9 °F | 3.37 in. |
| December | 22.9 °F | 37.1 °F | 3.5 in. |
| Annual | 37.7 °F | 57.9 °F | 43.88 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 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |