Topton, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42 °F (low) to 62.3 °F (high). Annual precipitation averages 50 Inches. Topton is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.9 °F | 37.5 °F | 3.52 in. |
| February | 22.1 °F | 40.3 °F | 2.85 in. |
| March | 29.7 °F | 49.0 °F | 3.8 in. |
| April | 39.7 °F | 62.0 °F | 3.89 in. |
| May | 49.8 °F | 72.0 °F | 4.13 in. |
| June | 59.0 °F | 80.5 °F | 4.93 in. |
| July | 63.5 °F | 85.2 °F | 5.2 in. |
| August | 62.0 °F | 83.4 °F | 4.77 in. |
| September | 54.5 °F | 77.0 °F | 5.11 in. |
| October | 42.9 °F | 65.0 °F | 4.46 in. |
| November | 33.4 °F | 53.1 °F | 3.36 in. |
| December | 26.2 °F | 42.4 °F | 3.97 in. |
| Annual | 42 °F | 62.3 °F | 49.99 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |