Claysville, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.6 °F (low) to 61.6 °F (high). Annual precipitation averages 41.8 Inches. Claysville 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 | 19.3 °F | 37.2 °F | 3.35 in. |
| February | 20.6 °F | 40.1 °F | 2.53 in. |
| March | 27.7 °F | 49.4 °F | 3.33 in. |
| April | 37.7 °F | 62.4 °F | 3.41 in. |
| May | 47.3 °F | 71.8 °F | 4.22 in. |
| June | 56.3 °F | 79.3 °F | 4.25 in. |
| July | 60.1 °F | 82.9 °F | 4.12 in. |
| August | 58.4 °F | 81.9 °F | 3.51 in. |
| September | 51.6 °F | 76.0 °F | 3.78 in. |
| October | 40.0 °F | 64.0 °F | 3.08 in. |
| November | 31.5 °F | 52.1 °F | 3.05 in. |
| December | 24.2 °F | 41.6 °F | 3.19 in. |
| Annual | 39.6 °F | 61.6 °F | 41.82 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 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |