Claysburg, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 39.9 °F (low) to 60.6 °F (high). Annual precipitation averages 41.3 Inches. Claysburg 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.5 °F | 36.0 °F | 2.89 in. |
| February | 20.6 °F | 39.1 °F | 2.46 in. |
| March | 27.2 °F | 47.7 °F | 3.42 in. |
| April | 37.7 °F | 61.0 °F | 3.62 in. |
| May | 47.8 °F | 70.7 °F | 4.05 in. |
| June | 56.6 °F | 78.7 °F | 3.95 in. |
| July | 60.9 °F | 83.2 °F | 3.67 in. |
| August | 59.2 °F | 81.7 °F | 3.56 in. |
| September | 52.3 °F | 74.8 °F | 3.95 in. |
| October | 41.0 °F | 63.1 °F | 3.39 in. |
| November | 31.4 °F | 50.9 °F | 3.12 in. |
| December | 24.5 °F | 40.2 °F | 3.24 in. |
| Annual | 39.9 °F | 60.6 °F | 41.32 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 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 |