Houston, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.2 °F (low) to 62.1 °F (high). Annual precipitation averages 41.7 Inches. Houston 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 | 20.8 °F | 37.5 °F | 3.23 in. |
| February | 22.0 °F | 40.3 °F | 2.48 in. |
| March | 29.1 °F | 49.5 °F | 3.38 in. |
| April | 38.7 °F | 62.9 °F | 3.37 in. |
| May | 48.7 °F | 72.3 °F | 4.24 in. |
| June | 57.8 °F | 80.0 °F | 4.43 in. |
| July | 61.9 °F | 84.3 °F | 4.26 in. |
| August | 60.5 °F | 82.9 °F | 3.48 in. |
| September | 53.7 °F | 76.7 °F | 3.53 in. |
| October | 42.2 °F | 64.5 °F | 3.11 in. |
| November | 32.9 °F | 52.4 °F | 3.0 in. |
| December | 26.0 °F | 42.1 °F | 3.18 in. |
| Annual | 41.2 °F | 62.1 °F | 41.69 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 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |