Austin, Pennsylvania has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.5 °F (low) to 57.5 °F (high). Annual precipitation averages 44.1 Inches. Austin is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 14.7 °F | 32.0 °F | 3.15 in. |
| February | 15.3 °F | 34.9 °F | 2.33 in. |
| March | 22.4 °F | 44.0 °F | 3.13 in. |
| April | 32.4 °F | 57.7 °F | 3.95 in. |
| May | 42.9 °F | 69.4 °F | 3.65 in. |
| June | 51.7 °F | 76.4 °F | 4.2 in. |
| July | 55.9 °F | 80.3 °F | 4.73 in. |
| August | 55.0 °F | 78.7 °F | 3.93 in. |
| September | 48.5 °F | 72.4 °F | 4.43 in. |
| October | 37.4 °F | 60.2 °F | 4.09 in. |
| November | 28.8 °F | 47.4 °F | 3.38 in. |
| December | 21.5 °F | 36.4 °F | 3.1 in. |
| Annual | 35.5 °F | 57.5 °F | 44.07 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°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 |