Glenside, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 46.4 °F (low) to 63.9 °F (high). Annual precipitation averages 48.1 Inches. Glenside is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.3 °F | 40.4 °F | 3.46 in. |
| February | 26.8 °F | 43.1 °F | 2.77 in. |
| March | 33.6 °F | 51.1 °F | 4.25 in. |
| April | 43.6 °F | 63.0 °F | 3.73 in. |
| May | 53.3 °F | 72.6 °F | 4.05 in. |
| June | 62.9 °F | 81.7 °F | 4.37 in. |
| July | 68.4 °F | 86.2 °F | 4.62 in. |
| August | 66.8 °F | 84.5 °F | 4.96 in. |
| September | 59.6 °F | 78.1 °F | 4.41 in. |
| October | 47.9 °F | 66.1 °F | 3.89 in. |
| November | 37.8 °F | 55.1 °F | 3.22 in. |
| December | 30.5 °F | 45.2 °F | 4.36 in. |
| Annual | 46.4 °F | 63.9 °F | 48.09 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |