| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 2012 Hardiness Zone: | Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 70c - Pittsburgh Low Plateau |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 16319 - Cranberry, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 16 | 24 | 33 | 43 | 52 | 57 | 56 | 49 | 38 | 30 | 21 | 36 |
| Avg Max Temp (°F) | 34 | 37 | 47 | 59 | 70 | 79 | 82 | 81 | 73 | 62 | 49 | 38 | 59 |
| Avg Precip (In.) | 2.7 | 2.37 | 3.28 | 3.59 | 3.9 | 5.02 | 4.79 | 4.17 | 4.28 | 3.13 | 3.62 | 3.2 | 44.05 |