| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 70c - Pittsburgh Low Plateau |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 15044 - Gibsonia, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 20 | 28 | 37 | 47 | 55 | 60 | 59 | 52 | 41 | 32 | 23 | 39 |
| Avg Max Temp (°F) | 36 | 40 | 50 | 61 | 71 | 79 | 83 | 82 | 75 | 64 | 51 | 40 | 61 |
| Avg Precip (In.) | 2.67 | 2.34 | 3.12 | 3.15 | 4.26 | 4.09 | 4 | 3.35 | 3.36 | 2.62 | 3.22 | 3.12 | 39.31 |