| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F 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: | 61c - Low Lime Drift Plain |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 16125 - Greenville, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 16 | 24 | 34 | 44 | 54 | 58 | 56 | 49 | 38 | 30 | 21 | 37 |
| Avg Max Temp (°F) | 33 | 36 | 46 | 58 | 70 | 79 | 83 | 81 | 74 | 62 | 49 | 38 | 59 |
| Avg Precip (In.) | 2.16 | 1.88 | 2.88 | 3.41 | 3.78 | 4.4 | 4.19 | 3.81 | 4.2 | 2.92 | 3.39 | 2.88 | 39.9 |