| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°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. 11 - Oct. 20 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 67e - Anthracite Subregion |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 18705 - Wilkes Barre, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 17 | 26 | 35 | 46 | 54 | 59 | 58 | 50 | 39 | 31 | 21 | 38 |
| Avg Max Temp (°F) | 33 | 36 | 46 | 58 | 70 | 77 | 82 | 80 | 72 | 61 | 48 | 38 | 58 |
| Avg Precip (In.) | 2.69 | 2.24 | 2.75 | 3.45 | 3.85 | 4.16 | 4.08 | 3.51 | 4.16 | 3.38 | 3.22 | 2.73 | 40.21 |