| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°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: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 67e - Anthracite Subregion | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 18509 - Scranton, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 17 | 26 | 35 | 45 | 54 | 59 | 57 | 50 | 39 | 31 | 22 | 38 |
| Avg Max Temp (°F) | 34 | 36 | 46 | 58 | 70 | 78 | 82 | 80 | 73 | 62 | 48 | 38 | 59 |
| Avg Precip (In.) | 2.49 | 1.99 | 2.54 | 3.18 | 3.59 | 4.03 | 3.85 | 3.08 | 3.79 | 2.95 | 3.01 | 2.43 | 36.91 |