| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°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 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 60a - Glaciated Low Plateau |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 18657 - Tunkhannock, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 16 | 25 | 35 | 45 | 54 | 59 | 57 | 50 | 39 | 31 | 21 | 37 |
| Avg Max Temp (°F) | 34 | 36 | 46 | 57 | 70 | 77 | 83 | 81 | 73 | 62 | 49 | 38 | 59 |
| Avg Precip (In.) | 2.15 | 2.02 | 2.51 | 3.1 | 3.39 | 3.87 | 3.77 | 3.13 | 3.64 | 2.75 | 2.88 | 2.34 | 35.55 |