| 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 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 67b - Northern Shale Valleys |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 18343 - Mount Bethel, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 17 | 26 | 36 | 46 | 55 | 59 | 58 | 50 | 38 | 31 | 22 | 38 |
| Avg Max Temp (°F) | 36 | 39 | 49 | 61 | 72 | 80 | 84 | 82 | 74 | 63 | 51 | 40 | 61 |
| Avg Precip (In.) | 3.9 | 2.95 | 3.89 | 3.99 | 4.85 | 4.47 | 4.4 | 4.29 | 4.77 | 3.74 | 4.1 | 3.8 | 49.14 |