| 2023 Hardiness Zone: | 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 6b: -5F to 0F | |
| 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: | 67a - Northern Limestone/Dolomite Valleys | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 18040 - Easton, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 20 | 28 | 37 | 47 | 57 | 61 | 59 | 52 | 40 | 32 | 24 | 40 |
| Avg Max Temp (°F) | 38 | 41 | 51 | 62 | 73 | 81 | 86 | 84 | 76 | 66 | 54 | 42 | 63 |
| Avg Precip (In.) | 3.77 | 2.84 | 3.73 | 3.78 | 4.57 | 4.11 | 4.37 | 4.22 | 4.52 | 3.48 | 3.88 | 3.62 | 46.89 |