| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 64a - Triassic Lowlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 18969 - Telford, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 21 | 29 | 38 | 48 | 58 | 63 | 61 | 53 | 41 | 33 | 25 | 41 |
| Avg Max Temp (°F) | 38 | 40 | 50 | 62 | 72 | 81 | 85 | 83 | 76 | 65 | 53 | 42 | 62 |
| Avg Precip (In.) | 3.79 | 2.75 | 3.68 | 3.77 | 4.51 | 3.93 | 4.33 | 4.11 | 4.43 | 3.48 | 3.78 | 3.48 | 46.02 |