| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F 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 Zone 7a: 0°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: | 67b - Northern Shale Valleys |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 15545 - Hyndman, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 21 | 28 | 37 | 46 | 55 | 59 | 58 | 51 | 39 | 32 | 24 | 39 |
| Avg Max Temp (°F) | 37 | 41 | 51 | 63 | 73 | 80 | 84 | 83 | 76 | 65 | 52 | 41 | 62 |
| Avg Precip (In.) | 2.52 | 2.37 | 3.28 | 3.3 | 3.92 | 3.66 | 4.23 | 3.26 | 3.23 | 2.84 | 3.1 | 2.76 | 38.46 |