| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°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. 1 - Oct. 10 |
| Average Last Frost Date: | May 21 - May 31 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 62d - Unglaciated Allegheney High Plateau |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 15834 - Emporium, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 15 | 24 | 34 | 43 | 52 | 57 | 56 | 49 | 38 | 30 | 21 | 36 |
| Avg Max Temp (°F) | 32 | 36 | 46 | 59 | 70 | 78 | 82 | 80 | 73 | 62 | 48 | 37 | 58 |
| Avg Precip (In.) | 3.07 | 2.58 | 3.43 | 3.53 | 3.88 | 5.07 | 4.26 | 4.09 | 4.08 | 3.33 | 3.76 | 3.29 | 44.35 |