| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 67d - Northern Dissected Ridges and Knobs |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 16870 - Port Matilda, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 19 | 26 | 36 | 46 | 55 | 60 | 58 | 51 | 40 | 32 | 23 | 39 |
| Avg Max Temp (°F) | 33 | 36 | 46 | 59 | 69 | 77 | 81 | 79 | 72 | 60 | 48 | 37 | 58 |
| Avg Precip (In.) | 2.76 | 2.49 | 3.29 | 3.16 | 3.84 | 4.42 | 3.82 | 3.4 | 3.72 | 3 | 3.27 | 2.73 | 39.88 |