| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°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. 11 - Oct. 20 |
| Average Last Frost Date: | May 11 - May 20 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 70c - Pittsburgh Low Plateau |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 15851 - Reynoldsville, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 17 | 25 | 34 | 45 | 53 | 58 | 56 | 50 | 39 | 31 | 21 | 37 |
| Avg Max Temp (°F) | 32 | 35 | 45 | 58 | 69 | 76 | 80 | 78 | 71 | 60 | 47 | 37 | 57 |
| Avg Precip (In.) | 3.02 | 2.68 | 3.55 | 3.47 | 4.01 | 5.09 | 4.22 | 4.04 | 4 | 2.98 | 3.42 | 3.35 | 43.83 |