| 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 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: | 61c - Low Lime Drift Plain |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 16143 - Pulaski, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 18 | 26 | 35 | 46 | 55 | 59 | 57 | 51 | 39 | 32 | 23 | 38 |
| Avg Max Temp (°F) | 35 | 38 | 49 | 60 | 72 | 80 | 84 | 82 | 75 | 64 | 51 | 40 | 61 |
| Avg Precip (In.) | 2.42 | 2.15 | 3.02 | 3.3 | 3.6 | 4.37 | 4.15 | 3.63 | 3.89 | 2.67 | 3.27 | 2.91 | 39.39 |