| 2023 Hardiness Zone: | 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 6b: -5F to 0F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 70b - Monongahela Transition Zone |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 15021 - Burgettstown, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 19 | 27 | 36 | 45 | 55 | 59 | 58 | 51 | 40 | 32 | 24 | 39 |
| Avg Max Temp (°F) | 36 | 40 | 50 | 61 | 71 | 79 | 83 | 81 | 75 | 64 | 52 | 40 | 61 |
| Avg Precip (In.) | 2.75 | 2.44 | 3.15 | 3.14 | 4.12 | 4.1 | 4.27 | 3.78 | 3.32 | 2.62 | 3.11 | 2.86 | 39.66 |