| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | Apr. 21 - Apr. 30 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 67b - Northern Shale Valleys | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 19534 - Lenhartsville, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 19 | 28 | 36 | 46 | 55 | 60 | 58 | 51 | 38 | 31 | 22 | 38 |
| Avg Max Temp (°F) | 36 | 39 | 49 | 61 | 71 | 80 | 84 | 83 | 75 | 64 | 52 | 41 | 61 |
| Avg Precip (In.) | 3.96 | 2.91 | 3.8 | 3.8 | 4.89 | 4.73 | 4.45 | 4.14 | 4.59 | 3.74 | 4.06 | 3.73 | 48.82 |