| 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 5a: -20°F to -15°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F | |
| Average First Frost Date: | Sep. 21 - Sep. 30 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 67b - Northern Shale Valleys | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 18661 - White Haven, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 13 | 14 | 23 | 33 | 43 | 52 | 57 | 55 | 47 | 36 | 28 | 19 | 35 |
| Avg Max Temp (°F) | 31 | 35 | 44 | 56 | 67 | 75 | 79 | 78 | 70 | 59 | 47 | 36 | 56 |
| Avg Precip (In.) | 3.2 | 2.58 | 3.32 | 3.81 | 4.47 | 4.76 | 4.37 | 4.23 | 4.73 | 3.67 | 3.79 | 3.23 | 46.18 |