| 2023 Hardiness Zone: | Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F | |
| Average First Frost Date: | Sep. 21 - Sep. 30 | |
| Average Last Frost Date: | Jun. 1 - Jun. 10 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 62d - Unglaciated Allegheney High Plateau | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 16749 - Smethport, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 13 | 14 | 22 | 31 | 41 | 49 | 54 | 53 | 46 | 36 | 29 | 19 | 34 |
| Avg Max Temp (°F) | 31 | 34 | 44 | 56 | 68 | 76 | 79 | 78 | 70 | 59 | 46 | 35 | 56 |
| Avg Precip (In.) | 3.06 | 2.42 | 3.45 | 3.55 | 3.87 | 5.55 | 4.29 | 4.18 | 4.43 | 3.44 | 3.74 | 3.51 | 45.49 |