| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | 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: | May 1 - May 10 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 64a - Triassic Lowlands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 17353 - Orrtanna, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 22 | 30 | 40 | 50 | 59 | 63 | 62 | 55 | 43 | 34 | 25 | 42 |
| Avg Max Temp (°F) | 37 | 41 | 50 | 62 | 72 | 80 | 84 | 82 | 75 | 64 | 52 | 41 | 62 |
| Avg Precip (In.) | 3.46 | 2.88 | 3.93 | 3.63 | 4.34 | 4.2 | 3.54 | 3.4 | 4.12 | 3.43 | 3.57 | 3.26 | 43.77 |