| 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 6a: -10F to -5F |
| 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: | 67a - Northern Limestone/Dolomite Valleys |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 17004 - Belleville, PA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 18 | 20 | 28 | 37 | 47 | 56 | 60 | 59 | 51 | 40 | 32 | 23 | 39 |
| Avg Max Temp (°F) | 35 | 39 | 48 | 61 | 71 | 79 | 83 | 82 | 74 | 63 | 51 | 39 | 60 |
| Avg Precip (In.) | 3.01 | 2.67 | 3.49 | 3.3 | 4.35 | 4.84 | 4.4 | 3.29 | 3.76 | 3.12 | 3.71 | 3.17 | 43.1 |