| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F | |
| 2012 Hardiness Zone: | Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 84d - Inner Coastal Plain | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 08343 - Monroeville, NJ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 25 | 33 | 42 | 51 | 61 | 66 | 65 | 57 | 45 | 37 | 29 | 45 |
| Avg Max Temp (°F) | 41 | 44 | 53 | 63 | 74 | 82 | 87 | 85 | 78 | 67 | 56 | 45 | 64 |
| Avg Precip (In.) | 3.77 | 2.86 | 4.12 | 3.77 | 4.12 | 3.75 | 4.33 | 4.28 | 3.98 | 3.41 | 3.48 | 3.62 | 45.49 |