| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F | |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| 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 08109 - Merchantville, NJ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 25 | 33 | 41 | 51 | 61 | 66 | 64 | 57 | 45 | 37 | 28 | 44 |
| Avg Max Temp (°F) | 41 | 44 | 54 | 64 | 74 | 83 | 87 | 85 | 78 | 67 | 56 | 45 | 65 |
| Avg Precip (In.) | 3.82 | 2.89 | 4.09 | 3.91 | 4.37 | 3.91 | 4.68 | 4.76 | 4.17 | 3.38 | 3.53 | 3.6 | 47.11 |