| 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: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 84d - Inner Coastal Plain |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 07760 - Rumson, NJ | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 26 | 33 | 41 | 51 | 61 | 67 | 66 | 59 | 47 | 39 | 30 | 45 |
| Avg Max Temp (°F) | 39 | 41 | 49 | 59 | 69 | 78 | 83 | 82 | 75 | 64 | 54 | 45 | 62 |
| Avg Precip (In.) | 4.02 | 3.18 | 4.17 | 4.08 | 4.38 | 3.48 | 4.42 | 4.6 | 4.02 | 3.62 | 3.97 | 3.84 | 47.77 |