| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F | |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Nov. 11 - Nov. 20 | |
| Average Last Frost Date: | Apr. 1 - Apr. 10 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 59g - Long Island Sound Coastal Lowland | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 11209 - Brooklyn, NY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 25 | 27 | 34 | 43 | 53 | 62 | 68 | 67 | 59 | 48 | 39 | 30 | 46 |
| Avg Max Temp (°F) | 39 | 42 | 50 | 60 | 71 | 80 | 85 | 83 | 76 | 65 | 54 | 44 | 62 |
| Avg Precip (In.) | 3.83 | 2.99 | 4.09 | 4.06 | 4.42 | 3.69 | 4.46 | 4.17 | 4.26 | 3.46 | 3.92 | 3.66 | 46.99 |