Temperature
Pleasant by day, brisk at night.
Brookhaven is usually most comfortable in April and October. Typical daytime highs range from 59–91°F across the year. Rain is frequent in many months.

Pleasant by day, brisk at night.
Several rainy days. About 8 wet days, the lowest monthly average.
Good sunshine this month.
In November, afternoons feel about 63° and nights feel near 45°.
Partly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 64°F, easing to about 58°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 59 | 40 | 4.7 | 10 | 6.7 | 72 |
| Feb | 63 | 44 | 4.6 | 10 | 7.4 | 73 |
| Mar | 70 | 50 | 4.7 | 11 | 8.7 | 70 |
| Apr | 76 | 56 | 4.4 | 9 | 9.9 | 71 |
| May | 84 | 64 | 3.9 | 11 | 11.2 | 72 |
| Jun | 89 | 71 | 3.9 | 14 | 11.9 | 74 |
| Jul | 91 | 73 | 4.4 | 17 | 11.8 | 76 |
| Aug | 91 | 72 | 4.6 | 15 | 11.0 | 74 |
| Sep | 87 | 67 | 3.4 | 10 | 10.3 | 72 |
| Oct | 78 | 57 | 3.5 | 8 | 9.1 | 70 |
| Nov | 68 | 47 | 3.5 | 8 | 7.9 | 73 |
| Dec | 61 | 43 | 4.5 | 10 | 6.9 | 75 |
Similar climates
Want a side-by-side climate view? Compare Brookhaven with New York City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 27, 2026
Data & methodology