Weather World
Town of Brookhaven, NY
Brookhaven Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 39°F Lo 30°F | Hi 40°F Lo 30°F | Hi 45°F Lo 36°F | Hi 53°F Lo 45°F | Hi 62°F Lo 54°F | Hi 71°F Lo 63°F | Hi 78°F Lo 71°F | Hi 78°F Lo 71°F | Hi 72°F Lo 65°F | Hi 63°F Lo 56°F | Hi 53°F Lo 45°F | Hi 45°F Lo 37°F |
| 14 mph | 13 mph | 13 mph | 12 mph | 10 mph | 10 mph | 9 mph | 9 mph | 11 mph | 13 mph | 13 mph | 14 mph |
| 4.2 in | 4.9 in | 5.5 in | 4.8 in | 4.9 in | 4.7 in | 5.2 in | 4.6 in | 4.4 in | 5.8 in | 4.2 in | 6.9 in |
| 71% | 74% | 72% | 74% | 79% | 79% | 78% | 75% | 74% | 72% | 69% | 73% |
| 45% | 48% | 47% | 45% | 43% | 37% | 33% | 33% | 36% | 41% | 37% | 48% |
| 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 29.9 in | 30.0 in | 30.0 in | 30.0 in | 30.0 in | 30.1 in | 30.1 in |
| 22 | 19 | 23 | 23 | 24 | 23 | 24 | 25 | 24 | 24 | 24 | 23 |
| 7 | 7 | 7 | 6 | 7 | 7 | 7 | 6 | 6 | 7 | 6 | 7 |
| 2 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 |
| 1 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 4 | 4 | 2 | 2 |
| 177 | 155 | 174 | 172 | 200 | 217 | 240 | 238 | 216 | 186 | 200 | 165 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 4°C Lo -1°C | Hi 4°C Lo -1°C | Hi 7°C Lo 2°C | Hi 12°C Lo 7°C | Hi 17°C Lo 12°C | Hi 22°C Lo 17°C | Hi 26°C Lo 22°C | Hi 25°C Lo 22°C | Hi 22°C Lo 18°C | Hi 17°C Lo 13°C | Hi 12°C Lo 7°C | Hi 7°C Lo 3°C |
| 22 km/h | 21 km/h | 21 km/h | 19 km/h | 17 km/h | 16 km/h | 15 km/h | 15 km/h | 17 km/h | 20 km/h | 22 km/h | 22 km/h |
| 107 mm | 124 mm | 139 mm | 122 mm | 124 mm | 120 mm | 132 mm | 116 mm | 112 mm | 146 mm | 107 mm | 176 mm |
| 71% | 74% | 72% | 74% | 79% | 79% | 78% | 75% | 74% | 72% | 69% | 73% |
| 45% | 48% | 47% | 45% | 43% | 37% | 33% | 33% | 36% | 41% | 37% | 48% |
| 1017 mb | 1017 mb | 1017 mb | 1016 mb | 1016 mb | 1014 mb | 1014 mb | 1016 mb | 1018 mb | 1017 mb | 1019 mb | 1018 mb |
| 22 | 19 | 23 | 23 | 24 | 23 | 24 | 25 | 24 | 24 | 24 | 23 |
| 7 | 7 | 7 | 6 | 7 | 7 | 7 | 6 | 6 | 7 | 6 | 7 |
| 2 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 1 |
| 1 | 2 | 2 | 3 | 5 | 6 | 6 | 6 | 4 | 4 | 2 | 2 |
| 177 | 155 | 174 | 172 | 200 | 217 | 240 | 238 | 216 | 186 | 200 | 165 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.