Old Westbury, New York Climate
United States
Pop. 4,678 Elev. 57 m / 187 ft
TZ: America/New_York (UTC-4) ·
Old Westbury has mild summers with average highs of 81°F (27°C) in July, and cold winters averaging 28°F (-2°C) in January. Humidity pushes the summer feels-like temperature to 87°F (31°C), while wind chill can drive winter lows to 18°F (-8°C). Rain falls on about 66 days per year (40.8 in / 1036 mm total), with snow on 3 days and 25 in (630 mm) of annual accumulation. The city averages 132 sunny days per year and around 30 thunderstorm days. Ocean water temperatures reach 80°F (26°C) in summer.
| Temperature | 81°F (27°C) high | 28°F (-2°C) low |
| Feels like | 87°F (30°C) high | 18°F (-8°C) low |
| Rain | 66 days | 40.8 in (1036 mm) /yr |
| Snow | 3 days | 24.8 in (630 mm) /yr |
| Sky | 132 sunny | 30 stormy |
| Wind | 4.4 mph (1.9 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jun, Jul, Aug, Sep
Sky & Air by Month
Cloud cover (%)
41
Jan 62
Feb 54
Mar 67
Apr 71
May 66
Jun 56
Jul 42
Aug 52
Sep 42
Oct 49
Nov 56
Dec Humidity (%)
63
Jan 67
Feb 67
Mar 68
Apr 78
May 78
Jun 78
Jul 72
Aug 77
Sep 70
Oct 66
Nov 67
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 14 mi John F. Kennedy International Airport (JFK)
Ski resort 25 mi Big Snow American Dream
National park 123 mi Connecticut River Greenway State Park
Mountain peak
(4,971 ft) 230 mi Schofield Cobble
Hospital 4 mi NYU Winthrop Hospital
Hiking trail 7 mi Red Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 36°F 2°C | 28°F -2°C | 0.9 in 24 mm | 4.6 in117 mm | 17 |
| February | 39°F 4°C | 30°F -1°C | 2.8 in 70 mm | 10.1 in257 mm | 6 |
| March | 49°F 10°C | 39°F 4°C | 4.3 in 109 mm | — | 10 |
| April | 56°F 13°C | 47°F 8°C | 4.4 in 111 mm | 0.1 in1 mm | 5 |
| May | 63°F 17°C | 56°F 13°C | 6.5 in 165 mm | — | 7 |
| June | 74°F 23°C | 66°F 19°C | 2.4 in 60 mm | — | 7 |
| July | 81°F 27°C | 74°F 23°C | 3.7 in 94 mm | — | 11 |
| August | 76°F 24°C | 68°F 20°C | 1.9 in 47 mm | — | 17 |
| September | 73°F 23°C | 66°F 19°C | 2.9 in 72 mm | — | 11 |
| October | 63°F 17°C | 55°F 13°C | 6.5 in 166 mm | — | 18 |
| November | 52°F 11°C | 44°F 7°C | 2.5 in 63 mm | 0.0 in1 mm | 14 |
| December | 40°F 5°C | 31°F 0°C | 2.2 in 55 mm | 10.0 in254 mm | 9 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 17 | 1 |
| February | 6 | 1 |
| March | 10 | 1 |
| April | 5 | 2 |
| May | 7 | 7 |
| June | 7 | 1 |
| July | 11 | 5 |
| August | 17 | 2 |
| September | 11 | 4 |
| October | 18 | 4 |
| November | 14 | 1 |
| December | 9 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 44°F 6°C | 36°F 2°C |
| February | 39°F 4°C | 35°F 2°C |
| March | 45°F 7°C | 40°F 4°C |
| April | 51°F 10°C | 47°F 8°C |
| May | 58°F 14°C | 57°F 14°C |
| June | 73°F 23°C | 68°F 20°C |
| July | 80°F 26°C | 78°F 26°C |
| August | 78°F 26°C | 74°F 24°C |
| September | 73°F 23°C | 70°F 21°C |
| October | 70°F 21°C | 62°F 17°C |
| November | 59°F 15°C | 51°F 11°C |
| December | 51°F 10°C | 41°F 5°C |