Crystal Brook, NY
Unincorporated community in Suffolk County, New York
Crystal Brook is a small unincorporated community in Suffolk County, New York. It is 0.7 miles SW of Port Jefferson, the nearest town. Its ZIP code is 11766.
Crystal Brook at a glance
- State
- New York
- County
- Suffolk County
- ZIP code
- 11766
- Nearest town
- Port Jefferson (0.7 mi)
- Time zone
- America/New York
- Coordinates
- 40.9478, -73.0425
Weather in Crystal Brook now
Loading the National Weather Service forecast…
Crystal Brook weather by the hour
Crystal Brook weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Crystal Brook.
This week in Crystal Brook
Sunrise, sunset and moon in Crystal Brook
What is the weather usually like in Crystal Brook?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 83°F average high
- Januarycoldest month · 26°F average low
- 48.5 inprecipitation per year · 1,232 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Crystal Brook: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MT SINAI, NY US (USC00305606), adjusted for the elevation of Crystal Brook.
Crystal Brook weather month by month
Sunrise and sunset in Crystal Brook through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:12 AM | 4:50 PM | 9 h 37 min |
| February | 6:44 AM | 5:27 PM | 10 h 43 min |
| March | 7:01 AM | 7:00 PM | 11 h 58 min |
| April | 6:11 AM | 7:33 PM | 13 h 22 min |
| May | 5:32 AM | 8:04 PM | 14 h 31 min |
| June | 5:17 AM | 8:27 PM | 15 h 9 min |
| July | 5:31 AM | 8:24 PM | 14 h 52 min |
| August | 6:00 AM | 7:52 PM | 13 h 51 min |
| September | 6:31 AM | 7:02 PM | 12 h 31 min |
| October | 7:02 AM | 6:13 PM | 11 h 10 min |
| November | 6:38 AM | 4:35 PM | 9 h 56 min |
| December | 7:08 AM | 4:26 PM | 9 h 18 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Crystal Brook?
Crystal Brook has a humid subtropical climate. The warmest month is July, with an average high of 83°F (28°C), and the coldest is January, with average lows of 26°F (-3°C).
It gets about 48.5 inches (1,232 mm) of precipitation a year. The wettest month is March and the driest is February.
The best time to visit Crystal Brook is May–June and August–September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
Webcams near Crystal Brook
The closest live webcam is South Setauket › North: Stony Brook, 4.5 miles SW of Crystal Brook.
Webcams: Windy.com. Distances in a straight line from Crystal Brook.
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Map of Crystal Brook, NY
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Crystal Brook Street View
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Open in Google Maps ›Towns near Crystal Brook
Other communities near Crystal Brook
- Woodhull Landing3.3 mi NE
- South Setauket4.1 mi SW
- Rocky Point Landing4.7 mi E
- Siegfield Park9.1 mi SE
- Siegfield Park9.1 mi SE
- Upton9.7 mi SE
- Wading River Landing9.9 mi E
- The Landing10.0 mi SW
- San Remo10.4 mi SW
- Wildwood12.1 mi E
- Hulse Landing12.1 mi E
- South Haven12.8 mi SE
- Hagerman12.9 mi S
- South Manor13.3 mi SE
- Squassux Landing14.2 mi SE
Questions about Crystal Brook
Where is Crystal Brook, NY?
Crystal Brook is an unincorporated community in Suffolk County, New York, 0.7 miles SW of Port Jefferson.
What county is Crystal Brook in?
Crystal Brook is in Suffolk County, New York.
What is the ZIP code of Crystal Brook, NY?
The ZIP code for Crystal Brook is 11766.
What is the nearest town to Crystal Brook?
Port Jefferson, 0.7 miles away.
Are there webcams near Crystal Brook?
Yes. The closest is South Setauket › North: Stony Brook, 4.5 miles away.
What is the hottest month in Crystal Brook?
July, with an average high of 83°F (28°C).
What is the coldest month in Crystal Brook?
January, with an average low of 26°F (-3°C).
How much does it rain in Crystal Brook?
About 48.5 inches (1,232 mm) a year; the wettest month is March.
Does it snow in Crystal Brook?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Crystal Brook?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Crystal Brook have?
Humid subtropical (Köppen Cfa).
Last updated: