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Sound Beach CDP, New York

Official LSAD Designation: Sound Beach CDP • Census GEOID: 3668374 • Suffolk County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Sound Beach CDP.

Reference Weather Station: MT SINAI, NY US (ID: USC00305606) • Located 3.3 miles from community center • Elevation: 15.2 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 41.0° 26.3° 33.7° 3.71"
February 42.9° 27.8° 35.3° 3.20"
March 50.0° 32.8° 41.4° 4.65"
April 63.7° 42.8° 53.2° 4.42"
May 71.7° 51.4° 61.6° 3.89"
June 78.2° 61.1° 69.6° 3.93"
July 83.1° 67.5° 75.3° 3.88"
August 81.8° 67.0° 74.4° 4.02"
September 74.7° 61.3° 68.0° 4.30"
October 64.8° 48.8° 56.8° 4.24"
November 56.0° 40.3° 48.2° 3.70"
December 46.1° 32.1° 39.1° 4.56"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station MT SINAI, NY US (ID: USC00305606) • 3.3 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at MT SINAI, NY US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 43.0 49.0 55.0 61.0 67.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2011: Annual mean 55.1°F 2012: Annual mean 56.1°F 2015: Annual mean 54.0°F 2016: Annual mean 55.4°F 2018: Annual mean 56.9°F 2011: Annual mean of daily highs 62.9°F 2012: Annual mean of daily highs 63.8°F 2015: Annual mean of daily highs 62.7°F 2016: Annual mean of daily highs 64.0°F 2018: Annual mean of daily highs 64.5°F 2011: Annual mean of daily lows 47.2°F 2012: Annual mean of daily lows 48.4°F 2015: Annual mean of daily lows 45.4°F 2016: Annual mean of daily lows 46.9°F 2018: Annual mean of daily lows 49.3°F 2019: Annual mean of daily lows 47.9°F

Source: NOAA NCEI Global Summary of the Year.

Annual temperature data table (°F)
Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year Annual mean (°F) Annual mean of daily highs (°F) Annual mean of daily lows (°F)
2010 Unavailable Unavailable Unavailable
2011 55.1 62.9 47.2
2012 56.1 63.8 48.4
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
2015 54.0 62.7 45.4
2016 55.4 64.0 46.9
2017 Unavailable Unavailable Unavailable
2018 56.9 64.5 49.3
2019 Unavailable Unavailable 47.9
2020 Unavailable Unavailable Unavailable
2021 Unavailable Unavailable Unavailable
2022 Unavailable Unavailable Unavailable
2023 Unavailable Unavailable Unavailable
2024 Unavailable Unavailable Unavailable
2025 Unavailable Unavailable Unavailable
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.