Bayport CDP, New York

Official LSAD Designation: Bayport CDP • Census GEOID: 3604913 • Suffolk County

Climate Normals & Weather Observations

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

Reference Weather Station: MOLLOY CERCOM, NY US (ID: USC00302151) • Located 2.5 miles from community center • Elevation: 1.5 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	38.6°	26.3°	32.4°	3.49"
February	39.5°	27.3°	33.4°	4.58"
March	46.0°	33.4°	39.7°	4.44"
April	55.6°	43.3°	49.4°	3.82"
May	64.1°	51.7°	57.9°	3.50"
June	74.1°	62.5°	68.3°	3.70"
July	79.6°	69.7°	74.6°	4.65"
August	80.2°	69.2°	74.7°	5.81"
September	73.2°	60.7°	67.0°	4.35"
October	62.6°	49.5°	56.1°	3.56"
November	52.6°	39.9°	46.3°	3.03"
December	43.7°	31.6°	37.7°	4.94"

2010–2025, completed calendar years only.

NOAA station ISLIP LI MACARTHUR AP, NY US (ID: USW00004781) • 4.1 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00302151), which has no available annual mean history.

Show annual mean of daily highs and lows

Annual mean Annual mean of daily highs Annual mean of daily lows

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	54.0	62.3	45.7
2011	54.2	62.5	46.0
2012	55.3	63.4	47.1
2013	53.0	61.2	44.8
2014	52.5	60.6	44.3
2015	53.5	61.8	45.1
2016	54.7	63.3	46.2
2017	54.2	62.2	46.1
2018	53.7	61.5	45.9
2019	53.4	61.5	45.4
2020	54.9	63.0	46.9
2021	54.7	62.7	46.7
2022	54.3	62.9	45.8
2023	55.4	63.6	47.2
2024	55.2	63.2	47.2
2025	54.7	62.7	46.6

Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.