Islandton CDP, South Carolina

Official LSAD Designation: Islandton CDP • Census GEOID: 4536070 • Colleton County

Climate Normals & Weather Observations

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

Reference Weather Station: HAMPTON 1S, SC US (ID: USC00383906) • Located 11.8 miles from community center • Elevation: 29.0 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	61.9°	39.2°	50.5°	3.76"
February	65.5°	41.7°	53.6°	3.09"
March	72.4°	47.4°	59.9°	3.76"
April	79.2°	54.1°	66.7°	3.32"
May	85.6°	61.9°	73.8°	2.49"
June	90.1°	69.1°	79.6°	5.28"
July	92.2°	72.3°	82.3°	4.80"
August	90.7°	71.5°	81.1°	5.89"
September	86.5°	66.9°	76.7°	4.15"
October	78.9°	56.3°	67.6°	2.99"
November	70.4°	46.9°	58.6°	3.05"
December	63.9°	41.2°	52.5°	2.67"

2010–2025, completed calendar years only.

NOAA station YEMASSEE 1 N, SC US (ID: USC00389469) • 15.1 miles from community center .

This annual reference station differs from the monthly normals station (ID: USC00383906), 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	64.6	79.0	50.2
2011	67.1	81.7	52.4
2012	66.7	80.9	52.5
2013	Unavailable	Unavailable	Unavailable
2014	Unavailable	78.8	Unavailable
2015	Unavailable	78.7	Unavailable
2016	Unavailable	76.2	Unavailable
2017	66.1	77.9	54.4
2018	65.3	76.6	54.0
2019	66.2	78.1	54.3
2020	Unavailable	Unavailable	Unavailable
2021	65.7	77.5	53.9
2022	66.5	78.8	54.2
2023	67.0	79.0	54.9
2024	67.3	79.6	54.9
2025	65.6	78.3	52.9

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