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Swansea town, South Carolina

Official LSAD Designation: Swansea town • Census GEOID: 4570675 • Lexington County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Swansea town.

Reference Weather Station: N 5NE, SC US (ID: USC00386299) • Located 7.3 miles from community center • Elevation: 98.1 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 57.9° 33.8° 45.9° 4.31"
February 61.2° 36.4° 48.8° 3.96"
March 68.2° 41.8° 55.0° 4.21"
April 76.5° 49.9° 63.2° 3.34"
May 83.9° 59.2° 71.6° 3.57"
June 90.2° 68.9° 79.6° 5.17"
July 92.9° 72.2° 82.6° 7.69"
August 90.9° 70.9° 80.9° 6.39"
September 85.5° 64.6° 75.1° 4.41"
October 76.2° 52.1° 64.1° 3.52"
November 66.0° 40.4° 53.2° 3.57"
December 60.1° 36.4° 48.3° 4.40"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station N 5NE, SC US (ID: USC00386299) • 7.3 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 N 5NE, SC 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. 50.0 58.0 66.0 74.0 82.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2018: Annual mean 64.5°F 2019: Annual mean 66.7°F 2020: Annual mean 67.0°F 2018: Annual mean of daily highs 76.1°F 2019: Annual mean of daily highs 78.5°F 2020: Annual mean of daily highs 77.1°F 2018: Annual mean of daily lows 52.9°F 2019: Annual mean of daily lows 54.9°F 2020: Annual mean of daily lows 56.8°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 Unavailable Unavailable Unavailable
2012 Unavailable Unavailable Unavailable
2013 Unavailable Unavailable Unavailable
2014 Unavailable Unavailable Unavailable
2015 Unavailable Unavailable Unavailable
2016 Unavailable Unavailable Unavailable
2017 Unavailable Unavailable Unavailable
2018 64.5 76.1 52.9
2019 66.7 78.5 54.9
2020 67.0 77.1 56.8
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.