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Rockville town, South Carolina

Official LSAD Designation: Rockville town • Census GEOID: 4561495 • Charleston County

Climate Normals & Weather Observations

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

Reference Weather Station: EDISTO IS MIDDLETON PLANTATION, SC US (ID: USC00382735) • Located 7.5 miles from community center • Elevation: 3.7 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 59.2° 40.0° 49.6° 3.58"
February 62.9° 42.5° 52.7° 2.89"
March 68.8° 48.3° 58.6° 3.88"
April 76.1° 55.9° 66.0° 3.55"
May 82.9° 64.3° 73.6° 2.79"
June 88.0° 71.0° 79.5° 5.21"
July 90.3° 74.2° 82.3° 6.55"
August 89.6° 73.6° 81.6° 7.46"
September 85.3° 69.1° 77.2° 5.19"
October 77.6° 59.6° 68.6° 4.34"
November 67.8° 48.7° 58.3° 2.61"
December 61.3° 42.9° 52.1° 3.85"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station EDISTO IS MIDDLETON PLANTATION, SC US (ID: USC00382735) • 7.5 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 EDISTO IS MIDDLETON PLANTATION, 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. 54.0 60.8 67.5 74.3 81.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 66.2°F 2011: Annual mean 68.3°F 2012: Annual mean 68.6°F 2013: Annual mean 66.6°F 2014: Annual mean 66.4°F 2015: Annual mean 68.2°F 2016: Annual mean 68.2°F 2017: Annual mean 68.5°F 2018: Annual mean 67.6°F 2019: Annual mean 68.5°F 2010: Annual mean of daily highs 76.0°F 2011: Annual mean of daily highs 78.6°F 2012: Annual mean of daily highs 78.4°F 2013: Annual mean of daily highs 76.0°F 2014: Annual mean of daily highs 76.0°F 2015: Annual mean of daily highs 77.0°F 2016: Annual mean of daily highs 77.3°F 2017: Annual mean of daily highs 77.6°F 2018: Annual mean of daily highs 76.5°F 2019: Annual mean of daily highs 77.5°F 2010: Annual mean of daily lows 56.4°F 2011: Annual mean of daily lows 58.0°F 2012: Annual mean of daily lows 58.8°F 2013: Annual mean of daily lows 57.1°F 2014: Annual mean of daily lows 56.7°F 2015: Annual mean of daily lows 59.4°F 2016: Annual mean of daily lows 59.1°F 2017: Annual mean of daily lows 59.3°F 2018: Annual mean of daily lows 58.7°F 2019: Annual mean of daily lows 59.5°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 66.2 76.0 56.4
2011 68.3 78.6 58.0
2012 68.6 78.4 58.8
2013 66.6 76.0 57.1
2014 66.4 76.0 56.7
2015 68.2 77.0 59.4
2016 68.2 77.3 59.1
2017 68.5 77.6 59.3
2018 67.6 76.5 58.7
2019 68.5 77.5 59.5
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.