Records for Charleston Downtown Area, South Carolina (CXMthr) on 05-20
Record Highs
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1: 95°F (1938)
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2: 94°F (1902)
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3: 93°F (1949)
Record Lows
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1: 45°F (1894)
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2: 54°F (2002)
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3: 55°F (1994)
Lowest Highs
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1: 76°F (2022)
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2: 75°F (1990)
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3: 75°F (1930)
Highest Lows
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1: 64°F (1894)
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2: 68°F (2002)
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3: 68°F (1994)
Highest May temperature:
100°F on 05-27-2019.
Lowest May temperature:
45°F on 05-20-1894.
Average temperature is 74.4°F
Average high is 79.8°F
Average low is 69.1°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 4.39" (1932)
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2: 2.94" (2020)
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3: 1.91" (1926)
Precipitation data from 1893 to 2022.