Records for Charleston Area, South Carolina (CHSthr) on 05-15
Record Highs
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1: 97°F (1995)
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2: 94°F (1970)
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3: 94°F (1963)
Record Lows
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1: 47°F (1941)
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2: 49°F (2021)
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3: 50°F (2019)
Lowest Highs
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1: 74°F (2018)
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2: 71°F (1956)
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3: 70°F (1976)
Highest Lows
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1: 64°F (1954)
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2: 71°F (1999)
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3: 71°F (1959)
Highest May temperature:
101°F on 05-28-2019.
Lowest May temperature:
36°F on 05-02-1963.
Average temperature is 73.4°F
Average high is 78.9°F
Average low is 67.9°F
Temperature data from 1937 to 2022.
Record Precipitation
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1: 1.65" (2009)
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2: 1.44" (1971)
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3: 1.06" (1942)
Precipitation data from 1937 to 2022.