Records for San Antonio Area, Texas (SATthr) on 05-21
Record Highs
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1: 101°F (2022)
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2: 98°F (1939)
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3: 97°F (2008)
Record Lows
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1: 52°F (1892)
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2: 54°F (1947)
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3: 55°F (2002)
Lowest Highs
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1: 76°F (1898)
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2: 75°F (1975)
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3: 75°F (1902)
Highest Lows
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1: 73°F (1900)
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2: 75°F (1914)
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3: 76°F (2017)
Highest May temperature:
104°F on 05-31-2004.
Lowest May temperature:
42°F on 05-04-2013.
Average temperature is 77.1°F
Average high is 86.8°F
Average low is 67.4°F
Temperature data from 1885 to 2022.
Record Precipitation
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1: 2.30" (1914)
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2: 1.75" (1983)
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3: 1.61" (1916)
Precipitation data from 1885 to 2022.