Records for San Juan Area, Puerto Rico (SJUthr) on 12-20
Record Highs
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1: 90°F (1995)
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2: 89°F (2009)
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3: 88°F (1965)
Record Lows
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1: 66°F (1959)
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2: 66°F (1952)
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3: 66°F (1949)
Lowest Highs
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1: 77°F (1970)
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2: 76°F (2019)
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3: 76°F (2013)
Highest Lows
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1: 78°F (1947)
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2: 78°F (1923)
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3: 78°F (1902)
Highest December temperature:
94°F on 12-06-1989.
Lowest December temperature:
62°F on 12-29-1917.
Average temperature is 76.7°F
Average high is 83°F
Average low is 70.4°F
Temperature data from 1898 to 2022.
Record Precipitation
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1: 1.89" (1987)
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2: 1.30" (2010)
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3: 1.28" (1962)
Precipitation data from 1898 to 2022.