Records for San Juan Area, Puerto Rico (SJUthr) on 12-21
Record Highs
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1: 90°F (1965)
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2: 89°F (1995)
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3: 89°F (1993)
Record Lows
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1: 64°F (1958)
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2: 67°F (2005)
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3: 67°F (1949)
Lowest Highs
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1: 76°F (2019)
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2: 76°F (2013)
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3: 76°F (2004)
Highest Lows
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1: 74°F (1902)
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2: 76°F (1923)
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3: 77°F (1935)
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: 1.72" (1982)
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2: 1.54" (1960)
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3: 1.15" (1969)
Precipitation data from 1898 to 2022.