Records for Rapid City Area, South Dakota (RAPthr) on 12-20
Record Highs
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1: 63°F (1954)
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2: 61°F (2003)
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3: 60°F (2020)
Record Lows
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1: -20°F (1983)
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2: -19°F (1990)
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3: -17°F (1951)
Lowest Highs
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1: 34°F (1954)
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2: 32°F (1953)
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3: 32°F (1946)
Highest Lows
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1: -13°F (1990)
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2: -5°F (1951)
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3: -2°F (1983)
Highest December temperature:
75°F on 12-02-2021.
Lowest December temperature:
-30°F on 12-30-1990.
Average temperature is 27.2°F
Average high is 36.6°F
Average low is 17.7°F
Temperature data from 1942 to 2022.
Record Precipitation
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1: 0.29" (1967)
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2: 0.13" (1960)
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3: 0.11" (1983)
Precipitation data from 1942 to 2022.