Climate for Rapid City, South Dakota

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Average Temperatures for Rapid City

Average Temperature for Rapid City, South Dakota
MonthLowHigh
Jan11.3°F33.6°F
Feb15.9°F38.6°F
Mar23.2°F46.6°F
Apr32.3°F57.1°F
May42.7°F67.2°F
Jun51.8°F77.4°F
Jul57.9°F85.5°F
Aug56.6°F85.5°F
Sept46.0°F75.2°F
Oct34.7°F61.7°F
Nov22.1°F44.8°F
Dec13.3°F36.1°F

Rapid City's coldest month is January when the average temperature overnight is 11.3°F. In July, the warmest month, the average day time temperature rises to 85.5°F.

Average Rainfall for Rapid City

Average Rainfall for Rapid City, South Dakota
MonthPrecipitation
Jan0.37in.
Feb0.46in.
Mar1.03in.
Apr1.86in.
May2.96in.
Jun2.83in.
Jul2.03in.
Aug1.61in.
Sept1.10in.
Oct1.37in.
Nov0.61in.
Dec0.40in.

The driest month in Rapid City is January with 0.37 inches of precipitation, and with 2.96 inches May is the wettest month.

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