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Rapid City
Average rainfall
ClimateForecastNovemberDecember >>

Rapid City (SD) Precipitation: Average Monthly Rainfall and Snowfall

This graph shows the average amount of rainfall per month in Rapid City (South Dakota). The numbers are calculated over a 30-year period to provide a reliable average.

  • Most rainfall (rainy season) is seen in May.
  • Rapid City has dry periods in January, February, March, November and December.
  • On average, May is the wettest month with 112 mm of precipitation.
  • On average, January is the driest month with 7 mm of precipitation.
  • The average amount of annual precipitation is 516 mm.

Current rainfall in Rapid City (SD)

Fri   Nov 22
10°C | -6°C
N 18 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
Sat   Nov 23
3°C | -6°C
SE 29 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
Sun   Nov 24
1°C | -7°C
N 36 km/h
1 mm
broken clouds and small chance of slight snow

broken clouds and small chance of slight snow

hourly forecast
5-Day Forecast 10-Day Forecast

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