South Dakota weather averages

Going to South Dakota? Find the best month to visit South Dakota based on the weather.

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Check South Dakota weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in South Dakota is expected to be 7°C, while the average maximum temperature in November is 6°C. The holiday weather guide shown above is for Sioux Falls.

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Metric (°C / mm)  |  Imperial (°F / inches)

South Dakota weather averages: best month

South Dakota Best month Averages
Warmest July 30°C
Sunniest June & July 11 hours per day
Least rain October & December 6 days

South Dakota climate guide

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Tropical storm risk: South Dakota hurricane season

% of month affected by tropical storms
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The South Dakota tropical storm risk chart above shows the hurricane season for Sioux Falls, South Dakota.

More about tropical storms

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South Dakota weather averages by month

Check South Dakota holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare South Dakota weather with the USA

Below the South Dakota weather chart shows maximum daytime temperature for South Dakota, USA (Sioux Falls) and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

South Dakota, USA (Sioux Falls)
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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More South Dakota destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

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