South Dakota weather by month

Check out South Dakota weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum daytime temperature °C
Hours of sunshine (daily)
Days with some rainfall

More about South Dakota

South Dakota by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Dakota

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The climate guide for South Dakota (Sioux Falls) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top South Dakota destinations

Below are average maximum temperatures at popular destinations in South Dakota for next month - May. Select a destination to see the climate guide for all months of the year.

All South Dakota destinations

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

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Tropical storm risk: South Dakota hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
0
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the USA

Compare South Dakota with the USA

Below the South Dakota chart shows average maximum daytime temperature for South Dakota, USA (Sioux Falls) and the USA (Washington).

Maximum daytime temperature (°C)

South Dakota, USA (Sioux Falls)
USA (Washington)
5
7
6
13
15
19
22
24
27
29
30
31
29
30
23
26
16
20
6
14
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
-4
-1
-2

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

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