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
-4°C maximum daytime temperature in January in Sioux Falls-4
-1°C maximum daytime temperature in February in Sioux Falls-1
6°C maximum daytime temperature in March in Sioux Falls6
15°C maximum daytime temperature in April in Sioux Falls15
22°C maximum daytime temperature in May in Sioux Falls22
27°C maximum daytime temperature in June in Sioux Falls27
30°C maximum daytime temperature in July in Sioux Falls30
29°C maximum daytime temperature in August in Sioux Falls29
23°C maximum daytime temperature in September in Sioux Falls23
16°C maximum daytime temperature in October in Sioux Falls16
6°C maximum daytime temperature in November in Sioux Falls6
-2°C maximum daytime temperature in December in Sioux Falls-2
Hours of sunshine (daily)
Days with some rainfall
7 days with some rainfall in January in Sioux Falls7
7 days with some rainfall in February in Sioux Falls7
9 days with some rainfall in March in Sioux Falls9
10 days with some rainfall in April in Sioux Falls10
11 days with some rainfall in May in Sioux Falls11
11 days with some rainfall in June in Sioux Falls11
10 days with some rainfall in July in Sioux Falls10
9 days with some rainfall in August in Sioux Falls9
8 days with some rainfall in September in Sioux Falls8
6 days with some rainfall in October in Sioux Falls6
7 days with some rainfall in November in Sioux Falls7
6 days with some rainfall in December in Sioux Falls6

More about South Dakota

South Dakota by month

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

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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 countries, regions and places in South Dakota for next month - August. 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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More about the USA

Compare South Dakota with the UK

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

Maximum daytime temperature (°C)

South Dakota, USA (Sioux Falls)
UK (London)
7
7
6
10
15
13
22
17
27
20
30
22
29
22
23
19
16
15
6
10
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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