Sioux Falls climate guide

Temperature in Sioux Falls (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
-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
Min temperature (night-time)
-16°C minimum night-time temperature in January in Sioux Falls-16
-13°C minimum night-time temperature in February in Sioux Falls-13
-5°C minimum night-time temperature in March in Sioux Falls-5
1°C minimum night-time temperature in April in Sioux Falls1
8°C minimum night-time temperature in May in Sioux Falls8
13°C minimum night-time temperature in June in Sioux Falls13
17°C minimum night-time temperature in July in Sioux Falls17
15°C minimum night-time temperature in August in Sioux Falls15
9°C minimum night-time temperature in September in Sioux Falls9
2°C minimum night-time temperature in October in Sioux Falls2
-5°C minimum night-time temperature in November in Sioux Falls-5
-13°C minimum night-time temperature in December in Sioux Falls-13

Sunshine & Daylight in Sioux Falls

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in Sioux Falls9
11 hours of daylight per day in February in Sioux Falls11
12 hours of daylight per day in March in Sioux Falls12
13 hours of daylight per day in April in Sioux Falls13
15 hours of daylight per day in May in Sioux Falls15
15 hours of daylight per day in June in Sioux Falls15
15 hours of daylight per day in July in Sioux Falls15
14 hours of daylight per day in August in Sioux Falls14
12 hours of daylight per day in September in Sioux Falls12
11 hours of daylight per day in October in Sioux Falls11
10 hours of daylight per day in November in Sioux Falls10
9 hours of daylight per day in December in Sioux Falls9

Rainfall in Sioux Falls

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
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
Average monthly rainfall (mm)
13 mm monthly rainfall in January in Sioux Falls13
17 mm monthly rainfall in February in Sioux Falls17
41 mm monthly rainfall in March in Sioux Falls41
63 mm monthly rainfall in April in Sioux Falls63
79 mm monthly rainfall in May in Sioux Falls79
92 mm monthly rainfall in June in Sioux Falls92
71 mm monthly rainfall in July in Sioux Falls71
74 mm monthly rainfall in August in Sioux Falls74
74 mm monthly rainfall in September in Sioux Falls74
43 mm monthly rainfall in October in Sioux Falls43
27 mm monthly rainfall in November in Sioux Falls27
17 mm monthly rainfall in December in Sioux Falls17

More climate for Sioux Falls

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Sioux Falls1
UV (maximum) index 2 (Low) in February in Sioux Falls2
UV (maximum) index 4 (Moderate) in March in Sioux Falls4
UV (maximum) index 5 (Moderate) in April in Sioux Falls5
UV (maximum) index 7 (High) in May in Sioux Falls7
UV (maximum) index 8 (Very High) in June in Sioux Falls8
UV (maximum) index 9 (Very High) in July in Sioux Falls9
UV (maximum) index 8 (Very High) in August in Sioux Falls8
UV (maximum) index 6 (High) in September in Sioux Falls6
UV (maximum) index 3 (Moderate) in October in Sioux Falls3
UV (maximum) index 2 (Low) in November in Sioux Falls2
UV (maximum) index 1 (Low) in December in Sioux Falls1
Heat & Humidity
No heat & humidity in January in Sioux Falls0
No heat & humidity in February in Sioux Falls0
No heat & humidity in March in Sioux Falls0
No heat & humidity in April in Sioux Falls0
No heat & humidity in May in Sioux Falls0
Low heat & humidity in June in Sioux FallsL
Moderate heat & humidity in July in Sioux FallsM
Moderate heat & humidity in August in Sioux FallsM
No heat & humidity in September in Sioux Falls0
No heat & humidity in October in Sioux Falls0
No heat & humidity in November in Sioux Falls0
No heat & humidity in December in Sioux Falls0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

What's the climate like in Sioux Falls?

Sioux Falls has a cold climate with hot summers and some rainfall in all months.

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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.

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

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

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