Sioux Falls weather by month

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

Temperature in Sioux Falls (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
25°F maximum daytime temperature in January in Sioux Falls25
30°F maximum daytime temperature in February in Sioux Falls30
43°F maximum daytime temperature in March in Sioux Falls43
59°F maximum daytime temperature in April in Sioux Falls59
72°F maximum daytime temperature in May in Sioux Falls72
81°F maximum daytime temperature in June in Sioux Falls81
86°F maximum daytime temperature in July in Sioux Falls86
84°F maximum daytime temperature in August in Sioux Falls84
73°F maximum daytime temperature in September in Sioux Falls73
61°F maximum daytime temperature in October in Sioux Falls61
43°F maximum daytime temperature in November in Sioux Falls43
28°F maximum daytime temperature in December in Sioux Falls28
Min temperature (night-time)
3°F minimum night-time temperature in January in Sioux Falls3
9°F minimum night-time temperature in February in Sioux Falls9
23°F minimum night-time temperature in March in Sioux Falls23
34°F minimum night-time temperature in April in Sioux Falls34
46°F minimum night-time temperature in May in Sioux Falls46
55°F minimum night-time temperature in June in Sioux Falls55
63°F minimum night-time temperature in July in Sioux Falls63
59°F minimum night-time temperature in August in Sioux Falls59
48°F minimum night-time temperature in September in Sioux Falls48
36°F minimum night-time temperature in October in Sioux Falls36
23°F minimum night-time temperature in November in Sioux Falls23
9°F minimum night-time temperature in December in Sioux Falls9
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

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
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

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 (inches)
0.5 inches monthly rainfall in January in Sioux Falls0.5
0.7 inches monthly rainfall in February in Sioux Falls0.7
1.6 inches monthly rainfall in March in Sioux Falls1.6
2.5 inches monthly rainfall in April in Sioux Falls2.5
3.1 inches monthly rainfall in May in Sioux Falls3.1
3.6 inches monthly rainfall in June in Sioux Falls3.6
2.8 inches monthly rainfall in July in Sioux Falls2.8
2.9 inches monthly rainfall in August in Sioux Falls2.9
2.9 inches monthly rainfall in September in Sioux Falls2.9
1.7 inches monthly rainfall in October in Sioux Falls1.7
1.1 inches monthly rainfall in November in Sioux Falls1.1
0.7 inches monthly rainfall in December in Sioux Falls0.7

More about Sioux Falls

Sioux Falls 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.

What's the climate like in Sioux Falls?

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

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Sioux Falls, 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 Sioux Falls with the USA

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

Maximum daytime temperature (°F)

Sioux Falls, South Dakota, USA
USA (Washington)
41
45
43
55
59
66
72
75
81
84
86
88
84
86
73
79
61
68
43
57
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
25
30
28

Metric (°C)  |  Imperial (°F)

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