Sioux Falls, South Dakota Climate
United States
Pop. 171,544 Elev. 433 m / 1,421 ft
TZ: America/Chicago (UTC-5) ·
Winters in Sioux Falls are severe, with temperatures dropping to 8°F (-13°C) in February, while summers bring mild highs of 84°F (29°C) in July. Humidity pushes the summer feels-like temperature to 92°F (33°C), while wind chill can drive winter lows to 0°F (-18°C). Expect around 37 rainy days annually (25.0 in / 634 mm total), with snow on 2 days and 26 in (661 mm) of annual accumulation. The city averages 141 sunny days per year and around 31 thunderstorm days.
| Temperature | 84°F (29°C) high | 8°F (-13°C) low |
| Feels like | 92°F (33°C) high | 0°F (-18°C) low |
| Rain | 37 days | 25.0 in (634 mm) /yr |
| Snow | 2 days | 26.0 in (661 mm) /yr |
| Sky | 141 sunny | 31 stormy |
| Wind | 2.9 mph (1.3 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, May, Sep, Oct
Sky & Air by Month
Cloud cover (%)
45
Jan 54
Feb 53
Mar 53
Apr 45
May 52
Jun 50
Jul 46
Aug 44
Sep 43
Oct 60
Nov 73
Dec Humidity (%)
62
Jan 66
Feb 58
Mar 55
Apr 51
May 64
Jun 76
Jul 76
Aug 68
Sep 61
Oct 69
Nov 79
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 3 mi Sioux Falls Regional Airport (FSD)
Ski resort 4 mi Great Bear Recreation Park
National park 38 mi Pipestone National Monument
Mountain peak
(20,733 ft) 264 mi Norris Hill
Hospital 1 mi Sioux Falls Specialty Hospital
Hiking trail 70 mi Lake Loop
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 30°F -1°C | 11°F -12°C | 0.0 in 0 mm | 1.3 in33 mm | 15 |
| February | 28°F -2°C | 8°F -13°C | 0.0 in 1 mm | 2.9 in73 mm | 8 |
| March | 57°F 14°C | 30°F -1°C | 2.6 in 65 mm | 5.6 in143 mm | 13 |
| April | 62°F 17°C | 38°F 3°C | 2.1 in 53 mm | 0.9 in24 mm | 12 |
| May | 73°F 23°C | 49°F 9°C | 2.3 in 59 mm | — | 14 |
| June | 83°F 29°C | 62°F 17°C | 6.3 in 160 mm | — | 11 |
| July | 84°F 29°C | 66°F 19°C | 4.5 in 114 mm | — | 12 |
| August | 80°F 27°C | 63°F 17°C | 3.3 in 84 mm | — | 11 |
| September | 79°F 26°C | 56°F 14°C | 1.7 in 44 mm | — | 17 |
| October | 67°F 19°C | 47°F 8°C | 1.4 in 35 mm | — | 18 |
| November | 47°F 8°C | 31°F -1°C | 0.5 in 14 mm | 6.8 in174 mm | 7 |
| December | 33°F 1°C | 15°F -10°C | 0.2 in 5 mm | 8.4 in215 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 15 | 0 |
| February | 8 | 0 |
| March | 13 | 2 |
| April | 12 | 2 |
| May | 14 | 3 |
| June | 11 | 7 |
| July | 12 | 8 |
| August | 11 | 5 |
| September | 17 | 2 |
| October | 18 | 2 |
| November | 7 | 0 |
| December | 3 | 0 |