Sioux Falls weather tomorrow (Monday, November 16)
Tomorrow in Sioux Falls looks
sunny, with a high of 54°
and an overnight low of 38°.
Rain is unlikely (8% chance).
Winds top out near 16 mph,
and the UV index reaches 2 (low).
Sioux Falls has a large seasonal temperature swing
Average conditions span from January lows near 11°F (-11°C) to July highs around 83°F (28°C). That 40°C (72°F) spread makes the time of year especially important.
Seasonal change
July highs reach 83°F (28°C), while January lows fall to 11°F (-11°C).
Typical day and night
Sioux Falls averages 57°F (14°C) by day and 39°F (4°C) at night across the year.
Rain and sunshine
About 761 mm (30.0 inches) falls across 91 wet days, with 9.2 hours of sunshine on an average day.
About 91 days bring measurable precipitation, totalling 30.0 inches (761 mm). That works out at roughly 8.4 mm on an average wet day.
What is the best month to go to Sioux Falls?
The best time to visit Sioux Falls is generally June to October, when these are the warmest and brightest weeks of the year. Daytime temperatures in that window sit near 76°F (24°C), with rain on about 8 days a month. For the same question asked the other way round, see where else is warm in June.
When does Sioux Falls drop below freezing?
Average overnight lows sit at or below 0°C in 5 months of the year, November through March.
How sunny is Sioux Falls?
9.2 hours a day averaged over the year, peaking in July at 13.2 hours.
Is there snow in Sioux Falls?
Yes - about 19 days a year carry measurable snowfall, concentrated October through April.
What is the hottest month in Sioux Falls?
July, averaging 83°F (28°C) by day and 65°F (18°C) overnight. The hottest single day in our 2015-2024 record for this location reached 102°F (39°C).
When does it rain most in Sioux Falls?
May, at 4.3 inches (110 mm) over about 12 days. February is the driest month, at 22 mm (0.9 in).
Which month is coolest in Sioux Falls?
January, with highs of 27°F (-3°C) and lows near 11°F (-11°C). The coldest day in the 2015-2024 record fell to -24°F (-31°C).