Weather in Sioux Falls in December
Sioux Falls, United States averages a high of -1.1°C (30°F) and low of -9.2°C (15.4°F) in December, with 5 rain days and 6.1 hours of daily sunshine. Travel score: 44/100 (Mixed). The best time to visit Sioux Falls is July.
High
-1°C30°F
Low
-9°C15°F
🌧️
5
rain days
☀️
6.1
hrs/day sunshine
💧
75%
humidity
44— Mixed
December in Sioux Falls is freezing and mostly dry — bring heavy winter clothing.
What are the average temperatures in Sioux Falls?
How much does it rain in Sioux Falls in December?
Sioux Falls receives an average of 28.5mm of rainfall across 5 rainy days in December. The annual total is 745.5mm.
What should I pack for Sioux Falls in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around -1°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -9°C
🧣
Warm scarf
Protect against cold winds
🎉Visiting United States in December?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31