Typical Weather in Sioux Falls, SD in December
33° F Avg High
16° F Avg Low
3 Rainy Days
☀️ Temperature Summary
December is one of the cooler months of the year for Sioux Falls, with highs averaging around 33°F. You can expect overnight lows near 16°F most days. Daily high temperatures can range between 39°F and 30°F for the month of December.
You may want to consider a warmer month to visit Sioux Falls, unless you're ready to brave the cold. If you're looking to travel when it's warmer, you might consider visiting in November instead, when daily highs are typically closer to 45°.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
In December you can expect close to a 9% chance of rain for any given day. It rains less than usual in December, with total rainfall for the month typically near 1 inches.
Rainfall Throughout the Year
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