January in Sioux Falls, SD: cool / cold season for golf — expect distance loss and stiff muscles. Best tee times: midday when temperatures are warmest.
| Average January Weather | |
|---|---|
| Avg daily high | 26°F |
| Avg daily low | 12°F |
| Rainy days | 7 / mo |
| Avg peak wind | 14.9 mph |
January is the coldest month of the year in Sioux Falls, and a 26°F average high does specific, measurable things to a round. Greens firm up and lose speed unpredictably as frost heaves the surface. Ball compression drops noticeably in air this cold — expect to lose 10–15 yards off the tee compared to a summer round, which means club selection shifts on nearly every approach. The 14-degree daily swing from 12°F at dawn to 26°F by mid-afternoon means morning tee times play like a different course than afternoon ones.
With 7 precipitation days, January is actually the second-driest month of the year, so moisture isn't the primary obstacle — temperature is. Wind at 14.9 mph sits in the moderate range, but at 26°F that wind chill makes a 4-hour round genuinely dangerous without the right gear. If any month tests equipment and preparation more than skill, it's this one.
Book the latest available afternoon slot — a 1 PM or 2 PM tee time lets the day reach its 26°F peak and burns off any frost delay that would otherwise cost you the first hole or two. Morning rounds before 10 AM in January routinely face frost holds, and courses may not open until conditions are deemed safe, so confirming with the pro shop the evening before saves a wasted trip. See how conditions rate hour by hour on our playability scale.
January drops 8°F from December's average high of 34°F, making it meaningfully colder rather than just incrementally so. Moving into February, the average high recovers 7°F to 33°F — nearly back to December levels — while precipitation ticks down one more day to 6 and wind nudges slightly higher to 15.5 mph. In practical terms, January sits alone as the coldest pocket of the Sioux Falls golf calendar, with both neighboring months offering at least a modest temperature buffer.
Climate normals show the long-term picture, but day-to-day weather varies. Check today's live golf weather score for Sioux Falls, SD for the current playability rating, hourly wind, temperature, and the recommended tee time window.
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A handful of courses attempt limited winter operations when conditions allow, but a 26°F average high — the coldest of any month in Sioux Falls — means closures or frost delays are common. Call ahead, because even courses that post open hours will hold play until frost clears, which can push first tee times well past sunrise.
Cold air at 26°F compresses the golf ball and thickens air density, typically costing 10–15 yards on driver compared to a 70°F summer round. Combined with firmer, slower greens from frozen ground, you'll likely need one extra club on most approach shots and should expect chips to release differently than usual.