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Six Flags St Louis Crowd Calendar December 2026

Wondering how busy Six Flags St Louis will be in December 2026? This crowd calendar predicts daily crowd levels day by day. The lower the score, the shorter the queues, so pick a quiet day and ride more.

Estimated from historical data

Six Flags St Louis is typically quiet in December 2026, averaging around 33% crowd levels. The quietest day to visit is predicted to be Tuesday 1st (about 33%), while the busiest is Tuesday 1st (about 33%).

Best day to visit
Tue 1
Below Avg33%
Busiest day
Tue 1
Below Avg33%
Typical this month
33%
Below Avg31 days with data
Crowd scale
Low0-20%Below Avg20-40%Average40-60%Above Avg60-80%High80-100%
December 2026

Crowd levels are estimated from historical queue time patterns and may not always be accurate. Always check the official park website before visiting.

* Future dates are estimates and may vary

Frequently asked questions

When is the quietest day to visit Six Flags St Louis in December 2026?

Tuesday 1st is predicted to be the quietest day to visit Six Flags St Louis in December 2026, at around 33% crowd levels.

When is Six Flags St Louis busiest in December 2026?

Tuesday 1st is predicted to be the busiest day at Six Flags St Louis in December 2026, at around 33% crowd levels.

How busy is Six Flags St Louis in December 2026?

On average, Six Flags St Louis is quiet in December 2026 - around 33% crowd levels.

Is Six Flags St Louis busier on weekends?

At Six Flags St Louis, weekend and weekday crowd levels in December 2026 are fairly similar, so arriving early matters more than the day of the week.

What is the best time to visit Six Flags St Louis?

The best time to visit Six Flags St Louis is on its quietest predicted days - Tuesday 1st is the quietest in December 2026 (about 33%). Arriving at opening also means the shortest waits.

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