Kings Island
crowd calendar.
Tell us when you're visiting and we'll show you the quietest day in your window. The app turns it into an hour-by-hour plan for every day. 82% of our forecasts land within 2 crowd levels of reality.
Quietest in 2026: June and May, especially Thursdays. Busiest: December and October.
Updated June 15, 2026. Forecast days refresh nightly.
How busy is Kings Island in 2026?
Our 2026 numbers for Kings Island split clearly: June and May average level 3.8, while December and October average 7.4. Weekends run about 0.5 levels higher than weekdays, so midweek is your friend.
Halloween Haunt is the big crowd driver, with those days averaging level 10.0. The calendar above flags them.
Kings Island crowds by month in 2026
Twelve months, one glance. The grid up top has every individual day.
| Month | Avg level | What that means |
|---|---|---|
| January | – | No data |
| February | – | No data |
| March | – | No data |
| April | – | No data |
| May | 4.3 / 10 | Light |
| June | 3.4 / 10 | Light |
| July | 4.7 / 10 | Moderate |
| August | 4.7 / 10 | Moderate |
| September | – | No data |
| October | 7.1 / 10 | Busy |
| November | – | No data |
| December | 7.7 / 10 | Busy |
Best days to visit Kings Island in 2026
You've got options: 42% of 2026 days at Kings Island come in at level 4 or below. Thursdays run quietest on average. June is the sweet spot if you can pick your week. Want receipts? See how April 24 played out at level 8, or what a level-1 day looked like on April 26.
Common questions about Kings Island crowds
When is Kings Island least crowded in 2026?
Based on our 2026 data, June and May run quietest, averaging level 3.8 out of 10. Within any week, Thursdays usually post the lowest levels. The calendar above shows every day, so check your exact dates.
How busy is Kings Island on weekends?
Weekends at Kings Island average level 5.5 in 2026, versus 5.0 on weekdays. Saturdays are typically the peak. If you can swing a Thursday, you'll feel the difference in the lines.
How accurate is this crowd calendar?
We test our forecasts against what actually happened: 82% land within 2 crowd levels of reality. Every day comes from real wait-time data, not guesswork, and forecast days update nightly.
What do the crowd levels 1-10 mean?
Level 1-2 is quiet, with walk-ons most of the day. 3-4 is light, 5-6 is moderate, 7-8 is busy, and 9-10 is packed, with peak waits several times longer than a quiet day. The levels come from each day's wait times across the whole park.
Is the Kings Island crowd calendar free?
Yes. The calendar is free and you don't need an account to browse it. The Ride Ready app is also free to download, with live wait times and free drop alerts. Day plans are a premium feature.
Plan your Kings Island visit
- Kings Island park guide
- Kings Island touring strategy
- Crowd calendars for every park we cover
- The 2026 Theme Park Crowd Report
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Free on iOS and Android. Live waits and drop alerts cost nothing.