All time
Valleyfair is usually quietest in June and July, when crowd levels average as low as 39%. The busiest month tends to be May, at around 64%.
| Month | Average crowd level, % |
|---|---|
| Jan | β |
| Feb | β |
| Mar | β |
| Apr | β |
| May | 64 |
| Jun | 42 |
| Jul | 39 |
| Aug | 58 |
| Sep | 47 |
| Oct | 63 |
| Nov | 34 |
| Dec | β |
Tuesday is typically the quietest day of the week at Valleyfair, averaging 32% compared with 60% on Saturday. On average, weekdays are 9 percentage points quieter than weekends.
| Day | Average crowd level, % |
|---|---|
| Sun | 49 |
| Mon | 40 |
| Tue | 32 |
| Wed | 48 |
| Thu | 49 |
| Fri | 57 |
| Sat | 60 |
Of the full years on record, 2022 was the busiest, averaging 58%. 2021 is left out of these comparisons because COVID-19 closures and capacity limits affected crowd levels that year.
| Event | Average crowd level, % |
|---|---|
| π½ Corn Fest | 82 |
| π΅ Latin Days | 68 |
| π» ValleyScare | 61 |
| π¬ Soak City Opening Weekend | 52 |
| ποΈ Military Days | 48 |
| π Tricks and Treats | 37 |
| πΊπΈ Star-Spangled Night | 29 |
| π¬ Opening Day | 21 |
| πββοΈ World's Largest Swimming Lesson | 13 |
| Day | Crowd level, % |
|---|---|
| May 22, 2024 | 100 |
| October 18, 2024 | 99 |
| August 12, 2021 | 99 |
| October 17, 2025 | 99 |
| August 11, 2021 | 99 |
| August 13, 2022 | 99 |
| June 19, 2024 | 99 |
| August 31, 2025 | 99 |
| August 04, 2021 | 99 |
| May 26, 2022 | 98 |
| Day | Crowd level, % |
|---|---|
| July 05, 2025 | 0 |
| October 05, 2025 | 0 |
| July 02, 2024 | 0 |
| July 04, 2024 | 0 |
| October 12, 2025 | 0 |
| August 04, 2022 | 0 |
| August 03, 2022 | 0 |
| June 16, 2019 | 1 |
| June 13, 2025 | 1 |
| August 05, 2022 | 1 |