| Date | Day
| Day #
| Top 10 Gross | %± YD | %± LW | Releases | #1 Release
| Gross |
|---|
| May 31 | Saturday | 152 | $62,911,231 | +7.8% | +1.6% | 46 | Indiana Jones and the Kingdom of the Crystal Skull | $19,827,731 |
| May 30 | Friday | 151 | $58,351,539 | +471.3% | +18.3% | 46 | Sex and the City | $26,771,052 |
| May 29 | Thursday | 150 | $10,214,675 | -8.3% | -67.7% | 46 | Indiana Jones and the Kingdom of the Crystal Skull | $5,277,340 |
| May 28 | Wednesday | 149 | $11,143,608 | -16.6% | +47.5% | 46 | Indiana Jones and the Kingdom of the Crystal Skull | $6,040,893 |
| May 27 | Tuesday | 148 | $13,368,607 | -70.8% | +51.9% | 45 | Indiana Jones and the Kingdom of the Crystal Skull | $7,604,606 |
| May 26 Memorial Day | Monday | 147 | $45,728,348 | -17.4% | +285.2% | 46 | Indiana Jones and the Kingdom of the Crystal Skull | $26,779,538 |
| May 25 | Sunday | 146 | $55,328,346 | -10.7% | +54.2% | 46 | Indiana Jones and the Kingdom of the Crystal Skull | $33,032,721 |
| May 24 | Saturday | 145 | $61,930,808 | +25.6% | +25.5% | 46 | Indiana Jones and the Kingdom of the Crystal Skull | $36,533,839 |
| May 23 | Friday | 144 | $49,308,891 | +55.7% | +11,498.6% | 47 | Indiana Jones and the Kingdom of the Crystal Skull | $30,571,275 |
| May 22 | Thursday | 143 | $31,665,715 | +319.2% | +316.5% | 56 | Indiana Jones and the Kingdom of the Crystal Skull | $25,041,072 |
| May 21 | Wednesday | 142 | $7,553,363 | -14.2% | <0.1% | 53 | The Chronicles of Narnia: Prince Caspian | $2,674,895 |
| May 20 | Tuesday | 141 | $8,801,453 | -25.9% | +6.1% | 53 | The Chronicles of Narnia: Prince Caspian | $3,203,150 |
| May 19 | Monday | 140 | $11,870,116 | -66.9% | +33.6% | 54 | The Chronicles of Narnia: Prince Caspian | $4,774,987 |
| May 18 | Sunday | 139 | $35,886,245 | -27.3% | +6.5% | 56 | The Chronicles of Narnia: Prince Caspian | $15,240,939 |
| May 17 | Saturday | 138 | $49,359,813 | +11,510.6% | +6.7% | 56 | The Chronicles of Narnia: Prince Caspian | $20,396,123 |
| May 16 | Friday | 137 | $39,542,610 | +420.2% | +9.8% | 57 | The Chronicles of Narnia: Prince Caspian | $19,397,743 |
| May 15 | Thursday | 136 | $7,602,046 | +0.7% | -14.8% | 57 | Iron Man | $3,169,387 |
| May 14 | Wednesday | 135 | $7,551,559 | -9% | -19.4% | 57 | Iron Man | $3,082,988 |
| May 13 | Tuesday | 134 | $8,298,745 | -6.6% | -19.2% | 57 | Iron Man | $3,357,146 |
| May 12 | Monday | 133 | $8,885,629 | -73.6% | -12.3% | 57 | Iron Man | $3,850,844 |
| May 11 | Sunday | 132 | $33,705,715 | -27.1% | -10.7% | 57 | Iron Man | $14,942,808 |
| May 10 | Saturday | 131 | $46,258,113 | +28.4% | -21% | 57 | Iron Man | $21,374,629 |
| May 9 | Friday | 130 | $36,018,716 | +303.8% | -30.9% | 57 | Iron Man | $14,873,192 |
| May 8 | Thursday | 129 | $8,920,013 | -4.8% | +14.3% | 54 | Iron Man | $5,328,031 |
| May 7 | Wednesday | 128 | $9,373,135 | -8.7% | +93.7% | 54 | Iron Man | $5,747,344 |
| May 6 | Tuesday | 127 | $10,266,668 | +1.3% | +85.1% | 54 | Iron Man | $6,505,784 |
| May 5 | Monday | 126 | $10,136,885 | -73.1% | +74.5% | 53 | Iron Man | $6,934,568 |
| May 4 | Sunday | 125 | $37,737,782 | -35.6% | +92.2% | 55 | Iron Man | $26,034,208 |
| May 3 | Saturday | 124 | $58,579,251 | +12.4% | +89.9% | 57 | Iron Man | $37,350,099 |
| May 2 | Friday | 123 | $52,114,096 | +567.8% | +103.8% | 55 | Iron Man | $35,234,361 |
| May 1 | Thursday | 122 | $7,803,984 | +61.3% | +42.5% | 59 | Iron Man | $3,500,000 |
