1989 Monthly Box Office
Data as of Nov 3, 2:06 PST
| Month | Cumulative Gross | % of Year | Releases | Average | #1 Release | Gross | % of Total |
|---|---|---|---|---|---|---|---|
| December | $340,755,655 | 8.3% | 35 | $9,735,875 | National Lampoon's Christmas Vacation | $53,751,580 | 15.8% |
| November | $329,127,997 | 8.1% | 42 | $7,836,380 | Look Who's Talking | $53,774,436 | 16.3% |
| October | $252,140,002 | 6.2% | 41 | $6,149,756 | Look Who's Talking | $44,050,981 | 17.5% |
| September | $263,521,390 | 6.5% | 40 | $6,588,034 | Sea of Love | $26,127,112 | 9.9% |
| August | $464,286,798 | 11.4% | 41 | $11,324,068 | Parenthood | $56,608,186 | 12.2% |
| July | $597,244,285 | 14.6% | 29 | $20,594,630 | Batman | $125,186,597 | 21% |
| June | $490,849,538 | 12% | 30 | $16,361,651 | Indiana Jones and the Last Crusade | $92,760,875 | 18.9% |
| May | $257,083,203 | 6.3% | 36 | $7,141,200 | Indiana Jones and the Last Crusade | $46,931,772 | 18.3% |
| April | $240,541,258 | 5.9% | 45 | $5,345,361 | Major League | $29,372,849 | 12.2% |
| March | $265,848,233 | 6.5% | 41 | $6,484,103 | Lean on Me | $21,837,564 | 8.2% |
| February | $259,578,825 | 6.4% | 33 | $7,866,025 | Rain Man | $27,894,206 | 10.7% |
| January | $323,083,631 | 7.9% | 35 | $9,230,960 | Rain Man | $55,076,526 | 17% |
