1981 Monthly Box Office
Data as of Nov 3, 14:48 PST
| Month | Cumulative Gross | % of Year | Releases | Average | Average Drop | #1 Release | Gross | % of Total | 
|---|---|---|---|---|---|---|---|---|
| December | $376,258,501 | 16.5% | 13 | $28,942,961 | -13.2% | On Golden Pond | $119,285,432 | 31.7% | 
| November | $102,197,388 | 4.5% | 5 | $20,439,477 | - | Time Bandits | $42,365,581 | 41.5% | 
| October | $75,211,930 | 3.3% | 7 | $10,744,561 | - | Halloween II | $25,533,818 | 33.9% | 
| September | $171,561,190 | 7.5% | 9 | $19,062,354 | - | Chariots of Fire | $58,972,904 | 34.4% | 
| August | $137,613,191 | 6% | 10 | $13,761,319 | - | An American Werewolf in London | $30,565,292 | 22.2% | 
| July | $315,982,390 | 13.8% | 12 | $26,331,865 | - | Arthur | $95,461,682 | 30.2% | 
| June | $653,298,792 | 28.6% | 13 | $50,253,753 | -19% | Raiders of the Lost Ark | $212,222,025 | 32.5% | 
| May | $134,668,436 | 5.9% | 9 | $14,963,159 | - | The Four Seasons | $50,427,646 | 37.4% | 
| April | $130,565,195 | 5.7% | 13 | $10,043,476 | - | Excalibur | $34,967,437 | 26.8% | 
| March | $74,672,788 | 3.3% | 10 | $7,467,278 | - | The Final Conflict | $20,471,382 | 27.4% | 
| February | $75,358,426 | 3.3% | 9 | $8,373,158 | - | Fort Apache the Bronx | $29,200,000 | 38.7% | 
| January | $34,485,837 | 1.5% | 2 | $17,242,918 | - | The Incredible Shrinking Woman | $20,259,961 | 58.7% | 
