<SUBMISSION>
<ACCESSION-NUMBER>0001235078-04-000012
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20041222
<FILING-DATE>20041228
<DATE-OF-FILING-DATE-CHANGE>20041228
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>MONDAVI TIMOTHY J
<CIK>0001235078
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>000-21624
<FILM-NUMBER>041227888
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>7801 ST HELENA HWY
<CITY>OAKVILLE
<STATE>CA
<ZIP>94562
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>MONDAVI ROBERT CORP
<CIK>0000902276
<ASSIGNED-SIC>2080
<IRS-NUMBER>942765451
<STATE-OF-INCORPORATION>CA
<FISCAL-YEAR-END>0630
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>841 LATOUR COURT
<CITY>NAPA
<STATE>CA
<ZIP>94558
<PHONE>7072599463
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>841 LATOUR COURT
<CITY>NAPA
<STATE>CA
<ZIP>94558
</MAIL-ADDRESS>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
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<ownershipDocument>

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    <periodOfReport>2004-12-22</periodOfReport>

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        <issuerName>MONDAVI ROBERT CORP</issuerName>
        <issuerTradingSymbol>mond</issuerTradingSymbol>
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            <rptOwnerName>MONDAVI TIMOTHY J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7801 ST HELENA HWY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>OAKVILLE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94562</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

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                </transactionShares>
                <transactionPricePerShare>
                    <value>65.82</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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            <expirationDate>
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            <expirationDate>
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                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
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                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Childrens Trust</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
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        <derivativeTransaction>
            <securityTitle>
                <value>Stock Options</value>
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        <derivativeTransaction>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
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                <transactionPricePerShare>
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                </underlyingSecurityTitle>
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                </underlyingSecurityShares>
            </underlyingSecurity>
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                    <footnoteId id="F8"/>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
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            </conversionOrExercisePrice>
            <transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
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                <footnoteId id="F2"/>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2035</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>56.5</value>
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                <transactionAcquiredDisposedCode>
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                </transactionAcquiredDisposedCode>
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            <exerciseDate>
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            <expirationDate>
                <footnoteId id="F7"/>
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                </underlyingSecurityTitle>
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                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">1-for-1</footnote>
        <footnote id="F2">Cash merger with Constellation Brands, Inc.</footnote>
        <footnote id="F3">Forfeited 30,389 shares upon termination of employment.</footnote>
        <footnote id="F4">Represents shares held in trust for filers children, which filer disclaims beneficial ownership.</footnote>
        <footnote id="F5">Issued at various amounts.</footnote>
        <footnote id="F6">Options vest at various rates as issued on grant dates and are exercisable for 10 years from such dates, subject to earlier termination in certain circumstances by terms fo the employee stock option plan.</footnote>
        <footnote id="F7">Restricted stock vests after 7 years or earlier upon attainment of performance measures.</footnote>
        <footnote id="F8">Represents 1500 shares granted 3/18/04; forfeiture of 465 shares upon termination of employment and 1,000 shares granted 12/22/04.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Timothy J. Mondavi/by:M.Beyer,Attny-in-fact / rmy</signatureName>
        <signatureDate>2004-12-28</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
