<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2014-05-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001497645</issuerCik>
        <issuerName>Summit Hotel Properties, Inc.</issuerName>
        <issuerTradingSymbol>INN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001360513</rptOwnerCik>
            <rptOwnerName>Hansen Daniel P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>12600 HILL COUNTRY BLVD.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE R-100</rptOwnerStreet2>
            <rptOwnerCity>AUSTIN</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>78738</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President &amp; CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock (Time-Based Vesting)</value>
            </securityTitle>
            <transactionDate>
                <value>2014-05-28</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>57834</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>295193</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock (Performance-Based Vesting)</value>
            </securityTitle>
            <transactionDate>
                <value>2014-05-28</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>86751</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>381944</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares of restricted common stock granted to the reporting person under the Issuer's 2011 Equity Incentive Plan. The restricted shares shall become vested and nonforfeitable, subject to the reporting person's continued service as an employee of the Issuer, on May 27, 2015 (25% of the shares granted), May 27, 2016 (25% of the shares granted) and May 27, 2017 (the remaining 50% of the shares granted).</footnote>
        <footnote id="F2">Represents shares of restricted common stock granted to the reporting person under the Issuer's 2011 Equity Incentive Plan. The restricted shares shall become vested and nonforfeitable in one-third increments on January 1, 2015, January 1, 2016 and January 1, 2017, if the reporting person remains in the continued service as an employee of the Issuer and the Issuer's total stockholder return (&quot;TSR&quot;) in each one-year period commencing January 1, 2014 equals or exceeds the total return of the SNL US Hotel REIT Index (the &quot;Index Return&quot;) for the same comparable period.</footnote>
        <footnote id="F3">Two-thirds of the shares (reduced by the number of shares already vested) shall vest on January 1, 2017 if the Issuer's TSR for the two-year period commencing January 1, 2014 equals or exceeds the Index Return for the same period. All of the shares (reduced by the number already vested) shall vest on January 1, 2017 if the Issuer's TSR for the three-year period commencing January 1, 2014 equals or exceeds the Index Return for the same comparable period.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Christopher R. Eng, as Attorney-in-Fact</signatureName>
        <signatureDate>2014-05-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
