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With a month to month lease, the landlord can give 30 day notice for you to vacate. Basically, he's saying he just doesn't want to renew the lease which doesn't require a reason. Kicked out is not the proper term. Thirty Day Notice to Vacate would be the term. The agreement is month-to-month by your own words.
Either way, I think that you will end up being liable to the landlord for a minimum of prorated July rent (30 day notice), and possibly the entire month (month to month). If there is no security deposit it will be harder for your landlord to collect, but the landlord can still sue you for the unpaid rent.