If you haven't already, check Craigslist. You'll get private owners there who may be more willing to rent month-to-month. Also, check Hotpads.com.
Good luck to you!
Cory La Scala, REALTOR
I could send you a FREE list of homes today, if you could provide me with an email address and phone number.
Keller Williams Realty Sd Cen Coastal