Expose date filter in views
You just need to create groups for these results:

you want to group the results by Year and Month, so you need to add two fields:



First field for group by Year [Content: Post date]:



Second field for group by Month [Content: Post date]:



Add filters and sort criteria:



Choose format settings:



Group yearly results:



Group monthly results:



That's it!

Your results:

- 2013
-- Jan
--- tilte #1
--- ...
-- Feb
--- title #4
--- ...
--- Mar
--- title #6
--- ...