User blog comment:Paul.rea/Teen Wolf Timeline/@comment-82.10.192.252-20140220133605/@comment-4091815-20140220151331

August or September - the start of school can vary depending on the state/school district.

We also mention above that the final scene with Stiles and Scott practicing goal keeping could have happened much later than the final confrontation with Gerard and the Kanima.

Taking into account spring break between Fury and Battlefield - they are on a straight shot from Lydia's Birthday to Jackson's death/resurrection and there are not enough days/nights shown to get us to May.