The silly season is the time around August when the newspapers are full of unimportant or silly news stories because there is not much political news to report.
[British]
silly season in British English
noun
British
a period, usually during the hot summer months, when journalists fill space reporting on frivolous events and activities
Examples of 'silly season' in a sentence
silly season
The summer silly season was officially declared open.
Times, Sunday Times (2013)
Journalists are almost nostalgic for the silly season of summers past.
Times, Sunday Times (2011)
The voting viewers had a bit of a silly season last week.