Nic, season has already begun fella as it usually does after Easter. The big influx times are :
01.) When penny pinching social stealing get a bleedin job students finish their exams & invade between June & July

02.) School break up & families come down from July onwards.
03.) Factories 'oop north' close for their months summer holidays.
July & August are the real peak times though with September normally the end & its back to just weekends with the stag & hen do's.