Thing has a good point to consider. Weather often has a limiting factor and can be very frustrating as well as the desire by some to complete as quickly as possible
Mine took 18 months but at the time that was a financial and family consideration consideration.
To others getting a PPL is a hobby in itself and they like to spread it out.
Others have work or family commitments which means they choose to spread it out but then some want to crack it as fast as possible some on an extended holiday.
Because of our weather those who look at extended holidays may well combine that by going abroad to places like Spain or the USA where bad weather is not such an issue.
Having big breaks is not too good a thing but as long as the breaks are not from flying and you use that flying in worse wind and weather conditions with an instructor rather than chopping through the PPL process that will add to your flying ability.
Those who fly on perfect weather conditions over three weeks get their PPLs but are still not equips to fly in the UK climate
So its your choice how quickly you do the PPL
Pace