This summer I took 2 raincoats, an old, fully vented gortex which I use as a summer showerproof, and a Paramo which is my usual winter commuting jacket. I was expecting conditions from heatwave thunderstorms to cold rain in Norway.
I did um and err about taking the Paramo, its a lot bulkier and heavier than I would like but in cooler conditions, nothing is quite as comfortable and breathable.
For the first half, the Paramo was used as padding around my stove and occasionally as an evening fleece-a-like.
After some really heavy rain the gortex failed and I switched.
The worst conditions I rode was all-day cold rain at 11C for several days. The Paramo was unbeatable, never clammy, kept me warm and dry and could dry off in a tent within the hour.

For tourists taking in a wide range of wet from warm to cold, its hard to find one solution.