At which point in time did catching bass in summer sunshine become a problem? I very quickly raided raided a few photos above from prior 2007 and could demonstrate at least hundreds more of fish caught during mid afternoon sunshine crystal clear water and high temperatures. Its a question of adjusting your fishing.
Summer conditions are not an impairment to bass fishing. In fact if you want verification of that just look at the recent posts made here Summer Silver. The current challenging fishing is not weather related, for a change!
The sea bass is a sub-tropical species at the northern limits of its range in the British Isles. It is more common along the southern coasts of these islands and forms winter aggregations in the Celtic sea from which it disperses around the coast of Britain and Ireland as the water warms in spring and summer. Bass stocks are maintained by variable recruitments which also appear to be temperature related and probably regulated; a succession of good recruitments and improved growth contributing to a build-up of stocks to bring about a cyclical abundance.