There are usually quite a few people on the Karpinyan from November to March.
From June to September the air temperature at Karpinyan is perfect for sunbathing. The swimming season at Karpinyan occurs from July to September, when the water is warm and comfortable for swimming.
In December, in June and in November and October Karpinyan has rainy season. This is something to keep in mind when planning your trip since it is quite possible that you may be unable to sunbathe.