There are usually quite a few people on the Slatina from September to May.
From June to September the air temperature at Slatina is perfect for sunbathing. The swimming season at Slatina occurs from July to September, when the water is warm and comfortable for swimming.
In December, in June and in November and October Slatina 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.