There are usually quite a few people on the Agia Paraskevi from August to June.
From May to October the air temperature at Agia Paraskevi is perfect for sunbathing. The swimming season at Agia Paraskevi occurs from June to October, when the water is warm and comfortable for swimming.
In December and January Agia Paraskevi 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.