There are usually quite a few people on the Treyarnon Bay from October to April.
From November to April the water at Treyarnon Bay is too cold to swim in.
The whole year Treyarnon Bay 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.
Diving
Kiting
Surfing
Equipment for rent
Windsurfing