If you’re a beach-lover, July is the warmest month, though seawater temperatures peak in late August and early September. The July and August school holiday season sees the biggest crowds, so avoid this period if you’re looking for serenity. The most dependable sunny weather falls between May and September, perfect for hiking. Llandudno’s Victorian Extravaganza is a fun time in May. You can also explore different options for camping near Llandudno on Hipcamp.