All through the summer at Headys Beach temperatures are usually in the 80's. For the period of the moonlight hours it's typically in the 60's. High temperatures through the wintertime are normally in the 50's with temperatures at Headys Beach dipping down into the 30's all through winter nights. Headys Beach is a quite wet place generally with lots of rain. The month of August is the wettest with most of the rain, and the driest of the months is November.