Busselton experiences a Mediterranean climate (K�ppen climate classification Csa). Residents and visitors enjoy moderate temperatures, with an average maximum temperature of 22�C and a minimum of 11�C. The summers are generally hot (an average daily maximum of 28�) with cooling afternoon sea breezes, and a winter that delivers cooler temperatures (9� min. - 19� max.) and rain that supports diverse agricultural industries, including a world-famous grape-growing region. The annual average rainfall for Busselton is 864 mm, with the wettest period being from May to September
