kalamunda has a mediterranean climate with hot dry summers and cool wet winters. due to the suburb's high elevation of around above mean sea level and location on the darling scarp, it is a few degrees cooler in winter than perth; however, this difference is less pronounced in summer as kalamunda is less affected than perth by the regular afternoon sea breeze, the fremantle doctor, due to its inland location. kalamunda is far wetter than the city with over of annual rainfall, due to its location in the darling scarp.