Perth Weather and Average Temperatures

Perth summers are hot and dry, summer lasts from late December to late February, with February generally being the hottest month of the year. The hottest ever recorded temperature in Perth was 46.2 °C (115 °F) on 23 February 1991.

Winters are cool and moist, though winter rainfall has been declining in recent years. The official temperature for Perth has only twice reached 0 °C, on 15 July 1997 and 27 July 1998. Even in mid-winter, maximum daytime temperatures only occasionally fall below 16 °C (60 °F).

Perth Climate Table

You can view the average temperature for Perth throughout various parts of the year by clicking the small thumbnail to the right of this post (opens on a new page).

Though most rainfall occurs during winter the wettest ever day was on 9 February 1992 when 121mm fell. On most summer afternoons a sea breeze, which locals refer to as “The Fremantle Doctor”, blows from the south-west cooling the city.