Located north of the Tropic of Capricorn, the climate in the Kimberley is a tropical monsoon climate, defined by a distinct wet season and dry season. You'll find this climate not only in Western Australia, but across all of Australia's North.
The northern winter, or ‘dry’ season (April – Sept), has long days of sunshine and blue skies. Temperatures range from 24 degrees Celsius overnight to around 34 degrees Celsius during the day, and could be called ‘perfect weather’. Coastal temperatures vary little throughout the day, while the interior may top 40 degrees by the day and dramatically drop towards zero in the cool of the night.
The northern summer, or ‘wet’ season (Oct – March), has a temperatures in the mid to high 30′s and high humidity. Visitors from cooler climates may find this challenging, however many visitors love the balmy combination of heat, humidity and long days of sunshine.
The climate of the Pilbara is arid and tropical. It experiences high temperatures and low irregular rainfall. Large amounts of rainfall can occur from the summer cyclones. this can result in locaised flooding and rood closures. During the summer months, maximum temperatures exceed 32 °C (90 °F) almost every day, and temperatures in excess of 45 °C (113 °F) are not uncommon.
Winter temperatures rarely drop below 10 °C (50 °F) on the coast; however, inland temperatures as low as 0 °C (32 °F) are occasionally recorded.
Western Australia's Coral Coast enjoys a warm climate all year round. Covering approximately 1,270 kilometres of coastline, from Cervantes to Exmouth, the region experiences a Mediterranean climate in the south and a subtropical climate in the north. The sun can be fierce at times, and sun protection is required all year. It is not uncommon for the Coral Coast to be affected by cyclones during the summer period.
The climate in the Goldfields region is arid to semi-arid, with hot summers and mild winters. Summers in this region are extremely variable; daily temperatures exceeding 40°C can be followed by cloudy days with temperatures in the low 20’s. The mean average summer temperature ranges from 16°C to 34°C.The mean average winter temperature ranges from 4°C to 17°C.
Within the region there is a rainfall gradient; in the southwest area there is a winter rainfall regime of about 300 mm annual rainfall while in the northern Nullarbor area there is a non-seasonal regime of about 150 mm annual rainfall. Tropical cyclones influence the region in the form of rain-bearing depression and can often result in large rainfall events.
Hot dry summers and mild winters characterise the weather of the Eastern Wheatbelt. The summer average daily maximum temperature is 34 degrees, with a daily minimum of 17 degrees Celsius. In Winter this becomes the daily maximum with an average minimum of 5 degrees. The highest temperature recorded is 46.2 and the lowest is minus 3.4 degrees Celsius. The average annual rainfall is 328 millimetres usually falling between March and November. There is an average of 170 clear days per year.
Perth - Peel region
Perth boast more sunny days per year than any other Australian capital city so sunshine is usually the standard order.
Spring (Sept - Nov) and Autumn (March - May) are the best times to visit the Perth Peel Region. With temperatures averaging between 12 and 26 degrees Celsius the days are usually dry and clear.
Summer can get hot with temperatures creeping into the low 40's and the summer weather pattern of warm breezes from inland followed by the cooling afternoon sea-breeze (the 'Fremantle Doctor') makes for a great beach experience.
South West Region
The South West has a Mediterranean climate, with dry summers and wet winters. There is about 900 mm of precipitation per year, with most between May and September. Mean maximum daily temperatures range from 16 °C in July to 34 °C in February
The warm sun and temperate climate has helped the south west cement its reputation as a world -renowned food and wine region, and is also conducive to the State’s outdoor lifestyle.