WhereItsSunny

Climate of Western Australia, Australia

Area-weighted average across Western Australia. For where people actually live and travel, see the cities below.

Western Australia, a subdivision of Australia, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 14.9°C / 58.8°F in July to 29.3°C / 84.7°F in January, with rainfall from 12 mm / 0.5 in to 65 mm / 2.6 in depending on the season (357 mm / 14.1 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.

Sunny & HotSunny & WarmSunny & MildTropicalSnowy
MonthTemperatureRainfallMatches
January29.3°C84.7°F56 mm2.2″
February28.5°C83.3°F65 mm2.6″
March26.8°C80.2°F43 mm1.7″
April23.4°C74.1°F24 mm0.9″Sunny & Warm
May19°C66.2°F26 mm1″Sunny & Mild
June15.7°C60.3°F27 mm1.1″Sunny & Mild
July14.9°C58.8°F22 mm0.9″Sunny & Mild
August16.4°C61.5°F16 mm0.6″Sunny & Mild
September19.8°C67.6°F12 mm0.5″Sunny & Mild
October23.3°C73.9°F13 mm0.5″Sunny & Warm
November25.9°C78.6°F19 mm0.7″Sunny & Hot, Sunny & Warm
December28.1°C82.6°F34 mm1.3″Sunny & Hot

Frequently asked questions

What is the best time to visit Western Australia?

The best months to visit Western Australia, Australia for sunny, dry weather are April, May, June, July, August, September, October, November, December. The warmest month is January at an area-wide average of 29.3°C / 84.7°F, and the driest is September with about 12 mm / 0.5 in of rainfall.

What is the climate of Western Australia?

Western Australia, Australia has area-weighted monthly average temperatures ranging from 14.9°C / 58.8°F in July to 29.3°C / 84.7°F in January. Annual rainfall averages about 357 mm / 14.1 in, with the wettest month being February (65 mm / 2.6 in) and the driest September (12 mm / 0.5 in). Because this is an area average across the whole subdivision, local city values can differ substantially.

What is the hottest month in Western Australia?

The hottest month in Western Australia is January, with an area-wide average temperature of 29.3°C / 84.7°F.

What is the coldest month in Western Australia?

The coldest month in Western Australia is July, with an area-wide average temperature of 14.9°C / 58.8°F.

When does it rain most in Western Australia?

The wettest month in Western Australia is February, averaging about 65 mm / 2.6 in of rainfall. The driest is September with about 12 mm / 0.5 in.