Annual average weather for Western Australia, Australia

Annual Temperature for Western Australia

The hottest month in Western Australia is January when the average maximum temperature is 23°, average temperature is 18° and average minimum temperature is 14°.

The coolest month in Western Australia is July when the average maximum temperature is 15°, average temperature is 11° and average minimum temperature is .

Annual Sunshine for Western Australia

The longest days in Western Australia are in December, with an average of 14.2 hours of daylight per day. June has the shortest days with an average of 10.1 hours of daylight per day.

The sunniest days in Western Australia are in December which has the most hours of sunshine per day with an average of 10.2 hours of sunshine per day, making it a very sunny and pleasant month with long bright days. June has the least sunshine with an average of 5.9 hours of sunshine per day, making it a sunny month that is overcast at times.

The ultraviolet index is the highest in January when it reaches 14.3 and lowest in June when it reaches 3.4.

An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Annual Sea Temperature for Western Australia

The warmest sea water temperatures in Western Australia are found in February when they peak at 20° and lowest in September when they dip to 16°.

The sea is best for swimming between December and May when the temperature is above 18° which is cool for swimming, shorty wetsuit may help you extend your time in the water.

Annual Rainfall for Western Australia

The wettest month in Western Australia is January with 7.3cm of rain and July has the most days of rain with 8.2 days with some rain, a dry time to visit the beach.

The driest month in Western Australia is October with 1.9cm of rain and February has the fewest days of rain with 3.4 days with some rain, a very dry time to visit the beach.

Annual Humidity for Western Australia

The most humid month in Western Australia is January with a dew point (an indicator of humidity) of 14° which is comfortable for everyone.

The least humid month in Western Australia is July with a dew point of which is a bit dry for some.

Annual Wind Speed for Western Australia

The most windy month in Western Australia is January when the average maximum windspeed is 25kmh and the average wind speed is 14kmh.

The least windy month in Western Australia is April when the average maximum windspeed is 20kmh and the average wind speed is 11kmh.