Weather Guide

Perth, Western Australia, Australia Average Monthly Weather

Weather score60Good annual avg

Best months: January, February, December

Across the year, average daytime temperatures are around 24°C, sunshine averages 8h per day, and rainfall totals about 824mm. Sea temperatures average 21°C across the year.

Perth, Western Australia, Australia, Australia travel weather guide
Photo by Urlaubstracker on Unsplash

Annual weather

Annual averages

Temp

24°C

Rain

824mm

Annual total

Sun

8h

Sea

21°C

Weather score

60

Good avg

Seasonal climate calendar

Trip feel

Mild

Average highs are around 22°C, so days are mild rather than hot.

Drier

Rainfall averages 52mm, which is relatively low for holiday planning.

Bright

Sunshine averages 8.4h per day, so bright days are a strong part of the month.

Cool sea

Sea temperatures average 19°C, so the water can feel cool.

Map

Weather map

Compare Perth, Western Australia, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

View on map

October22°C average high

October is on the cooler side of Perth's year, useful if you prefer less intense daytime heat.

Warmest monthsJanuary to March and December

This stretch sets the upper range for average daytime heat.

October52mm average rain

October sits on the drier side of Perth's year, which helps with sightseeing and transfers.

Driest monthsJanuary to April and October to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

October8.4 hours average sun

October sits close to Perth's yearly sunshine average, so it is a middle-of-the-pack month for bright days.

Brightest monthsJanuary to February and December

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

View on map

October19°C average sea

October is one of the coolest sea months, so the water may feel fresher than in peak months.

Warmest seaJanuary to May

Sea temperatures are usually near 22°C in this stretch, so swimming comfort is at its strongest.

Weather score

View on map

October56 weather score

October sits close to Perth's yearly weather-score average, giving a typical overall read on the month.

Best weather monthsJanuary to March and December

These months have the strongest weather score in the monthly averages.

Hotels in Perth, Western Australia, Australia