HOTTEST (AVG)
in Australia
#6 / 14
Perth, Australia
The climate in Perth is temperate, with annual average temperatures spanning 17°C / 62°F during August up to 31°C / 88°F in February.
Precipitation is distributed throughout the year, averaging 47 mm / 1.9 inches monthly, peaking in July (109 mm / 4.3 inches) and reaching its lowest in December (10 mm / 0.39 inches).
The UV index ranges from 4 in June to 10 in January, so strong sun protection is essential during summer months.
The longest days occur in December with around 14.2 hours of daylight, while June has the shortest days at about 10.1 hours.
From the warmth of February to the cooler days of August, Perth presents diverse weather for year-round exploration.
Today's Forecast
Plan your trip
Find the best dates. Understand the conditions. Pack with confidence.
Climate at a glance
The big-picture stats that matter for planning your visit to Perth.
Typical range
High / low
Average highs up to 31.2°C and lows down to 9.7°C.
Rain pattern
Wettest month
July averages 109 mm.
UV
Typical peak band
Typical peak UV is High.
Daylight
Seasonal range
Roughly 10 hrs to 14 hrs.
Wind
Typical strength
Average around 18 km/h, peaking in January.
When should I go?
Our top-rated months for visiting Perth, based on long-term weather comfort and conditions
Typical weather by month
Compare all monthsTip: click on a card to see detailed daily weather averages for that month.
How Perth compares
See how it ranks against the rest of Australia for key metrics.
COOLEST (AVG)
in Australia
#7 / 14
WETTEST (TOTAL)
in Australia
#13 / 14
WINDIEST (AVG)
in Australia
#1 / 14
HIGHEST UV
in Australia
#7 / 14
MOST HUMID
in Australia
#14 / 14
Short term outlook
Visiting soon? Here's the next 7 days of weather for Perth, or see an hourly breakdown for the next 14 days.
Frequently asked questions
How does the weather in Perth feel over the year?
Across the year, daytime highs average about 24°C (75°F), with nights near 14°C (57°F). Overall it feels warm by day and cool after dark. Daylight is fairly typical, with enough time for sightseeing. Expect a mix of sun and cloud across the year.
When is the best time to visit Perth for dry weather?
When is sun exposure strongest in Perth?
UV tends to peak in January, when UV levels frequently reach very high levels (around 10), so strong sun protection is essential, especially around midday.
Is Perth humid?
It can feel humid, especially in the warmer months, when humidity can climb to around 76%. Light, breathable fabrics help a lot on muggy days.
Is Perth a windy place?
Across the year, average winds sit around 18 km/h (11 mph), with gusts on windier days up to about 68 km/h (42 mph). Overall it is it is a notably windy place, and strong gusts are fairly common.
How much daylight does Perth get?
On average, days offer about 12 hours of daylight. Daylight is fairly typical, with enough time for sightseeing.