When to go
The Best Time to Visit Perth
Month-by-month climate data for Perth, Australia — daily highs and lows, rain days, and an honest verdict for every month of the year.
Timing is the first real decision when planning Perth— it drives crowds, prices and what's actually open. Here's how the year breaks down so you can pick dates that fit the trip you're building, not just the weather.
September–November, March–May. Spring wildflowers or golden autumn — both dodge the 38°C summer spikes. Even winter (18°C) beats most places' summer.
Warmest in Perth: Feb (31°C / 88°F) · Coolest: Jun (18°C / 64°F) · Wettest: Jul (~17 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
Perth climate, month by month
January
30° / 19°C
~0 rain days
Excellent
February
31° / 20°C
~2 rain days
Excellent
March
29° / 18°C
~5 rain days
Excellent
April
25° / 15°C
~6 rain days
Excellent
May
22° / 13°C
~10 rain days
Excellent
June
18° / 11°C
~14 rain days
Good
July
18° / 11°C
~17 rain days
Good
August
18° / 10°C
~13 rain days
Excellent
September
20° / 11°C
~8 rain days
Excellent
October
22° / 12°C
~6 rain days
Excellent
November
25° / 15°C
~6 rain days
Excellent
December
29° / 18°C
~2 rain days
Excellent
Plan around it
Dates locked in? Start from the Perth travel guide or jump straight to a 3-day, 5-day or 7-day itinerary.