Perth climate
Australia
In Perth, seasonality tends to show up in mornings/evenings and indoor-outdoor gaps more than in a single number.
First-time visitors often notice “tiring weather” before they label it as hot or cold in Perth.
Climate facts
Dec · Jan · Feb
Avg low 18–20°C / high 30–32°C · Rainy days: 1–3 / ~5–20 mm
Mar · Apr · May
Avg low 12–17°C / high 22–29°C · Rainy days: 3–8 / ~20–90 mm (often higher in May)
Jun · Jul · Aug
Avg low 8–10°C / high 17–19°C · Rainy days: 10–15 / ~120–180 mm
Sep · Oct · Nov
Avg low 10–15°C / high 20–27°C · Rainy days: 4–9 / ~20–80 mm (Sep can still be showery)
How it tends to feel for travel
Rainier seasons can feel heavier even at similar temperatures, simply because you spend more time damp or under clouds.
When it tends to fit
- • Once you see the year-round pattern, it’s easier to judge whether a month fits your style.
- • If you revisit the city, separating “seasonal itineraries” can save a lot of planning time.
- • In humidity- or rain-driven cities, adjusting the indoor/outdoor ratio can change comfort a lot.
When it may not fit
- • If you rely only on averages, you may be surprised by variability (squalls, wind, indoor AC).
- • In monsoon-like periods, the more your itinerary depends on outdoor walking, the higher the risk.
- • If you’re fine with cold but hate damp chill, it can feel colder than you expect.
Outfit notes
This connects climate patterns to packing—without over-interpreting.
- • 🧩 Key idea: Perth is Mediterranean—**hot, dry summers** and **mild but wetter winters**. The main discomfort changes by season.
- • ☀️ Summer (Dec–Feb): dry heat and strong sun exposure—sunscreen/hat and hydration planning matter.
- • 🌧️ Winter (Jun–Aug): rain increases—staying dry (jacket/umbrella) improves comfort a lot.
In the end, it often depends on one or two conditions you care about most.
Explore Perth
These pages are connected so you can compare conditions and decide for yourself.