What May feels like in Perth
In Perth, May brings late autumn (Perth is in the southern hemisphere, so the seasons run opposite to Europe and North America). Afternoons are mild and comfortable for most people in light layers. Once the sun goes down the air changes: nights are cool. The air is fairly humid, though at these temperatures it rarely feels oppressive.
Rain in Perth in May
Showers are a regular feature, arriving about one day in 4. Rain tends to come in heavy bursts: about 9.1 mm (0.4 in) on an average rainy day. That is close to Perth's typical rain per wet day for the whole year (about 7.8 mm).
Daylight and sunshine in May
In mid-May, sunrise is at about 6:57 am and sunset at about 5:28 pm (local time) — 10 h 31 min of daylight. Days are getting shorter: 49 min less daylight than in mid-April. About 87% of daylight hours are sunny; in short, skies are mostly clear.
How May compares to the rest of the year
Ranked by average high, May comes out as the 5th coolest month in Perth. Compared with April, afternoons are 3.6°C (6.5°F) cooler, with 41 mm more rain. The cooling trend carries on into June. The next month's average high: 18.3°C (64.9°F).
Who May suits
- Sightseeing: a good fit — daytime temperatures are fine for walking around.
- Parks & outdoor: a good fit — pleasant for gardens, parks and riversides.
- Beach: less ideal — too many rainy days.
Tips for visiting Perth in May
Versatile Layers
Pack pieces you can take off by noon and put back on at dusk.
Rain Protection
A packable rain jacket saves the day on showery afternoons.
Sunglasses
Frequent sunshine — sunglasses and a light hat.
Quick questions
How warm is Perth in May?
Afternoons average 21.2°C (70.2°F) and nights about 12.3°C (54.1°F) — mild by most people's standards. It is the 5th coolest month of the year.
Does it rain a lot in Perth in May?
It does: about 8 rainy days bring roughly 73 mm, so plan some indoor options.
What should I wear in Perth in May?
The numbers point to versatile layers, rain protection and sunglasses. Bring something extra for the cooler evenings.
Is May or June better for visiting Perth?
On our 12-month climate ranking, May comes out ahead (#9 of 12 vs #10). June is cooler and has more rainy days.