Perth Weather in May

May in Perth brings pleasant temperatures, with highs of 19°C (66°F) and nights dropping to 8°C (46°F). Rainfall is on the higher side this month, averaging around 82 mm (3.2 in), so keep a rain jacket handy.

Rainfall in Perth in May

Typically, you can expect about 10 days of rain this month, with 82 mm (3.2 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Perth in May

In May, Perth sees pleasant temperatures, with highs of 19°C (66°F). Nights drop to around 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Perth in May

Expect sunny days throughout the month, with an estimated 231 hours of sunshine. This makes it a pleasant time to visit Perth.

If you prefer dry days with pleasant temperatures, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.