Perth weather in May
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Perth May weather at a glance
In May, Perth averages 18.2°C, with typical highs of 23.7°C and lows of 14.1°C. The historical average is 9 wet days and 63% humidity.
Perth May temperature & humidity
Perth May rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Perth in May
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
- DaytimeLong sleeves and a light jacket · average high 23.7°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 14.1°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Perth May sunrise & sunset times
2026 May · Local time (Australia/Perth)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-05-01 | 06:48 | 17:39 | 10h 51m |
| 2026-05-15 | 06:58 | 17:28 | 10h 30m |
| 2026-05-31 | 07:08 | 17:20 | 10h 13m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Forecast · Windy. Monthly averages are in the Temperature section.
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Best months to visit Perth
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
May weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Perth weather like in May?
In May, Perth averages 18.2°C, with typical highs of 23.7°C and lows of 14.1°C. The historical average is 9 wet days and 63% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Perth in May?
There are about 9 wet days in May. A compact umbrella is still useful.
What should I wear in Perth in May?
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Perth?
Recent weather data rates January, February, March, April among the more comfortable months.
Where can I check Perth weather in May in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Perth in May?
On 2026-05-15, calculated sunrise is 06:58 and sunset is 17:28 in local time (Australia/Perth). Times vary by date and terrain.
Perth weather by month
More Oceania destinations in May
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations