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AustraliaThe weather in May in Perth
It's pleasantly warm in May in Perth with an average temperature of 22°C. Temperatures this month range from a low of 20°C to a high of 25°C. At night, you can expect temperatures between 10°C and 12°C.
Looking for great weather? May is a good time to be in Perth. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Perth, Australia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 32°C in 2018, Perth reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 14°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 18°C.
Rainfall amount
In May, there is an average of 65 mm of precipitation, spread over 10 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in May for Perth
Click on any day in May to get detailed info about the usual weather on that day in Perth. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| Perth | New York | |
|---|---|---|
| Average temperature | 22°C | 22°C |
| Max. temperature | 25°C | 28°C |
| Min. temperature | 10°C | -5°C |
| Total precipitation | 65 mm | 105 mm |
| Rainy days | 10 days | 14 days |
Start of May
The month of May starts in Perth with warm temps, averaging around 23°C during the day and nights around 11°C.
Mid May
By mid-May, daytime temps stay steady at around 23°C, with nights around 12°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of May
By the end of May, the average daytime temperature in Perth is around 21°C, while nighttime temps are about 11°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Check out the climate of Perth for all months and discover the best travel time
Curious about the weather in other parts of Australia? Check out the climate and weather for spots like Sydney, Gold Coast, Melbourne, or explore other destinations in Australia.
Temperature charts
These charts show the average temperatures in May in Perth, Australia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Perth
Temperature in May in Perth over the years
Precipitation charts
These charts show the average amount of precipitation in May in Perth, Australia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Perth
Total precipitation in May in Perth over the years
Daily UV index in May in Perth
This chart shows the average daily UV index in May in Perth, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in Perth
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Average weather in Perth by month
Click on a month below to see detailed weather info for Perth. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.