South Perth Weather in May
What's the weather like in South Perth (Western Australia) in May 2025?
The climate in South Perth during May can be summarized as mild and damp.
May is in the fall / autumn in South Perth and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a comfortable 21°C (70°F), whilst at night 11°C (52°F) is normal.
| Daytime temperature | 21.2°C 70.1°F |
|---|---|
| Nightly temperature | 11.1°C 51.9°F |
| Average temperature | 16.1°C 61°F |
| Daily sunshine | 6.2 hrs |
| Avg rainfall | 112 mm 4.4 ins |
| Rainy days | 12 days |
| Sea temperature | 22°C 71.6°F |
| Humidity | 62% |
| Windspeed | 15.5kph 10 mph |
On average May is the 4th wettest month of the year in South Perth with around 112mm 4.4 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.2 hours of sunshine per day.
May temperatures in South Perth
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in South Perth in May 2024.
Other monthly averages
South Perth weather stats
| Hottest month: | February | 30.9°C 87.6°F |
|---|---|---|
| Driest month: | January | 8mm 0.3ins |
| Sunniest month: | January | 12hrs |
| Coldest month: | July | 17.4°C 63.3°F |
| Wettest month: | June | 177mm 7ins |
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