Weather in Perth, Western Australia, Australia in May
In an average May, Perth sees a daily high around 21°C and a low around 16°C, based on 1981–2026 of local climate records.
| Average high | 21°C |
|---|---|
| Typical high range | 19°C to 24°C |
| Average low | 16°C |
| Typical low range | 14°C to 19°C |
| Average daily precipitation | 3 mm |
May records
The most extreme May on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
28°C
2003-05-01
Lowest
15°C
1987-05-10
Low
Highest
22°C
1998-05-08
Lowest
11°C
2006-05-27
Feels-like
Highest
30°C
2002-05-01
Lowest
11°C
2006-05-27
Humidity
Highest
16.4 g/m³
2024-05-02
Lowest
7.3 g/m³
1981-05-23
Wind
Highest
85 km/h
1994-05-23
Lowest
7 km/h
1994-05-18
Precip
Wettest
196 mm
1981
Driest
13 mm
2019
See Perth's live weather grade →
Visiting Perth in May? See how its comfort stacks up against where you live.
Compare Perth with your city →