Weather in Perth in May
In an average May, Perth sees a daily high around 21°C and a low around 11°C, based on 1980–2026 of local climate records.
| Average high | 21°C |
|---|---|
| Typical high range | 17°C to 25°C |
| Average low | 11°C |
| Typical low range | 8°C to 15°C |
| Average daily precipitation | 3 mm |
May records
The most extreme May on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
31°C
2002-05-01
Lowest
11°C
1993-05-28
Low
Highest
20°C
2002-05-01
Lowest
3°C
2019-05-17
Feels-like
Highest
35°C
2002-05-01
Lowest
0°C
2019-05-17
Humidity
Highest
16.4 g/m³
2005-05-01
Lowest
3.4 g/m³
1985-05-23
Wind
Highest
57 km/h
2026-05-31
Lowest
7 km/h
2000-05-01
Gust
Highest
107 km/h
2020-05-24
Lowest
15 km/h
2000-05-01
Precip
Wettest
156 mm
1984
Driest
10 mm
2019
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