Weather in Perth in May
In an average May, Perth sees a daily high around 21°C and a low around 14°C, based on 1980–2026 of local climate records.
| Average high | 21°C |
|---|---|
| Typical high range | 18°C to 25°C |
| Average low | 14°C |
| Typical low range | 11°C to 17°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
30°C
2002-05-01
Lowest
13°C
1995-05-23
Low
Highest
21°C
2002-05-01
Lowest
7°C
2019-05-17
Feels-like
Highest
34°C
2002-05-01
Lowest
4°C
2019-05-16
Humidity
Highest
16.9 g/m³
2005-05-01
Lowest
4.4 g/m³
1985-05-23
Wind
Highest
55 km/h
1994-05-29
Lowest
8 km/h
1983-05-20
Gust
Highest
106 km/h
2020-05-24
Lowest
15 km/h
1983-05-07
Precip
Wettest
153 mm
1984
Driest
12 mm
2019
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