Weather in Perth in January
In an average January, Perth sees a daily high around 31°C and a low around 18°C, based on 1980–2026 of local climate records.
| Average high | 31°C |
|---|---|
| Typical high range | 24°C to 37°C |
| Average low | 18°C |
| Typical low range | 14°C to 22°C |
| Average daily precipitation | 0 mm |
January records
The most extreme January on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total January accumulation.
High
Highest
44°C
1991-01-31
Lowest
19°C
1990-01-28
Low
Highest
29°C
2025-01-20
Lowest
9°C
1988-01-13
Feels-like
Highest
61°C
2008-01-17
Lowest
5°C
1988-01-13
Humidity
Highest
20.8 g/m³
2011-01-30
Lowest
5.3 g/m³
1986-01-23
Wind
Highest
39 km/h
2019-01-23
Lowest
13 km/h
2016-01-19
Gust
Highest
83 km/h
2019-01-23
Lowest
24 km/h
2015-01-20
Precip
Wettest
122 mm
2018
Driest
0 mm
2022
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