Weather in Perth in January
In an average January, Perth sees a daily high around 28°C and a low around 19°C, based on 1980–2026 of local climate records.
| Average high | 28°C |
|---|---|
| Typical high range | 23°C to 34°C |
| Average low | 19°C |
| Typical low range | 16°C to 23°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
40°C
1991-01-31
Lowest
19°C
2019-01-24
Low
Highest
30°C
2025-01-20
Lowest
12°C
1988-01-13
Feels-like
Highest
55°C
2008-01-17
Lowest
12°C
1988-01-13
Humidity
Highest
20.7 g/m³
2011-01-30
Lowest
6.6 g/m³
1983-01-13
Wind
Highest
44 km/h
2016-01-31
Lowest
12 km/h
2012-01-27
Gust
Highest
77 km/h
2019-01-23
Lowest
26 km/h
2015-01-20
Precip
Wettest
146 mm
2018
Driest
0 mm
2022
See Perth's live weather grade →
Visiting Perth in January? See how its comfort stacks up against where you live.
Compare Perth with your city →