Perth Weather in January
In January, Perth averages a high of 31°C (87°F) and a low of 19°C (66°F), based on 22 years of historical weather data from PERTH REGIONAL OFFICE.
31°C
Average high
87°F
19°C
Average low
66°F
46°C
Record high
114°F · 1991
10°C
Record low
50°F · 1971
What to Expect in Perth in January
Typical January days in Perth reach 31°C (87°F) during the afternoon and cool to around 19°C (66°F) overnight. On average, measurable rain falls on about 10% of days this month. Over the past 22 years, January temperatures in Perth have ranged from a record high of 46°C (1991) down to a record low of 10°C (1971).
For a day-by-day look or other months, see the full Perth weather history.