St James Weather Forecast
- 19
- 37
Sunny
- 25
- 40
Possible shower or storm
- 24
- 35
Mostly sunny
- 20
- 29
Partly cloudy
- 17
- 28
Cloud clearing
- 16
- 30
Sunny
- 17
- 32
Sunny
Today 13 Dec Perth
Mostly sunny. The chance of a thunderstorm about the northern suburbs during this afternoon and evening. Winds easterly 25 to 40 km/h.
St James Temperature Statistics View More
December Temperature
Perth Metro (9km)
Lowest 4 December, 2025
14.6 °CAverage December
22.4 °CHighest 1 December, 2025
39 °C
Climate (2020–Present)
Perth Metro (9km)
Average Low 2020–2025
13.4 °CAverage 2020–2025
18.9 °CAverage High 2020–2025
25.5 °C