Perth in December
The weather in December
In December, Perth averages daytime highs of 28° and night-time lows of 17° — warm weather by day. Expect around 8 mm of precipitation spread over about 1 wet day, with average cloud cover near 16%.
Days are 2.7° warmer than in November on average, and January is warmer again by about 2.7°. The sea averages 21°, pleasant for a swim.
December scores 87/100 — excellent conditions for sightseeing — and ranks 3rd of the twelve months for Perth.
Around the middle of the month the sun rises at 05:06 and sets at 19:19 local time, giving 14 h 13 min of daylight. Days lengthen by 9 minutes over the month.
Why 87/100?
How the score for December is builtBeach score this month: 98/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Australia's best in December
Busselton
Bunbury
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Perth in December: quick answers
Is December a good time to visit Perth?
December scores 87/100 for Perth, which we rate as excellent. Average highs are 28°C with 1 wet days.
How warm is Perth in December?
Daytime highs average 28°C and night-time lows 17°C in December.
Does it rain a lot in Perth in December?
Perth receives about 8 mm of precipitation in December, falling on around 1 days.
Can you swim in Perth in December?
The sea averages 21°C in December, refreshing but swimmable.