Mandurah in December
So, what's Mandurah actually like in December? In a word: golden. It's summer, and the days are averaging 28.1 degrees.
The average daily maximum is 28.1 degrees with overnight lows of 17.6 degrees. Comfortable during the day, with evenings that invite a light layer.
At 28.1 degrees, December runs 4.3 degrees above Mandurah's annual average of 23.8 degrees.
Rainfall in December averages 4mm over about 1 days. That means roughly a 3% chance of rain on any given day, so you can leave the umbrella at the hotel.
Sunshine-wise, December delivers around 29.4 MJ/m2 of daily solar radiation. UV sits in the extreme category. Sunscreen, hat, and sunnies are all essential. You can burn in under 10 minutes.
December earns a 8.6/10 on our Comfort Score. This is prime time.
For your suitcase: a mix of short and long sleeves, and serious sun protection.
The sea breeze usually kicks in by early afternoon in December, which is genuinely welcome. It can knock 3 to 5 degrees off the feels-like temperature.
Scroll down for the detailed climate data, or explore what nearby cities are like in December.
December at a Glance
Temperature Range
Daily temperature range in December. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Comfortable casual wear suitable for warm days
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How December in Mandurah stacks up against major cities around the world.
About 20 degrees warmer and considerably drier.
About 22 degrees warmer and considerably drier.
About 16 degrees warmer and considerably drier.
How December Compares
Mandurah's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 29.6 | 18.8 | 4mm | 7.5 |
| Feb | 32.1 | 19.8 | 2mm | 5.8 |
| Mar | 28.4 | 16.8 | 9mm | 8.2 |
| Apr | 26.9 | 15.3 | 1mm | 8.9 |
| May | 22.6 | 14.3 | 113mm | 8.0 |
| Jun | 18.2 | 11.4 | 114mm | 4.3 |
| Jul | 17.5 | 11.0 | 160mm | 3.3 |
| Aug | 17.6 | 12.4 | 159mm | 3.6 |
| Sep | 19.4 | 10.9 | 37mm | 7.4 |
| Oct | 21.0 | 13.1 | 35mm | 8.7 |
| Nov | 23.7 | 14.3 | 30mm | 10.0 |
| Dec | 28.1 | 17.6 | 4mm | 8.6 |