Margaret River in December
December is right in the heart of summer for Margaret River, and the weather has a definite personality this time of year.
The average daily maximum is 23.2 degrees with overnight lows of 14.1 degrees. Comfortable during the day, with evenings that invite a light layer.
December is 2.1 degrees warmer than the yearly average here.
You're looking at 19mm of rain across 6 days in a typical December. That's barely a sprinkle.
Sunshine-wise, December delivers around 28.6 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 10.0/10 on our Comfort Score. This is prime time.
Packing tip: bring a mix of short and long sleeves, and serious sun protection.
Check the data table below for the full picture, or compare Margaret River in December with another destination.
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
- T-shirts and shorts for daytime
- A light rain jacket just in case
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How December in Margaret River stacks up against major cities around the world.
About 15 degrees warmer and considerably drier.
About 17 degrees warmer and considerably drier.
About 11 degrees warmer and considerably drier.
How December Compares
Margaret River's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 26.4 | 16.4 | 9mm | 9.7 |
| Feb | 27.4 | 17.0 | 3mm | 9.1 |
| Mar | 25.2 | 15.1 | 5mm | 10.0 |
| Apr | 24.4 | 13.8 | 5mm | 10.0 |
| May | 21.3 | 14.4 | 140mm | 6.7 |
| Jun | 17.1 | 11.7 | 110mm | 3.4 |
| Jul | 16.0 | 11.5 | 199mm | 2.0 |
| Aug | 16.1 | 12.6 | 245mm | 1.8 |
| Sep | 16.9 | 10.6 | 40mm | 4.8 |
| Oct | 18.7 | 12.1 | 58mm | 6.3 |
| Nov | 20.3 | 12.6 | 35mm | 8.3 |
| Dec | 23.2 | 14.1 | 19mm | 10.0 |