Busselton in December
If December is your window for visiting Busselton, here's what the climate data says you can expect.
Daytime highs average 28.2 degrees, dropping to 14.9 degrees overnight. That's a 13-degree swing between day and night. That's solidly pleasant territory. Great for being outdoors.
At 28.2 degrees, December runs 5.0 degrees above Busselton's annual average of 23.2 degrees.
The rain data says 5mm over 2 days. That's barely a sprinkle.
Solar exposure averages 29.2 MJ/m2 per day in December, with UV levels in the extreme range. Sunscreen, hat, and sunnies are all essential. You can burn in under 10 minutes.
December earns a 8.4/10 on our Comfort Score. This is prime time.
For your suitcase: a mix of short and long sleeves, something warmer for mornings and evenings, and serious sun protection.
The full data breakdown is below. You can also see how other Australian cities compare 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 Busselton 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
Busselton's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 30.2 | 17.2 | 1mm | 7.2 |
| Feb | 31.3 | 18.2 | 2mm | 6.4 |
| Mar | 28.1 | 16.0 | 11mm | 8.3 |
| Apr | 25.7 | 14.3 | 9mm | 9.6 |
| May | 21.6 | 13.7 | 82mm | 7.4 |
| Jun | 17.7 | 10.9 | 99mm | 4.0 |
| Jul | 16.6 | 10.4 | 166mm | 2.6 |
| Aug | 16.8 | 11.6 | 200mm | 2.6 |
| Sep | 18.2 | 10.0 | 31mm | 6.2 |
| Oct | 20.6 | 11.7 | 38mm | 8.4 |
| Nov | 23.4 | 12.5 | 18mm | 10.0 |
| Dec | 28.2 | 14.9 | 5mm | 8.4 |