Phillip Island in December
If December is your window for visiting Phillip Island, here's what the climate data says you can expect.
Expect the mercury to hit around 21.8 degrees during the day and settle at 15.1 degrees after dark. The temperature stays pretty consistent through the day. That's solidly pleasant territory. Great for being outdoors.
December is 3.5 degrees warmer than the yearly average here.
You're looking at 82mm of rain across 10 days in a typical December. Moderate, often falling in a few good dumps rather than constant drizzle.
Solar exposure averages 26.8 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.
Our Comfort Score rates December at 8.9/10. That's about as good as it gets.
For your suitcase: a decent jumper or fleece, waterproof gear, and serious sun protection.
Check the data table below for the full picture, or compare Phillip Island 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
- A jumper or light cardigan for flexibility
- Proper rain gear for frequent showers
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
Coming From Overseas?
How December in Phillip Island stacks up against major cities around the world.
About 14 degrees warmer and considerably wetter.
About 16 degrees warmer and considerably drier.
About 10 degrees warmer and considerably wetter.
How December Compares
Phillip Island's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 22.0 | 16.3 | 53mm | 9.1 |
| Feb | 23.5 | 16.4 | 7mm | 10.0 |
| Mar | 22.3 | 15.9 | 14mm | 9.7 |
| Apr | 17.4 | 13.4 | 88mm | 4.1 |
| May | 16.3 | 11.6 | 29mm | 3.9 |
| Jun | 13.5 | 9.8 | 30mm | 1.9 |
| Jul | 12.7 | 8.8 | 84mm | 1.0 |
| Aug | 16.0 | 10.0 | 39mm | 3.7 |
| Sep | 15.6 | 10.6 | 55mm | 3.4 |
| Oct | 17.8 | 11.7 | 67mm | 5.9 |
| Nov | 20.8 | 13.7 | 65mm | 8.4 |
| Dec | 21.8 | 15.1 | 82mm | 8.9 |