December · Australia
Best time to visit Phillip Island in December Weather, crowds & prices
Weather in Phillip Island in December
Average temperature 17°C, 67 mm of rain, about 31 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
9.0/10
Ranked #3 of 12 months
- Avg temp
- 17°C
- Rainfall
- 67 mm
- Humidity
- 76%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
December in Phillip Island scores 9.0/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around 17°C, 67 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Phillip Island is famous for little penguin parades-coastal cliffs and wildlife day trips from Melbourne. Best window: November through March in the Southern Hemisphere.
December is one of the strongest months in Phillip Island (3rd)
December averages 17°C (63°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 67 mm, so plan one flexible day in three; you still get about 31 days with 6+ hours of sunshine and 14.7 hours of daylight.
A 9/10 puts this among the year's best months in Phillip Island (3rd of 12); only February scores higher, at 9.7/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer, footwear you can get muddy.
Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Phillip Island in December?
- In December, Phillip Island averages 17°C, 67 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.0/10.
- Is December a good time to visit Phillip Island?
- December earns a 9.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Phillip Island in December?
- Expect about 67 mm of rain in December. Average humidity is 76% and there are about 31 days with 6+ hours of sunshine.
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Phillip Island, Australia. Live activities and tours from GetYourGuide, matched to this destination.