December · Australia
Best time to visit Hamilton Island in December Weather, crowds & prices
Weather in Hamilton Island in December
Average temperature 27°C, 174 mm of rain, about 31 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
December score
7.4/10
Ranked #10 of 12 months
- Avg temp
- 27°C
- Rainfall
- 174 mm
- Humidity
- 75%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
December in Hamilton Island scores 7.4/10 for beach and coastal travel - ranked #10 of 12. Expect around 27°C, 174 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Hamilton Island is a Whitsundays resort isle-yacht views, reef day boats, and hilltop lookouts. Best window: the drier months outside peak monsoon.
December in Hamilton Island — reliably good (10th best month)
December averages 27°C (81°F) and humidity near 75%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 174 mm — wet for this destination — but about 31 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.4/10 here, 10th of 12 months, against 9.7/10 in the destination's best month.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Figure on mid-season pricing, with crowds are moderate.
Flexible dates? September scores 2.3 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Hamilton Island in December?
- In December, Hamilton Island averages 27°C, 174 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 7.4/10.
- Is December a good time to visit Hamilton Island?
- December earns a 7.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Hamilton Island in December?
- Expect about 174 mm of rain in December. Average humidity is 75% and there are about 31 days with 6+ hours of sunshine.
Curated in Hamilton Island
Tickets & experiences
Things to do in Hamilton Island
Hamilton Island, Australia. Live activities and tours from GetYourGuide, matched to this destination.