Hamilton Island weather in December
December is an excellent time to visit Hamilton Island, despite falling at the start of the hot, wet season.
You can expect clear, sunny skies, warm to hot temperatures and high humidity on most days with tropical rain showers falling in the late afternoon or early evening.
How hot is it in Hamilton Island in December?
Daytime temperatures usually reach 30°C (86°F) in Hamilton Island in December with high heat and humidity, falling to 24°C (75°F) at night.
What does the humidity feel like in Hamilton Island in December?
The average dew point temperature in Hamilton Island in December is 23°C (73°F), which can feel muggy and uncomfortable.
There are on average 28 days in December that may feel muggy.
How sunny is it in Hamilton Island in December?
There are normally nine hours of bright sunshine each day in Hamilton Island in December – that's around 69% of daylight hours.
Sunrise & sunset in December?
Sunrise is around 5:15am with sunset around 6:15pm.
How warm is the sea around Hamilton Island in December?
The average sea temperature around Hamilton Island in December is 28°C (82°F), which is pleasant for swimming.
Does it rain in Hamilton Island in December?
There are usually seven days with some rain in Hamilton Island in December and the average monthly rainfall is 104mm (4in).
How windy is it in Hamilton Island in December?
December sees an average wind speed of 24km/h (15 mph; 13 knots). The predominant wind direction is from the south-east and east. However, north-east winds occur with increasing frequency from September through to January.
What to do in Hamilton Island in December?
Despite the occasional rain shower, December is still a good time to enjoy the island’s beaches and hiking trails, as well as swimming, snorkelling, scuba diving and sailing.
Note: Be aware that the stinger season lasts from October to March. A lycra stinger suit should be worn when swimming in Hamilton Island during this time. The risk of being stung is small. Sharks are generally not regarded as a risk.
Local holidays?
Christmas Holidays – 25th - 26th Dec.
Peak summer season in Hamilton Island lasts from mid-December to the first week of January – flights and hotel rooms should be booked well in advance to avoid disappointment.
Hamilton Island weather in December
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High Temp: 30°C (86°F) |
 |
Low Temp: 24°C (75°F) |
 |
Sunshine: 9 hours per day |
13
 |
Daylight: 13 hours per day |
 |
Wet Days: 7 days with some rain |
 |
Rainfall: 104 mm (4 in) per month |
 |
Comfort Level: High heat; 78% relative humidity |
|
Dew Point: 23°C (73°F) – Muggy |
11
 |
UV Index: Extreme |
 |
Wind speed: 24 km/h (15 mph; 13 knots) |
 |
Sea Temp: 28°C (82°F) |
| Hamilton Island, Whitsundays | |
Best time to visit Hamilton Island
For the best weather visit Hamilton Island anytime between May and November.
› Hamilton Island Weather Overview
Hamilton Island weather by month
Climate source: Meteorological data for Hamilton Island is based on weather statistics gathered for the 30-year period 1991 to 2020 by the Bureau of Meteorology (BoM) from the closest weather station: Hamilton Island Airport (HTI), also known as Great Barrier Reef Airport.
Advice on the best time to visit Hamilton Island is based on average local weather statistics, when the weather conditions are generally better than at other times of the year. We consider high and low temperatures, risk of rain (and thunderstorms, etc.), amount of sunshine and sea temperature. For general outdoor activities we favour clear, rainless days with a temperature range between 18°C (64°F) and 27°C (80°F); and for hot-weather activities we favour clear, rainless days with a temperature range between 24°C (75°F) and 32°C (89°F). Often, the best times to visit correspond to high season and therefore involve higher prices. Dew point temperature measures moisture content in the atmosphere: a higher dew point feels more humid, while a lower dew point feels drier.
Latest update: Hamilton Island weather in December: 18 April, 2025
Disclaimer: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data and conditions at any given location and time are unpredictable and variable. We assume no responsibility and can not be held legally responsible for any decisions made on the basis of the information presented on this site.
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