Best time to visit Hayman Island
The best time to visit Hayman Island is during the dry season from June through November.
Hayman Island weather
Hayman Island experiences a tropical climate of hot, wet summers (from December to March), mild to warm, relatively dry winters (from June to August), and a warm spring (September to November) and autumn (March to May).
The wet 'green' season from January to March is generally hot, wet and humid. Tropical rain showers last from December through May. You can also expect some rainfall throughout the year in Hayman Island.
What is the best month to visit Hayman Island?
August, September and October are considered the best months to visit Hayman Island – the weather is pleasantly mild to warm with sunny, clear blue skies and little to no rainfall.
However, anytime between June and November is good, despite the cooler sea water temperatures in July and August.
Which is the hottest month in Hayman Island?
The hottest month in Hayman Island is normally January, with an average high of 30°C (86°F), with high heat and humidity, and a low of 25°C (77°F).
However, on the warmest days of the month, the temperature may climb to around 34°C (93°F).
The hot season lasts from November through March, with an average daily high temperature above 28°C (82°F).
Which is the coldest month in Hayman Island?
The coldest month in Hayman Island is normally July, with an average high of 21°C (69°F) and a low of 18°C (64°F).
The cool season lasts from early-June to late-August, with an average daily high temperature below 23°C (73°F).
When is it sunniest in Hayman Island?
The sunniest month in Hayman Island is usually September with nine hours of bright sunshine per day; that's around 78% of daylight hours.
On average, the sky is clear, mostly clear, or partly cloudy 83% of the time during September.
The sky is clear, mostly clear or partially-cloudy from early-April to early-December,
From early-December to early-April the sky is more cloudy.
The month with the most cloud cover in Hayman Island is January, during which on average the sky is overcast or mostly cloudy 60% of the time.
When is the sea warmest in Hayman Island?
The sea is usually at its warmest in Hayman Island in February, when the sea temperature averages 28°C (82°F), which is pleasant for swimming.
From December to early-April, the sea has an average temperature above 27°C (80°F), which is warm enough for swimming.
Cooler sea water temperatures last from mid-June to mid-September, with an average temperature below 23°C (73°F).
The coolest time is in winter, during July and August, with an average water temperature of 22°C (71°F), which is barely acceptable for swimming.
Hayman Island – Temperature averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average high temperature (°C) | |||||||||||
| 30 | 30 | 29 | 27 | 25 | 22 | 21 | 23 | 25 | 27 | 29 | 30 |
| Average low temperature (°C) | |||||||||||
| 25 | 25 | 24 | 23 | 21 | 19 | 18 | 18 | 20 | 22 | 23 | 24 |
| Average daily sunshine (hrs) | |||||||||||
| 9 | 7 | 7 | 7 | 7 | 7 | 7 | 9 | 9 | 10 | 9 | 9 |
| Average daily daylight (hrs) | |||||||||||
| 13 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 12 | 13 | 13 | 13 |
| Comfort level – heat | |||||||||||
 |
|
 |
|
 |
|
|
|
|
|
|
|
| Average sea temperature (°C) | |||||||||||
| 28 | 28 | 28 | 26 | 25 | 23 | 22 | 22 | 23 | 25 | 26 | 28 |
Weather station: Hayman Island Resort; with additional data from Hamilton Island Airport (HTI), also known as Great Barrier Reef Airport. Source: Bureau of Meteorology (BoM). Climate data collected during 1991 to 2020.
What is the humidity in Hayman Island?
Hayman Island experiences seasonal variation in humidity, with approximate average relative humidity calculated at between 74% – 83% over the course of the year.
What do the humidity conditions feel like in Hayman Island?
We derive the humidity comfort level – what conditions feel like – from the dew point temperature, which measures moisture content in the atmosphere: a higher dew point feels more humid, while a lower dew point feels drier.
Meteorologists agree that dew point temperature is a more consistant indication of 'absolute humidity' than relative humidity, which fluctuates with temperature.
The average annual dew point in Hayman Island is 20°C (68°F), and varies over the course of the year from comfortable at 15°C (59°F) to muggy at 24°C (75°F).
The more humid time of year lasts from late-September through to early-June, when you can expect the comfort level to be muggy at least 35% of the time.
The months with the most muggy days in Hayman Island are January, February and March, with every day in each month muggy or worse.
July and August are generally more comfortable, with around five days in each month that may feel muggy.
Hayman Island – Humidity and UV averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Comfort level – humidity (#muggy days) | |||||||||||
| 30 | 28 | 30 | 25 | 18 | 8 | 5 | 5 | 10 | 17 | 22 | 28 |
| Average dew point temperature (°C) | |||||||||||
| 24 | 24 | 23 | 21 | 19 | 17 | 15 | 16 | 18 | 20 | 22 | 23 |
| Average relative humidity (%) | |||||||||||
| 79 | 83 | 82 | 81 | 83 | 82 | 79 | 79 | 74 | 74 | 76 | 78 |
| UV Index (max) | |||||||||||
| 11+ | 11+ | 11+ | 10 | 7 | 6 | 6 | 8 | 10 | 11+ | 11+ | 11+ |
Which month has the most rain in Hayman Island?
February is usually the wettest month in Hayman Island, with an average of 295mm (11in) of rainfall distributed across 13 days.
The rainy season normally lasts from December through March, with a greater than 24% chance of a given day being a wet day.
What is the driest month in Hayman Island?
October has the least rainfall with an average of 6mm (‹1in) distributed across three days.
The drier season lasts from May through November.
What are the windiest months in Hayman Island?
March is the windiest month, with an average hourly wind speed of 26 kilometres per hour (16 mph; 14 knots).
The windy time of year lasts from late-January to mid-June, with average wind speeds of more than 24 kilometres per hour (15 mph; 13 knots).
The calmer time of year lasts from mid-June to late-January. The calmest month in Hamilton Island is September, with an average hourly wind speed of 22 kilometres per hour (14 mph; 12 knots)..
The predominant wind direction in the Whitsundays is from the east throughout the year.
When is the best time for sailing in Hayman Island?
While you can sail year-round from Hayman Island, August to November is considered the most settled time of year for sailing in the Whitsundays.
The Whitsunday Islands are influenced by the South Pacific trade winds and consequently experience south-east and east winds, with the exception from November to January, when it’s usual to get wind from the northeast.
Is there a risk of a tropical storm in Hayman Island?
The risk of a tropical storm in Hayman Island is greatest between January and March. The region is prone to tropical cyclones, which usually form between November and May.
Queensland has an excellent cyclone warning system that provides plenty of advance notice of an impending cyclone.
Hayman Island – Rainfall and wind averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average days of rainfall (≥1mm) | |||||||||||
| 11 | 13 | 13 | 13 | 10 | 9 | 5 | 4 | 3 | 3 | 5 | 7 |
| Average monthly rainfall (mm) | |||||||||||
| 126 | 295 | 155 | 97 | 75 | 41 | 30 | 16 | 13 | 6 | 25 | 98 |
| Average wind speed (km/h) | |||||||||||
| 23 | 24 | 26 | 26 | 25 | 24 | 23 | 23 | 22 | 22 | 23 | 24 |
Holiday seasons
High season: Typically, school and public holidays from late December to the end of January, Easter, from late June to early July and from late September to early October. Winter, from June through August, is also popular.
Low season: Any time outside the main school and public holiday periods.
Note: The waters of tropical Queensland are home to marine stingers and jellyfish. The high risk season is from October to May. Most accredited Whitsunday tour operators offer protective ‘stinger suits’ to all customers at little or no cost.
If you do get stung do not rub the sting area instead, apply vinegar immediately and seek medical attention urgently. Dial 000 for an ambulance.
Hayman Island weather by month
Advice on the best time to visit a particular destination 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.
Latest update: Best time to visit Hayman Island: 13 July, 2024
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.
Advertising