Hayman Island weather in May
May is an excellent time to visit Hayman Island.
You can expect clear, sunny blue skies, mild daily temperatures with lower humidity and the occasional rain shower.
Frequently asked questions
We answer the most commonly asked questions (FAQs) about Hayman Island weather in May.
How hot is it in Hayman Island in May?
Average daytime temperatures usually reach 24°C (75°F) in Hayman Island in May with low heat and humidity, falling to 20°C (68°F) at night. This is winter so the evenings are cooler.
What does the humidity feel like in Hayman Island in May?
The average dew point temperature in Hayman Island in May is 19°C (66°F), which can feel humid and unpleasant.
There are on average 18 days in May that may feel muggy.
How sunny is it in Hayman Island in May?
There are normally seven hours of bright sunshine each day in Hayman Island in May – that's around 60% of daylight hours.
Sunrise & sunset in May?
Sunrise is around 6:30am with sunset around 5:30pm.
How warm is the sea around Hayman Island in May?
The average sea temperature around Hayman Island in May is 25°C (77°F).
Does it rain in Hayman Island in May?
There are usually 10 days with some rain in Hayman Island in May and the average monthly rainfall is 75mm (3in).
How windy is it in Hayman Island in May?
May sees an average wind speed of 25km/h (15.5 mph; 13.5 knots). March to May are the windiest months in the Whitsundays. The predominant wind direction is from the south-east and east.
What to do in Hayman Island in May?
Cooler temperatures make May the perfect time for exploring the island’s beaches and hiking trails, as well as swimming, snorkelling, scuba diving and sailing.
While you can sail all year round in Hayman Island, the sailing season is at it’s best between April and October when cooling southeast trades blow consistently between 27km/h (17 mph; 15 knots) and 46km/h (28 mph; 25 knots).
Local holidays?
None.
Hayman Island weather in May
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High Temp: 24°C (75°F) |
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Low Temp: 20°C (68°F) |
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Sunshine: 7 hours per day |
11
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Daylight: 11 hours per day |
 |
Wind speed: 25 km/h (15.5 mph; 13.5 knots) |
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Wet Days: 10 days with some rain |
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Rainfall: 75 mm (3in) per month |
 |
Comfort Level: Low heat; ≤ 18 muggy days |
7
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UV Index: High |
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Sea Temp: 25°C (77°F) |
| Hayman Island, Whitsundays | |
Best time to visit Hayman Island
For the best weather visit Hayman Island anytime between May and November. Late March through December are considered the best holiday months to visit Hayman.
› Hayman Island Weather Overview
Hayman Island weather by month
Climate source: Meteorological data for Hayman Island is based on weather statistics gathered for the period 2002 to 2024 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 Hayman 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: Hayman Island weather in May: 22 August, 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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