Magnetic Island Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Magnetic Island, Australia in August.

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Nelly Bay Horseshoe Bay Arcadia Picnic Bay

Planning a trip to Magnetic Island, Australia this August? Here's what you need to know about the weather:

What to Expect in Magnetic Island in August

Magnetic Island, Australia is a region in Australia. August in Magnetic Island generally has warm temperatures, with low precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 25°C (77°F) and nighttime temperatures around 18°C (64°F) in Nelly Bay.

To learn more about the conditions in specific areas of Magnetic Island, Australia, check out the map below.

Precipitation

August is a dry month with an average rainfall of around 23 mm (0.9 in) in Nelly Bay.

Average sunshine

Several destinations enjoy plenty of sunshine this month. Nelly Bay sees close to 279 hours of sunlight, making it great for sun lovers.

Explore Magnetic Island by month

Pick a month to see the average temperature, rainfall and sunshine in Magnetic Island — and find the best time to visit. (based on Nelly Bay)

January31°C (88°F) February31°C (88°F) March30°C (86°F) April29°C (84°F) May27°C (81°F) June25°C (77°F) This monthJuly25°C (77°F) August25°C (77°F) September27°C (81°F) October28°C (82°F) November30°C (86°F) December31°C (88°F)
Best Time to Visit Magnetic Island →

Best Places to Visit in Magnetic Island in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Magnetic Island.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Magnetic Island

What is the weather like in August for some of the most popular destinations in Magnetic Island, Australia?

Temperature range in Magnetic Island (August)

Precipitation variation in Magnetic Island (August)

Nelly Bay

In August Nelly Bay generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 18°C (64°F) and low monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
25°C (77°F)
25°C (77°F)
27°C (81°F)
Min temperature
17°C (63°F)
18°C (64°F)
20°C (68°F)
Monthly sun hours
257 hours
279 hours
285 hours
Monthly rainfall
25 mm (1 in)
23 mm (0.9 in)
17 mm (0.7 in)
Monthly rainy days
5 days
4 days
3 days
Weather conditions
perfect
perfect
perfect
Climate in Nelly Bay →

Horseshoe Bay

In August Horseshoe Bay generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 18°C (64°F) and low monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
24°C (75°F)
25°C (77°F)
26°C (79°F)
Min temperature
18°C (64°F)
18°C (64°F)
21°C (70°F)
Monthly sun hours
257 hours
279 hours
285 hours
Monthly rainfall
27 mm (1.1 in)
25 mm (1 in)
18 mm (0.7 in)
Monthly rainy days
5 days
4 days
3 days
Weather conditions
perfect
perfect
perfect
Climate in Horseshoe Bay →

Arcadia

In August Arcadia generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 18°C (64°F) and low monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
25°C (77°F)
25°C (77°F)
27°C (81°F)
Min temperature
17°C (63°F)
18°C (64°F)
20°C (68°F)
Monthly sun hours
257 hours
279 hours
285 hours
Monthly rainfall
26 mm (1 in)
24 mm (0.9 in)
17 mm (0.7 in)
Monthly rainy days
5 days
4 days
3 days
Weather conditions
perfect
perfect
perfect
Climate in Arcadia →

Picnic Bay

In August Picnic Bay generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 18°C (64°F) and low monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
25°C (77°F)
26°C (79°F)
27°C (81°F)
Min temperature
17°C (63°F)
18°C (64°F)
20°C (68°F)
Monthly sun hours
257 hours
279 hours
285 hours
Monthly rainfall
24 mm (0.9 in)
22 mm (0.9 in)
17 mm (0.7 in)
Monthly rainy days
5 days
4 days
3 days
Weather conditions
perfect
perfect
perfect
Climate in Picnic Bay →

Is your destination not in the list? Have a look at all destinations in Magnetic Island, in Australia.

In our records: Australia August extremes

Notable August records observed across cities in Australia in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • Based on our data, the coldest August night in Australia dropped to -13°C (9°F) in Thredbo on August 18, 2025.
  • In our records, the coldest August daytime high in Australia was -5°C (23°F) in Thredbo on August 5, 2020.

Popular cities in August

Day & night temperatures, rainfall and average weather in Magnetic Island in August.

City Weather Day temp Night temp Rainfall
Nelly Bay 25°C (77°F) 18°C (64°F) 23 mm (0.9 in)
Horseshoe Bay 25°C (77°F) 18°C (64°F) 25 mm (1 in)
Arcadia 25°C (77°F) 18°C (64°F) 24 mm (0.9 in)
Picnic Bay 26°C (79°F) 18°C (64°F) 22 mm (0.9 in)

Magnetic Island weather in August: frequently asked questions

What is the weather like in Magnetic Island, Australia in August?

Expect perfect weather across Magnetic Island, Australia in August. The popular destination of Nelly Bay averages 25°C (77°F) by day and 18°C (64°F) at night during this month.

What is the average temperature in Magnetic Island, Australia in August?

Average temperatures in Magnetic Island, Australia during August range from a nighttime low near 18°C (64°F) to a daytime high around 25°C (77°F) in Nelly Bay.

Does Magnetic Island, Australia get a lot of rain in August?

August is on the drier side in Magnetic Island, Australia. Nelly Bay averages only about 23 mm (0.9 in), with most days staying dry.

Is August a Good Time to Visit Magnetic Island, Australia?

We believe that August is one of the best times to visit Magnetic Island, Australia with overall perfect weather in Nelly Bay. However, the weather conditions may vary depending on your destination.

Generally speaking, April, May, June, July, August, September and October provide perfect weather in Nelly Bay. On the other hand, the weather in January and February tend to be poor.

Interested in more climate information?

We have much more information about the climate in Magnetic Island.

Weather and climate has detailed information for every country in the world. Are you going to Australia? Get detailed historical weather averages for many cities in Australia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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