Weather in Rottnest Island, Perth, Australia in August

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Visiting Rottnest Island, Perth, Australia in August

The weather in August is marginally warmer than the previous month and temperatures continue to rise slightly into September. August has average maximum temperatures of 19°C (67°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 56% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.1 hours of sunshine per day. It is not a good time for sunbathing in Rottnest Island.

August has total rainfall of 26.1cm (10.3inches) making it quite rainy but mostly with moderate showers. There are 15.4 days with some rainfall so you can still enjoy the beach on the clear days.

Sea temperatures are a chilly 17°C (63°F). August is a little too cold to enjoy swimming in Rottnest Island for prolonged periods of time. The sea temperature in August is cooler than the previous month and temperatures continue to drop slightly into September.

In August, the weather at Rottnest Island begins to improve, with fewer rainy days and milder temperatures. Swimming and sunbathing may still be less appealing, but snorkeling, diving, and surfing can be enjoyed during this month. The winds also begin to pick up, providing better conditions for windsurfing and kitesurfing. Consider visiting Rottnest Island in the months of January, February, March, December, for the best beach weather. Also consider one of our other suggestions for August.

Can you sunbathe in Rottnest Island in August?

No, August is not a good time for sunbathing in Rottnest Island.

August has average maximum temperatures of 19°C (67°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 56% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.1 hours of sunshine per day. August has total rainfall of 26.1cm (10.3inches) making it quite rainy but mostly with moderate showers. There are 15.4 days with some rainfall so you can still enjoy the beach on the clear days.

More about August temperature and sunshine.

Can you swim in Rottnest Island in August?

Probably not, August is a little too cold to enjoy swimming in Rottnest Island for prolonged periods of time with the sea water at 17°C (63°F).

More about August sea temperatures.

Is August a good time to holiday in Rottnest Island?

Yes, August is a good time for a holiday in Rottnest Island.

August has average maximum temperatures of 19°C (67°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 56% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.1 hours of sunshine per day. August has total rainfall of 26.1cm (10.3inches) making it quite rainy but mostly with moderate showers. There are 15.4 days with some rainfall so you can still enjoy the beach on the clear days. It is not a good time for sunbathing in Rottnest Island. Sea temperatures are a chilly 17°C (63°F). August is a little too cold to enjoy swimming in Rottnest Island for prolonged periods of time.

More about the August temperatures and sunshine.

Is Rottnest Island warm in August?

Yes, Rottnest Island is not that warm but sunbathing may be possible on some clear days in August.

The average maximum temperature in Rottnest Island in August is 19°C (67°F). The average maximum temperature is 18°C (65°) in the previous month and 20°C (68°F) in the next month.

The average temperature in Rottnest Island in August is 14°C (56°F). The average temperature is 12°C (54°F) in the previous month and 14°C (58°F) in the next month.

More info about the August temperatures and sunshine.

How sunny is Rottnest Island in August?

The average day light hours per day in Rottnest Island in August are 10.9. The sunshine percentage is 56% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.1 hours of sunshine per day.

More about August sunshine.

Crowds in Rottnest Island in August

August sees a slight increase in visitor numbers on Rottnest Island, as the winter season begins to come to an end. However, the beach is still relatively quiet during this month, with only a few people venturing out for a swim or a walk along the shore. There are no major public holidays or events in August, which helps to keep the crowds at bay.

Temperature in Rottnest Island in August

The weather in August is marginally warmer than the previous month and temperatures continue to rise slightly into September. The average maximum temperature in Rottnest Island in August is 19°C (67°F). The average maximum temperature is 18°C (65°F) in the previous month and 20°C (68°F) in the next month.

The average temperature in Rottnest Island in August is 14°C (56°F). The average temperature is 12°C (54°F) in the previous month and 14°C (58°F) in the next month.

The average minimum temperature in Rottnest Island in August is 8°C (46°F). The minimum temperature is 7°C (45°F) in the previous month and 9°C (47°F) in the next month.

Sunshine in Rottnest Island in August

The days in August are longer than the previous month and the days continue to get slightly longer into September. August has slightly more hours of sunshine than the previous month and hours of sunshine continue to rise into September. During August the average day light hours are 10.9 per day in Rottnest Island. The sunshine percentage is 56% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.1 hours of sunshine per day.

The ultraviolet index in Rottnest Island in August is typically 5 during August. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Rottnest Island in August

The average sea water temperature in Rottnest Island in August is 17.2°C (63.0°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water. The sea temperature in August is cooler than the previous month and temperatures continue to drop slightly into September.

Rainfall in Rottnest Island in August

August weather is wetter than the previous month. August has fewer days of rain than the previous month. The average total rainfall in Rottnest Island in August is 26.1cm (10.3inches) and on average there are 15.4 rainy days in August making it a wet time to visit the beach.

Humidity in Rottnest Island in August

The maximum dew point (an indicator of humidity) in Rottnest Island in August is 11°C (52°F) which is very comfortable. The dew point is 11°C (51°F) in the previous month and 11°C (11°F) in the next month.

The average maximum relative humidity in Rottnest Island in August is typically 95.7%. The maximum relative humidity is 95.8% in the previous month and 94.8% in the next month.

The average relative humidity in Rottnest Island in August is typically 72.7%. The average relative humidity is 74.3% in the previous month and 68.9% in the next month.

Wind Speed in Rottnest Island in August

The average maximum wind speed in Rottnest Island in August is typically 28KM/H (18MPH). The average maximum wind speed is 27KM/H (17MPH) in the previous month and 31KM/H (19MPH) in the next month.

The average wind speed in Rottnest Island in August is typically 14KM/H (9MPH). The average wind speed is 14KM/H (8MPH) in the previous month and 16KM/H (10MPH) in the next month.

The average wind direction in Rottnest Island in August is from the North.

Monthly Averages

Suggested Beaches in August

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