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The weather in July in Rottnest Island

It's cool to moderate in July in Rottnest Island with an average temperature of 18°C. Temperatures this month range from a low of 17°C to a high of 20°C. At night, you can expect temperatures between 9°C and 13°C.

Looking for sun? July isn’t a good month to be in Rottnest Island. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in July for Rottnest Island, Australia. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 25°C in 2017, Rottnest Island reached the highest temperature in July over the past 10 years. The lowest daytime temperature in this month was 13°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 0°C to a highest value of 17°C.

Rainfall amount

In July, there is an average of 162 mm of precipitation, spread over 19 days. The wind speed is around 6 Bft, mostly coming from the South.

Daily weather in July for Rottnest Island

Click on any day in July to get detailed info about the usual weather on that day in Rottnest Island. Check out the historical temperatures and precipitation over the past 10 years on this day.

July weather comparison

  Rottnest Island New York
Average temperature 18°C 31°C
Max. temperature 20°C 33°C
Min. temperature 9°C -5°C
Total precipitation 162 mm 160 mm
Rainy days 19 days 18 days

Start of July

The month of July starts in Rottnest Island with mild temps, averaging around 18°C during the day and nights around 10°C.

Mid July

By mid-July, daytime temps rise to around 19°C, with nights around 12°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of July

By the end of July, the average daytime temperature in Rottnest Island is around 19°C, while nighttime temps are about 12°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

Find affordable trips to Rottnest Island

UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Rottnest Island for all months and discover the best travel time

Curious about the weather in other parts of Australia? Check out the climate and weather for spots like Sydney, Gold Coast, Melbourne, or explore other destinations in Australia.

Temperature charts

These charts show the average temperatures in July in Rottnest Island, Australia. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in July in Rottnest Island

Temperature in July in Rottnest Island over the years

Precipitation charts

These charts show the average amount of precipitation in July in Rottnest Island, Australia. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in July in Rottnest Island

Total precipitation in July in Rottnest Island over the years

Daily UV index in July in Rottnest Island

This chart shows the average daily UV index in July in Rottnest Island, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in July in Rottnest Island

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Average weather in Rottnest Island by month

Click on a month below to see detailed weather info for Rottnest Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.