Temperatures in July
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.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Rottnest Island in July. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of July
The month of July starts in Rottnest Island with mild temperatures, averaging around 18°C during the day and nights close to 10°C. Plenty of days with a chance of precipitation.
Mid-July
By mid-July, the average daytime temperature rises to around 19°C, with nights close to 12°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of July
By the end of July, the average daytime temperature in Rottnest Island will be around 19°C, with nights close to 12°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
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Precipitation in July
In July, there is an average of 162 mm of precipitation, spread over 14 days. The wind speed is around 6 Bft, mostly coming from the South.
The average precipitation chance is 46% per day this month. Though it seems average, the weather’s variable. Some days have higher, others lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in July for Rottnest Island. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Rottnest Island in July |
London | ||
|---|---|---|---|
 Average Temperature |
18°C | 23°C | |
 High Temp |
20°C | 27°C | |
| Low Temp |
17°C | 21°C | |
 Total Precipitation |
162 mm | 52 mm | |
| Rainy Days |
14 days | 9 days | |
June
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.
Is July a good time to visit Rottnest Island?
After some sun? Then July isn’t the best time to be in Rottnest Island. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Rottnest Island in July
With 25°C, Rottnest Island hit the highest temperature in the last 10 years in July 2017. The lowest daytime temperature in this month was 13°C in 2016. The extreme night temperatures ranged from a low of 0°C to a high of 17°C.
Check out the climate of Rottnest Island for all months and discover the best travel time
Curious about the climate in other parts of Australia? Check out the weather and climate in places like Sydney, Gold Coast, Melbourne, or have a look at other destinations in Australia.
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Daily Temperature in July in Rottnest Island
This chart shows the average daily temperatures, both day and night, for each day in July in Rottnest Island, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in July in Rottnest Island
The chart below shows the average daily precipitation in July for Rottnest Island, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for July, you can expect around 14 days of rain in Rottnest Island.
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.
Temperature in July in Rottnest Island Over the Years
This chart shows the average temperature in July in Rottnest Island, measured in degrees Celsius, over the past years.
Total Precipitation in July in Rottnest Island Over the Years
This chart shows the average precipitation in July in Rottnest Island, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in July for Rottnest Island
Click on a specific day in July for detailed info on the typical weather on that day in Rottnest Island. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in July in Rottnest Island
Have you been to Rottnest Island in July?
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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.
Or check out the climate of Rottnest Island for all months at once
