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Perth in July: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Perth in July will be like? Take a look at our weather guide for Perth, based on historical data.
Check flight prices to Perth on Avionero:
July

Weather in Perth in July 2024

Good Weather
Mild
☁️
Cloudy
Planning a trip to Perth in July? You are in luck! The weather is generally good, with an average maximum temperature of +63°F and approximately 8 sunny days. Just be prepared for some rain, as there are usually around 10 rainy days and 121 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.
Good to know:
  • July is usually the coldest month of the year in Perth;
  • July is usually the wettest month of the year in Perth;

Average weather

☀️
+63°F
Avg. max. temperature
+30°F
Min.
+77°F
Max.
121 mm
Total precipitation
75%
Avg. humidity
3 m/s
Avg. wind
8 ☀️
Sunny Days
13 ⛅️
Cloudy
10 🌦
Rainy
Our opinion: Perth has good weather in July.

Average temperature in Perth in July

Here are the expected maximum, average and minimum temperatures in Perth for July based on the historical data.
Last Year
Historical Data

Going from a maximum of +73°F during the day to a minimum of +43°F during the night, the temperature in July averages around +66°F.

The average maximum temperature goes down 12% by the end of the month, compared with the beginning of the month, from +66°F to +63°F.

Is Perth warm or cold in July?

Perth is typically mild in July.

Maximum temperatures go up compared to the previous month from +64°F to +63°F. The minimum temperature also goes down from +50°F to +48°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

July is the coldest month in Perth, here is the comparison with other months:

Climate in Perth in July

Perth weather looks like this, on average, in July and the surrounding months.
JuneJulyAugust
Avg. temperature
+64°F+63°F+64°F
Min. temperature
+34°F+30°F+34°F
Max. temperature
+77°F+77°F+84°F
Rainfall
107 mm121 mm103 mm
Wind
3 m/s3 m/s3 m/s
Humidity
74%75%73%
Air pressure
1018 HPa1018 HPa1018 HPa
Sunny days
10810
Cloudy days
111312
Rainy days
9109
Snowy days
000

July weather is still as good as in June. It’s getting colder in July. From +64°F in the day, the average maximum temperature lowers to +63°F. Prepare for more rain. Average rainfall goes from 107 mm to 121 mm. Humidity rises from 74% to 75%. The average wind speed doesn’t change much during July, staying around 3 m/s. The days becoming less sunny, going from 10 sunny days in June to 8 in July.

August brings much the same weather, it remains good.

Wind

Wind speed in Perth in July based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Perth is gradually increasing during July, going from 3 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during July in Perth based on historical data.
Last Year
Historical Data
Typically, there is a 58% chance of rain on an average day in July, with total rainfall of approximately 208 mm. The maximum amount of rainfall per day is around 40 mm, which is moderate rain. July is a pretty wet month with over 18 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
July is one of the rainiest months in Perth, here is a comparison with other months, total mm:
Perth wettest month is July, where a typical day has a 32% chance of precipitation and 121 mm of rainfall per day. December, on the other hand, is the driest month with a mere 3% chance of precipitation and 10 mm of rainfall per day.

How was the weather last July in Perth?

This is the weather in Perth in July 2023:
1 July
☀️
+67°F
2 July
☀️
+66°F
3 July
☀️
+66°F
4 July
☀️
+67°F
5 July
☀️
+58°F
6 July
☀️
+65°F
7 July
☀️
+62°F
8 July
☀️
+73°F
9 July
🌧️
+71°F
10 July
☀️
+63°F
11 July
☀️
+65°F
12 July
☀️
+67°F
13 July
☀️
+72°F
14 July
🌧️
+66°F
15 July
☁️
+67°F
16 July
☀️
+68°F
17 July
🌧️
+57°F
18 July
☀️
+64°F
19 July
☀️
+64°F
20 July
☀️
+70°F
21 July
🌧️
+64°F
22 July
🌧️
+64°F
23 July
🌧️
+60°F
24 July
☀️
+61°F
25 July
☀️
+65°F
26 July
☁️
+65°F
27 July
☀️
+69°F
28 July
☀️
+71°F
29 July
🌧️
+65°F
30 July
☁️
+60°F
31 July
☀️
+63°F
In July 2023 Perth had 21 sunny days, 3 cloudy days, and 7 rainy days. The average maximum temperature was +66°F, with an absolute maximum of +73°F and a minimum of +57°F. The average humidity was 75%, with a maximum of 100% and a minimum of 27%. The average wind speed was 4 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in July?

Climate Change Over the Years

This is how Perth climate has changed over the last 43 years.

The climate in Perth in July has not changed that much over the last 43 years.

The average temperature was the lowest in 1986 (+60°F) and the highest in 2019 (+69°F). The driest year was 2005 with only 30 mm of rainfall, and the wettest year was 2021 with 387 mm.

FAQ

Frequently asked questions about the weather in Perth in July:

Is July a good time to visit Perth?

July is a really good time to go to Perth. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Perth.

Can you sunbathe in Perth in July?

July has mild temperatures in Perth. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Perth rainy in July?

Perth is often rainy in July. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Perth in July?

Usually, it’s not very sunny in Perth in July, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Australia

Check out the weather for other cities in Australia.

Monthly weather in Perth

Source of the data

For this page, we’ve looked at the typical weather in Perth, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.