Thornlie Weather in August

August in Thornlie brings pleasant temperatures around 19°C (66°F) during the day, dropping to 9°C (48°F) at night, with quite a bit of rainfall expected, averaging around 93 mm (3.7 in) for the month.

Rainfall in Thornlie in August

Expect around 14 days of rain based on historical data, with 93 mm (3.7 in) average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Thornlie in August

August in Thornlie sees highs of 19°C (66°F) and lows of 9°C (48°F) overnight. August is known for being in the winter season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Thornlie in August

With approximately 222 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in Thornlie in August

Wind speeds average 6 m/s (12 knots) during August. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.

Average water temperature in August

The water is 17°C (63°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

If you prefer enjoying temperate temperatures and rain-free days, April, May, September, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Australia, check out our Thornlie's climate page.

Thornlie Temperature in August

Min Temperature 9°C (48°F)  

Max Temperature 19°C (66°F)  

Water Temperature 17°C (63°F) *  

Chance of Rain 45%  

Precipitation 93 mm (3.7 in)  

Rainy days 14 days  

Humidity 54% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 222 hours *  

Percentage Sunshine *  

* Data from: Perth, Australia (13 KM, 8 Miles).

What to Wear in Thornlie in August

Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 17°C (63°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Thornlie in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Australia, check out our Thornlie's climate page.

More climate data for Thornlie

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Thornlie climate overview or explore weather in Australia.