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Western Australia weather in August 2025
Expect 18°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Western Australia in August based on long-term weather averages. There is usually 13 days with some rainfall and 118 mm of average monthly rainfall in August.
- 18°C max day temperature
18 - 7 hours of sunshine per day
- 13 days with some rainfall
13 - 9°C min night temperature
9 - 11 hours of daylight per day
11 - No heat & humidity
0 - 118 mm of monthly rainfall
118 - 4 (Moderate) UV index
4 - 18°C sea temperature
18
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Recommended for Western Australia
The August weather guide for Western Australia (Perth) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Western Australia destinations
Below are average maximum temperatures at popular countries, regions and places in Western Australia in August. Select a holiday destination to see more weather parameters.
All Western Australia destinations
- Albany
- Broome
- Esperance
- Eucla
- Exmouth
- Geraldton
- Giles
- Halls Creek
- Kalgoorlie
- Kununurra
- Margaret River
- Monkey Mia
- Paraburdoo
- Perth
- Port Hedland
Metric (°C / mm) | Imperial (°F / inches)
More about Australia
How hot is it in Western Australia in August?
Daytime temperatures usually reach 18°C in Perth, Western Australia in August, falling to 9°C at night.
How sunny is it in Western Australia in August?
There are normally 7 hours of bright sunshine each day in Perth, Western Australia in August - that's 59% of daylight hours.
How warm is the sea around Western Australia in August?
The average sea temperature around Perth, Western Australia in August is 18°C.
Does it rain in Western Australia in August?
There are usually 13 days with some rain in Perth, Western Australia in August and the average monthly rainfall is 118mm.
Western Australia August sunrise & sunset times
Browse the sunrise and sunset times for Western Australia in August 2025. Select a month to view Western Australia sunrise and sunset times for the next 12 months. The Western Australia sunrise and sunset times shown below are for Perth.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 07:06 | 17:41 |
| Saturday, 16th August 2025 | 06:52 | 17:50 |
| Sunday, 31st August 2025 | 06:35 | 17:59 |
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