The climate in Perth during October can be summarized as cool and reasonably dry.
October is in the fall / autumn in Perth and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 6°C (42°F) is normal.
Daytime temperature | 12.6°C 54.6°F |
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Nightly temperature | 5.7°C 42.2°F |
Average temperature | 9.1°C 48.4°F |
Daily sunshine | 3 hrs |
Avg rainfall | 77 mm 3 ins |
Rainy days | 18 days |
Sea temperature | 12.1°C 53.7°F |
Humidity | 87% |
Windspeed | 14.8kph 9 mph |
On average October is the 3rd wettest month of the year in Perth with around 77mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 3 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Perth in October 2025.
Best places to visit in October
Hottest month: | July | 18.7°C 65.7°F |
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Driest month: | April | 43mm 1.7ins |
Sunniest month: | April | 5.3hrs |
Coldest month: | January | 5.5°C 41.9°F |
Wettest month: | January | 82mm 3.2ins |