October weather forecast
Perth, Australia

In Perth, October weather offers warmth and serenity, characteristic of spring. Warmer temperatures from 23.4°C (74.1°F) accompany the city residents as they enjoy golden sunlight during the day. October sees a sharp reduction in rainfall, paving the way for sunnier days and cooler nights. The near perfect weather mirrors the city's burgeoning activity as residents and visitors alike flock to outdoor events and festivities. Perth's beaches and parks find their popularity soaring as people respond to nature's grand invitation.

Temperature

October's arrival in Perth signals a modest temperature shift, moving from a pleasant 20.4°C (68.7°F) in September to a warm 23.4°C (74.1°F). In the month of October, the average temperature in Perth dips to a fresh 11.5°C (52.7°F) during the night.

Humidity

In Perth, the average relative humidity in October is 46%.

Rainfall

In Perth, during October, the rain falls for 8.7 days and regularly aggregates up to 39mm (1.54") of precipitation. Throughout the year, in Perth, there are 108.4 rainfall days, and 725mm (28.54") of precipitation is accumulated.

Sea temperature

The months with the coldest seawater are September and October, with an average sea temperature of 19°C (66.2°F).
Note: The enjoyment of swimming decreases for most when the surface water temperature is 19°C (66.2°F). Breathing control becomes increasingly challenging as temperatures descend below 21°C (69.8°F).

Daylight

In Perth, Australia, the average length of the day in October is 12h and 53min.
On the first day of October, sunrise is at 5:53 am and sunset at 6:18 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 6:40 pm AWST.

Sunshine

In Perth, the average sunshine in October is 9.6h.

UV index

In October, the average daily maximum UV index in Perth is 8. A UV Index estimate of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A daily maximum UV index of 8 in October translates into the following instructions:
Immediate precautions are necessary; otherwise, skin and eyes might get damaged quickly. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.