Perth weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Excellent
Best time to visit: March – May, September – December
What is the weather like in Perth in October?
In October, Perth is warm: daytime highs average 22 °C, and nights cool down to about 12 °C. The sea averages 19.0 °C – bracing, so a wetsuit helps for longer swims. With around 10 hours of sunshine a day, there is plenty of sun. Rain falls on about 5 days, adding up to 31 mm. All in all, October is an excellent month for a holiday in Perth.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 88 | 97 | 100 |
| Day | 19° | 22° | 26° |
| Night | 11° | 12° | 15° |
| Sea | 19° | 19° | 20° |
| Sun | 8 h | 10 h | 11 h |
| Rain days | 8 | 5 | 4 |
More details for October
- Daylight
- 12 h 49 min05:37 – 18:27
- UV index
- 9 · very highclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 26 km/haverage daily peak
- Cloud cover
- 39 %on average
- Hot days
- 2 days30 °C or more
- Time zone
- UTC+8Australia/Perth
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 30 %91 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Perth in October: quick answers
Is Perth hot in October?
Warm rather than hot: in October, daytime highs in Perth average 22 °C and nights cool to about 12 °C. On about 2 days the thermometer climbs to 30 °C or more.
Can you swim in Perth in October?
Only if you don't mind cold water: in October the sea averages just 19.0 °C. Comfortable swimming is possible from December to June.
Does it rain much in Perth in October?
Rain falls on about 5 days, adding up to 31 mm.
Perth month by month
The whole year in PerthAll destinations: Australia
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)