Perth Weather in October
In October, Perth averages a high of 23°C (73°F) and a low of 12°C (54°F), from 53 years of daily records (1971–2026).
23°C
Average high
73°F
12°C
Average low
54°F
37°C
Record high
99°F · October 29, 1979
2°C
Record low
36°F · October 6, 1994
What October Is Like in Perth
- 7 of the 10 warmest Octobers on record in Perth have come since 2011.
- The October heat record, 37°C (99°F) on October 29, 1979, has stood for 47 years.
- The coldest October reading, 2°C (36°F) on October 6, 1994, has not been matched in 32 years.
- A typical October brings 1.8 days above 30°C (86°F).
At least 1 mm of rain falls on 20% of October days, and the month averages 45 mm in total.
Warmest: 2015 (26.7°C)Latest: 2025 (22.1°C)10-year averageLong-run average (22.8°C)
Look Up a Day in October
See the weather in Perth on any October date, year by year.
Source: NOAA GHCN-Daily, Perth Metro (1993–2026); Perth Regional Office (1971–1992). Averages cover 1971–2026. How we compute this