October is one of the cooler months of the year in Mandurah, with average highs near 19.3°C and lows around 13.9°C (mean 16.6°C). It is one of the drier months, averaging 41 mm of rainfall and 73% relative humidity across the period.
October is one of the cooler months of the year in Mandurah. Across 45 years of records, the warmest October in Mandurah was 2023 — when the month averaged 18.6°C — while the coldest was 1993 at 14.8°C. Typical October days reach 19.3°C with nights near 13.9°C. The long-term trend is warming, about 0.2°C per decade.
October is one of the drier months in Mandurah, averaging 41 mm of rainfall. The wettest October on record was 1999 with 107 mm, while the driest was 2000 at 10 mm.
Relative humidity in Mandurah during October averages 73%. The most humid October was 1992 at 78%, and the least humid was 2010 at 65%.
October receives about 6.3 kWh/m²/day of solar energy in Mandurah. The sunniest Octobers were 2000, 2010 and 2020 at 6.8 kWh/m²/day, and the cloudiest was 1988 at 5.5.
Average wind speed in Mandurah during October is 5.3 m/s. The windiest Octobers were 1985 and 1999 at 5.8 m/s, while the calmest was 2015 at 4.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.4°C | 16.2°C | 16.3°C | 17.1°C | 17.1°C | +0.7°C |
| Avg High | 19.1°C | 19.0°C | 19.0°C | 19.9°C | 19.9°C | +0.8°C |
| Avg Low | 13.8°C | 13.5°C | 13.6°C | 14.4°C | 14.3°C | +0.5°C |
| Avg Rain | 40 mm | 48 mm | 40 mm | 35 mm | 44 mm | +4 mm |
October temperatures in Mandurah have stayed relatively stable across the record.
October has ranged from a record low of 8.9°C (1994) to a record high of 31.1°C (2023).
Rainfall in October is one of the drier months, averaging 41 mm, with a wettest year of 107 mm.
A good time to visit Mandurah
October is a good time to visit Mandurah, with days averaging 19.3°C and nights around 13.9°C (mean 16.6°C, cooler than Mandurah's yearly average) and moderate rainfall. March and December are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 19.0°C | 16.8°C | 14.7°C | 26.6°C | 12.2°C | 68 mm | 74% | 4.8 m/s | 6.2 |
| 2024 | 20.3°C | 17.7°C | 15.1°C | 27.7°C | 12.3°C | 38 mm | 73% | 5 m/s | 6.4 |
| 2023 🔥 | 22.2°C | 18.6°C | 14.9°C | 31.1°C | 12.2°C | 12 mm | 67% | 5.3 m/s | 6.6 |
| 2022 | 18.4°C | 15.8°C | 13.3°C | 22.1°C | 11.1°C | 53 mm | 72% | 5.5 m/s | 6.2 |
| 2021 | 18.2°C | 15.8°C | 13.4°C | 26.1°C | 9.9°C | 74 mm | 72% | 5.4 m/s | 6.1 |
| 2020 | 21.1°C | 17.8°C | 14.4°C | 28.4°C | 10.7°C | 17 mm | 70% | 5.2 m/s | 6.8 |
| 2019 | 19.9°C | 17.3°C | 14.7°C | 27.0°C | 12.2°C | 39 mm | 72% | 5.1 m/s | 6.3 |
| 2018 | 19.8°C | 17.2°C | 14.7°C | 23.4°C | 12.3°C | 51 mm | 75% | 5.1 m/s | 6 |
| 2017 | 19.2°C | 16.4°C | 13.6°C | 25.9°C | 9.8°C | 23 mm | 73% | 5.7 m/s | 6.3 |
| 2016 | 18.1°C | 15.6°C | 13.2°C | 25.4°C | 9.7°C | 27 mm | 72% | 5.6 m/s | 6.4 |
| 2015 | 21.3°C | 18.5°C | 15.7°C | 26.9°C | 11.5°C | 29 mm | 74% | 4.5 m/s | 6.3 |
| 2014 | 20.1°C | 17.3°C | 14.6°C | 29.6°C | 11.4°C | 45 mm | 75% | 5.1 m/s | 6.1 |
| 2013 | 19.7°C | 17.0°C | 14.3°C | 28.2°C | 10.7°C | 32 mm | 76% | 4.8 m/s | 6.3 |
| 2012 | 20.2°C | 17.4°C | 14.5°C | 27.9°C | 11.3°C | 25 mm | 71% | 5.1 m/s | 6.4 |
| 2011 | 20.3°C | 17.4°C | 14.6°C | 25.6°C | 11.9°C | 57 mm | 76% | 4.7 m/s | 6 |
| 2010 | 20.8°C | 17.3°C | 13.8°C | 25.3°C | 10.5°C | 18 mm | 65% | 5.5 m/s | 6.8 |
| 2009 | 19.6°C | 16.6°C | 13.5°C | 29.8°C | 10.8°C | 13 mm | 77% | 5.2 m/s | 6.2 |
| 2008 | 20.0°C | 17.2°C | 14.5°C | 27.2°C | 10.7°C | 50 mm | 75% | 5.3 m/s | 5.9 |
| 2007 | 19.0°C | 16.3°C | 13.5°C | 25.4°C | 10.7°C | 59 mm | 75% | 5.4 m/s | 6.2 |
| 2006 | 20.4°C | 17.4°C | 14.3°C | 27.4°C | 11.1°C | 29 mm | 71% | 5.6 m/s | 6.3 |
| 2005 | 17.2°C | 15.2°C | 13.2°C | 20.3°C | 9.5°C | 69 mm | 76% | 5.2 m/s | 5.9 |
| 2004 | 18.8°C | 16.4°C | 13.9°C | 24.3°C | 10.9°C | 45 mm | 76% | 5.5 m/s | 6.3 |
| 2003 | 18.6°C | 15.9°C | 13.2°C | 24.0°C | 10.5°C | 25 mm | 77% | 5.2 m/s | 6.3 |
| 2002 | 18.1°C | 16.0°C | 13.9°C | 23.4°C | 9.3°C | 72 mm | 76% | 5.2 m/s | 6 |
| 2001 | 18.6°C | 15.6°C | 12.5°C | 23.7°C | 10.5°C | 32 mm | 73% | 5.6 m/s | 6.3 |
| 2000 | 19.7°C | 16.7°C | 13.6°C | 25.6°C | 11.7°C | 10 mm | 74% | 4.9 m/s | 6.8 |
| 1999 🌧️ | 19.0°C | 16.0°C | 13.1°C | 25.9°C | 10.7°C | 107 mm | 75% | 5.8 m/s | 6.4 |
| 1998 | 19.2°C | 16.2°C | 13.3°C | 26.2°C | 10.2°C | 30 mm | 74% | 5.7 m/s | 6.5 |
| 1997 | 19.9°C | 17.0°C | 14.1°C | 28.0°C | 10.5°C | 38 mm | 73% | 5.7 m/s | 6.5 |
| 1996 | 19.6°C | 16.7°C | 13.8°C | 26.4°C | 10.0°C | 59 mm | 74% | 5 m/s | 6.4 |
| 1995 | 19.8°C | 17.1°C | 14.4°C | 24.4°C | 9.9°C | 80 mm | 75% | 5 m/s | 6.6 |
| 1994 | 19.0°C | 15.9°C | 12.8°C | 28.9°C | 8.9°C | 24 mm | 74% | 5.4 m/s | 6.4 |
| 1993 ❄️ | 17.2°C | 14.8°C | 12.5°C | 22.2°C | 9.0°C | 42 mm | 75% | 5.4 m/s | 5.9 |
| 1992 | 18.5°C | 15.8°C | 13.2°C | 24.7°C | 9.0°C | 17 mm | 78% | 5 m/s | 6.1 |
| 1991 | 19.9°C | 17.1°C | 14.4°C | 25.5°C | 10.8°C | 36 mm | 75% | 4.7 m/s | 6.2 |
| 1990 | 18.0°C | 15.7°C | 13.4°C | 23.8°C | 11.5°C | 52 mm | 76% | 5.4 m/s | 5.9 |
| 1989 | 17.7°C | 15.7°C | 13.8°C | 22.1°C | 10.6°C | 99 mm | 73% | 5.4 m/s | 6.2 |
| 1988 | 18.8°C | 16.8°C | 14.9°C | 27.9°C | 11.8°C | 47 mm | 75% | 5.4 m/s | 5.5 |
| 1987 | 19.5°C | 16.5°C | 13.5°C | 24.7°C | 10.5°C | 22 mm | 72% | 5.4 m/s | 5.9 |
| 1986 | 17.3°C | 15.1°C | 12.9°C | 20.4°C | 9.5°C | 31 mm | 72% | 5.2 m/s | 6.3 |
| 1985 | 19.5°C | 16.3°C | 13.0°C | 24.5°C | 9.3°C | 27 mm | 68% | 5.8 m/s | 6.6 |
| 1984 | 19.6°C | 17.1°C | 14.7°C | 26.3°C | 11.9°C | 23 mm | 71% | 4.9 m/s | 6.2 |
| 1983 | 20.1°C | 16.9°C | 13.7°C | 27.3°C | 11.0°C | 18 mm | 72% | 4.9 m/s | — |
| 1982 | 19.9°C | 16.8°C | 13.8°C | 26.4°C | 9.7°C | 54 mm | 73% | 5.5 m/s | — |
| 1981 | 19.1°C | 16.3°C | 13.5°C | 29.7°C | 10.1°C | 39 mm | 74% | 5.2 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 19.3°C with lows near 13.9°C (mean 16.6°C), based on 45 years of NASA POWER data.
October averages 41 mm of rainfall in Mandurah, one of the drier months. The wettest on record was 107 mm in 1999.
The hottest October reached 31.1°C in 2023. The coldest dipped to 8.9°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.2°C. Daytime highs moved from 19.6°C to 19.6°C and overnight lows from 13.7°C to 14.3°C over the same span.
October is one of the cooler months of the year in Mandurah and one of the drier months, so plan for around 19.3°C daytime highs and 13.9°C at night.
Not quite — October is the 5th coolest month in Mandurah, averaging 16.6°C.
For October in Mandurah, pack light layers you can adjust through the day, with typical highs of 19.3°C and lows of 13.9°C.
Relative humidity in October averages 73% — moderately humid.
Average wind speed in October is 5.3 m/s. The windiest October on record averaged 5.8 m/s (1985).
The wettest October on record was 1999 with 107 mm. On average, October sees 41 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Mandurah behaves each October, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for October specifically, along with year-by-year records and how the month has changed over the decades.
