October is one of the cooler months of the year in Wonthaggi, with average highs near 16.9°C and lows around 9.9°C (mean 13.4°C). It is a relatively wet time of year, averaging 87 mm of rainfall and 75% relative humidity across the period.
October is one of the cooler months of the year in Wonthaggi. Across 45 years of records, the warmest October in Wonthaggi was 2015 — when the month averaged 16.2°C — while the coldest was 2003 at 11.7°C. Typical October days reach 16.9°C with nights near 9.9°C. The long-term trend is warming, about 0.4°C per decade.
October is a relatively wet time of year in Wonthaggi, averaging 87 mm of rainfall. The wettest October on record was 2022 with 198 mm, while the driest was 2006 at 23 mm.
Relative humidity in Wonthaggi during October averages 75%. The most humid October was 1983 at 83%, and the least humid was 2006 at 65%.
October receives about 5.3 kWh/m²/day of solar energy in Wonthaggi. The sunniest October was 2006 at 6.2 kWh/m²/day, and the cloudiest was 1992 at 4.7.
Average wind speed in Wonthaggi during October is 1.6 m/s. The windiest October was 1988 at 2.2 m/s, while the calmest was 2015 at 1.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 12.8°C | 13.0°C | 13.4°C | 14.0°C | 13.8°C | +1°C |
| Avg High | 16.1°C | 16.3°C | 16.8°C | 17.9°C | 17.3°C | +1.2°C |
| Avg Low | 9.4°C | 9.7°C | 9.9°C | 10.2°C | 10.4°C | +1°C |
| Avg Rain | 93 mm | 89 mm | 76 mm | 71 mm | 118 mm | +25 mm |
October temperatures in Wonthaggi have risen by about 1°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 4.7°C (1994) to a record high of 28.8°C (2006).
Rainfall in October is a relatively wet time of year, averaging 87 mm, with a wettest year of 198 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.5°C per decade while lows rose 0.2°C per decade, widening the gap between day and night.
A good time to visit Wonthaggi
October is a good time to visit Wonthaggi, with days averaging 16.9°C and nights around 9.9°C (mean 13.4°C, cooler than Wonthaggi's yearly average) and higher rainfall. February and January 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 | 17.6°C | 13.9°C | 10.3°C | 26.1°C | 5.5°C | 83 mm | 70% | 1.7 m/s | 5.1 |
| 2024 | 18.5°C | 14.6°C | 10.8°C | 25.9°C | 6.2°C | 70 mm | 71% | 1.6 m/s | 5.8 |
| 2023 | 17.5°C | 14.0°C | 10.4°C | 25.7°C | 8.3°C | 143 mm | 71% | 1.8 m/s | 5 |
| 2022 🌧️ | 16.6°C | 13.5°C | 10.4°C | 23.3°C | 7.5°C | 198 mm | 83% | 1.5 m/s | 4.9 |
| 2021 | 16.6°C | 13.3°C | 10.0°C | 23.2°C | 7.2°C | 106 mm | 78% | 1.7 m/s | 5.4 |
| 2020 | 16.9°C | 13.5°C | 10.2°C | 24.1°C | 6.8°C | 110 mm | 78% | 1.6 m/s | 5 |
| 2019 | 18.5°C | 14.5°C | 10.4°C | 28.7°C | 6.9°C | 42 mm | 70% | 1.5 m/s | 5.7 |
| 2018 | 19.2°C | 14.9°C | 10.5°C | 25.5°C | 6.0°C | 41 mm | 70% | 1.3 m/s | 5.6 |
| 2017 | 18.5°C | 14.4°C | 10.3°C | 27.9°C | 7.4°C | 61 mm | 73% | 1.5 m/s | 5.6 |
| 2016 | 16.6°C | 12.8°C | 9.1°C | 22.2°C | 6.0°C | 107 mm | 70% | 2 m/s | 5.3 |
| 2015 🔥 | 21.4°C | 16.2°C | 11.1°C | 28.6°C | 6.8°C | 27 mm | 67% | 1.2 m/s | 5.8 |
| 2014 | 18.1°C | 14.2°C | 10.4°C | 27.3°C | 7.8°C | 61 mm | 74% | 1.6 m/s | 5.3 |
| 2013 | 16.0°C | 13.2°C | 10.3°C | 23.5°C | 8.4°C | 104 mm | 76% | 2 m/s | 4.8 |
| 2012 | 16.2°C | 13.0°C | 9.9°C | 24.7°C | 7.3°C | 57 mm | 78% | 1.5 m/s | 5.3 |
| 2011 | 17.3°C | 13.7°C | 10.1°C | 24.6°C | 6.5°C | 88 mm | 77% | 1.4 m/s | 5.3 |
| 2010 | 17.0°C | 13.4°C | 9.8°C | 23.1°C | 6.7°C | 119 mm | 79% | 1.5 m/s | 5.5 |
| 2009 | 16.3°C | 12.9°C | 9.5°C | 27.6°C | 7.0°C | 77 mm | 78% | 1.5 m/s | 5.5 |
| 2008 | 18.4°C | 14.2°C | 9.9°C | 26.3°C | 6.0°C | 32 mm | 68% | 1.4 m/s | 5.3 |
| 2007 | 17.3°C | 13.5°C | 9.8°C | 26.8°C | 6.4°C | 57 mm | 72% | 1.6 m/s | 5.6 |
| 2006 | 18.0°C | 13.8°C | 9.6°C | 28.8°C | 6.6°C | 23 mm | 65% | 1.6 m/s | 6.2 |
| 2005 | 18.0°C | 14.5°C | 11.0°C | 22.6°C | 8.0°C | 69 mm | 75% | 1.5 m/s | 5.5 |
| 2004 | 17.1°C | 13.7°C | 10.3°C | 23.3°C | 7.8°C | 66 mm | 77% | 1.5 m/s | 5.5 |
| 2003 ❄️ | 14.7°C | 11.7°C | 8.7°C | 22.1°C | 7.1°C | 113 mm | 78% | 1.7 m/s | 4.8 |
| 2002 | 17.0°C | 13.6°C | 10.3°C | 23.7°C | 7.6°C | 77 mm | 71% | 1.7 m/s | 5.2 |
| 2001 | 15.8°C | 13.0°C | 10.2°C | 22.0°C | 7.0°C | 137 mm | 79% | 1.7 m/s | 4.8 |
| 2000 | 15.6°C | 12.8°C | 9.9°C | 22.3°C | 6.1°C | 113 mm | 80% | 1.6 m/s | 4.9 |
| 1999 | 17.7°C | 14.4°C | 11.0°C | 24.2°C | 8.1°C | 80 mm | 75% | 1.5 m/s | 5.5 |
| 1998 | 15.8°C | 12.5°C | 9.3°C | 24.2°C | 6.9°C | 132 mm | 75% | 1.7 m/s | 5.1 |
| 1997 | 17.2°C | 13.5°C | 9.9°C | 27.6°C | 6.0°C | 72 mm | 72% | 1.6 m/s | 5.2 |
| 1996 | 16.3°C | 13.0°C | 9.8°C | 22.8°C | 7.3°C | 65 mm | 78% | 1.6 m/s | 5.3 |
| 1995 | 15.0°C | 11.9°C | 8.9°C | 23.0°C | 6.1°C | 101 mm | 78% | 1.7 m/s | 5 |
| 1994 | 16.4°C | 12.7°C | 8.9°C | 24.6°C | 4.7°C | 63 mm | 76% | 1.5 m/s | 5.5 |
| 1993 | 15.4°C | 12.4°C | 9.4°C | 20.3°C | 6.9°C | 118 mm | 79% | 1.7 m/s | 5.3 |
| 1992 | 16.0°C | 12.8°C | 9.5°C | 23.0°C | 5.4°C | 98 mm | 82% | 1.4 m/s | 4.7 |
| 1991 | 16.8°C | 13.5°C | 10.2°C | 22.8°C | 8.0°C | 45 mm | 79% | 1.6 m/s | 5.6 |
| 1990 | 16.2°C | 13.0°C | 9.8°C | 24.9°C | 6.2°C | 120 mm | 82% | 1.5 m/s | 5.3 |
| 1989 | 15.1°C | 12.1°C | 9.1°C | 20.8°C | 6.7°C | 172 mm | 81% | 1.8 m/s | 5.2 |
| 1988 | 16.7°C | 13.6°C | 10.4°C | 22.9°C | 8.3°C | 91 mm | 72% | 2.2 m/s | 5.3 |
| 1987 | 16.2°C | 12.8°C | 9.4°C | 26.6°C | 6.6°C | 61 mm | 77% | 1.6 m/s | 5.5 |
| 1986 | 14.9°C | 11.8°C | 8.8°C | 21.8°C | 6.2°C | 144 mm | 80% | 1.8 m/s | 4.9 |
| 1985 | 17.0°C | 13.3°C | 9.6°C | 21.0°C | 6.0°C | 78 mm | 76% | 1.6 m/s | 5.5 |
| 1984 | 16.3°C | 12.9°C | 9.5°C | 22.0°C | 6.3°C | 52 mm | 77% | 1.6 m/s | 5.7 |
| 1983 | 15.5°C | 12.5°C | 9.5°C | 21.0°C | 6.6°C | 109 mm | 83% | 1.4 m/s | — |
| 1982 | 16.4°C | 12.7°C | 9.1°C | 27.3°C | 6.9°C | 57 mm | 71% | 1.6 m/s | — |
| 1981 | 16.8°C | 13.2°C | 9.6°C | 22.5°C | 5.7°C | 78 mm | 77% | 1.5 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 16.9°C with lows near 9.9°C (mean 13.4°C), based on 45 years of NASA POWER data.
October averages 87 mm of rainfall in Wonthaggi, a relatively wet time of year. The wettest on record was 198 mm in 2022.
The hottest October reached 28.8°C in 2006. The coldest dipped to 4.7°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1°C. Daytime highs moved from 16.4°C to 17.4°C and overnight lows from 9.5°C to 10.4°C over the same span.
October is one of the cooler months of the year in Wonthaggi and a relatively wet time of year, so plan for around 16.9°C daytime highs and 9.9°C at night.
Not quite — October is the 6th coolest month in Wonthaggi, averaging 13.4°C.
For October in Wonthaggi, pack light layers you can adjust through the day, with typical highs of 16.9°C and lows of 9.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 75% — quite humid.
Average wind speed in October is 1.6 m/s. The windiest October on record averaged 2.2 m/s (1988).
The wettest October on record was 2022 with 198 mm. On average, October sees 87 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 Wonthaggi 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.
