October is close to Wollongong's year-round average, with average highs near 21°C and lows around 10.3°C (mean 15.7°C). It is about average for rainfall, averaging 76 mm of rainfall and 69% relative humidity across the period.
October is close to Wollongong's year-round average. Across 45 years of records, the warmest October in Wollongong was 2015 — when the month averaged 18.2°C — while the coldest was 1986 at 13.3°C. Typical October days reach 21°C with nights near 10.3°C. The long-term trend is warming, about 0.6°C per decade.
October is about average for rainfall in Wollongong, averaging 76 mm of rainfall. The wettest October on record was 2022 with 240 mm, while the driest were 1988 and 2006 at 6 mm.
Relative humidity in Wollongong during October averages 69%. The most humid October was 2022 at 84%, and the least humid was 2002 at 52%.
October receives about 5.6 kWh/m²/day of solar energy in Wollongong. The sunniest October was 2013 at 6.6 kWh/m²/day, and the cloudiest was 2022 at 4.5.
Average wind speed in Wollongong during October is 0.5 m/s. The windiest Octobers were 1989, 2001 and 2016, among others at 0.6 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.7°C | 14.9°C | 16.0°C | 16.3°C | 16.4°C | +1.7°C |
| Avg High | 19.7°C | 20.0°C | 21.5°C | 21.9°C | 21.7°C | +2°C |
| Avg Low | 9.6°C | 9.8°C | 10.5°C | 10.7°C | 11.1°C | +1.5°C |
| Avg Rain | 101 mm | 71 mm | 68 mm | 55 mm | 92 mm | -9 mm |
October temperatures in Wollongong have risen by about 1.6°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 3.2°C (1982) to a record high of 33.5°C (2004).
Rainfall in October is about average for rainfall, averaging 76 mm, with a wettest year of 240 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.7°C per decade while lows rose 0.4°C per decade, widening the gap between day and night.
A good time to visit Wollongong
October is a good time to visit Wollongong, with days averaging 21°C and nights around 10.3°C (mean 15.7°C, close to Wollongong's yearly average) and moderate rainfall. January 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 | 24.0°C | 17.8°C | 11.7°C | 33.4°C | 8.2°C | 38 mm | 60% | 0.5 m/s | 5.8 |
| 2024 | 22.5°C | 16.7°C | 11.0°C | 29.6°C | 7.4°C | 26 mm | 64% | 0.5 m/s | 5.4 |
| 2023 | 23.6°C | 17.3°C | 11.1°C | 32.4°C | 8.3°C | 29 mm | 57% | 0.5 m/s | 6.3 |
| 2022 🌧️ | 18.2°C | 14.7°C | 11.2°C | 23.2°C | 4.6°C | 240 mm | 84% | 0.5 m/s | 4.5 |
| 2021 | 20.9°C | 15.6°C | 10.2°C | 28.9°C | 6.9°C | 88 mm | 68% | 0.5 m/s | 5.9 |
| 2020 | 21.1°C | 16.3°C | 11.6°C | 28.3°C | 5.7°C | 130 mm | 75% | 0.5 m/s | 5.1 |
| 2019 | 23.8°C | 17.2°C | 10.6°C | 32.0°C | 7.1°C | 29 mm | 59% | 0.5 m/s | 6.3 |
| 2018 | 20.8°C | 16.1°C | 11.4°C | 29.5°C | 6.2°C | 95 mm | 75% | 0.5 m/s | 4.9 |
| 2017 | 23.6°C | 17.5°C | 11.3°C | 30.0°C | 6.9°C | 46 mm | 66% | 0.5 m/s | 5.6 |
| 2016 | 20.4°C | 14.9°C | 9.5°C | 26.3°C | 5.8°C | 24 mm | 61% | 0.6 m/s | 5.9 |
| 2015 🔥 | 23.8°C | 18.2°C | 12.6°C | 31.1°C | 8.9°C | 33 mm | 70% | 0.5 m/s | 5.3 |
| 2014 | 22.1°C | 16.4°C | 10.7°C | 31.3°C | 5.1°C | 72 mm | 69% | 0.5 m/s | 6.1 |
| 2013 | 23.6°C | 16.8°C | 10.1°C | 32.3°C | 6.0°C | 15 mm | 54% | 0.5 m/s | 6.6 |
| 2012 | 21.9°C | 15.8°C | 9.7°C | 29.4°C | 4.4°C | 57 mm | 62% | 0.5 m/s | 6.3 |
| 2011 | 19.5°C | 14.9°C | 10.3°C | 28.7°C | 6.7°C | 83 mm | 74% | 0.5 m/s | 5.2 |
| 2010 | 19.7°C | 15.4°C | 11.2°C | 26.4°C | 6.2°C | 95 mm | 77% | 0.5 m/s | 4.8 |
| 2009 | 19.3°C | 14.8°C | 10.2°C | 30.2°C | 6.0°C | 107 mm | 72% | 0.5 m/s | 5 |
| 2008 | 23.0°C | 16.8°C | 10.6°C | 31.5°C | 5.8°C | 83 mm | 66% | 0.5 m/s | 5.7 |
| 2007 | 23.3°C | 17.3°C | 11.3°C | 31.5°C | 6.4°C | 23 mm | 59% | 0.5 m/s | 6.1 |
| 2006 | 23.4°C | 16.9°C | 10.5°C | 33.1°C | 6.1°C | 6 mm | 60% | 0.5 m/s | 6.1 |
| 2005 | 22.3°C | 17.1°C | 12.0°C | 30.1°C | 7.8°C | 86 mm | 68% | 0.5 m/s | 5.2 |
| 2004 | 20.1°C | 15.3°C | 10.4°C | 33.5°C | 7.2°C | 182 mm | 73% | 0.5 m/s | 5.6 |
| 2003 | 18.9°C | 13.9°C | 8.9°C | 26.9°C | 4.5°C | 73 mm | 71% | 0.5 m/s | 5.2 |
| 2002 | 23.6°C | 17.1°C | 10.7°C | 31.8°C | 5.7°C | 8 mm | 52% | 0.5 m/s | 6.1 |
| 2001 | 20.8°C | 15.3°C | 9.8°C | 26.7°C | 5.2°C | 57 mm | 62% | 0.6 m/s | 6 |
| 2000 | 20.7°C | 15.7°C | 10.7°C | 32.0°C | 5.9°C | 58 mm | 67% | 0.5 m/s | 5.4 |
| 1999 | 20.3°C | 15.8°C | 11.3°C | 26.3°C | 6.1°C | 217 mm | 79% | 0.5 m/s | 5 |
| 1998 | 18.8°C | 14.2°C | 9.6°C | 25.9°C | 5.0°C | 38 mm | 75% | 0.5 m/s | 5.5 |
| 1997 | 21.2°C | 15.6°C | 9.9°C | 31.9°C | 4.8°C | 50 mm | 68% | 0.5 m/s | 6.2 |
| 1996 | 20.5°C | 15.1°C | 9.8°C | 27.6°C | 5.3°C | 52 mm | 71% | 0.5 m/s | 5.7 |
| 1995 | 19.0°C | 14.3°C | 9.6°C | 24.6°C | 5.3°C | 83 mm | 77% | 0.5 m/s | 5.5 |
| 1994 | 21.5°C | 15.2°C | 9.0°C | 31.3°C | 5.4°C | 44 mm | 61% | 0.5 m/s | 5.9 |
| 1993 | 19.6°C | 14.4°C | 9.2°C | 25.9°C | 3.7°C | 74 mm | 72% | 0.5 m/s | 5.7 |
| 1992 | 19.2°C | 14.6°C | 9.9°C | 26.9°C | 5.5°C | 83 mm | 74% | 0.5 m/s | 5.1 |
| 1991 | 21.7°C | 15.9°C | 10.1°C | 31.1°C | 5.9°C | 27 mm | 69% | 0.5 m/s | 6.2 |
| 1990 | 18.6°C | 13.9°C | 9.2°C | 28.2°C | 5.9°C | 41 mm | 78% | 0.5 m/s | 5.8 |
| 1989 | 19.8°C | 14.5°C | 9.3°C | 25.8°C | 4.6°C | 21 mm | 64% | 0.6 m/s | 6.1 |
| 1988 | 22.2°C | 16.4°C | 10.6°C | 30.7°C | 7.1°C | 6 mm | 59% | 0.6 m/s | 6.5 |
| 1987 | 18.5°C | 13.9°C | 9.3°C | 24.3°C | 4.2°C | 206 mm | 76% | 0.6 m/s | 5.2 |
| 1986 ❄️ | 18.0°C | 13.3°C | 8.6°C | 26.0°C | 5.2°C | 78 mm | 72% | 0.6 m/s | 5.6 |
| 1985 | 18.5°C | 14.4°C | 10.3°C | 24.7°C | 5.2°C | 189 mm | 81% | 0.5 m/s | 5.1 |
| 1984 | 19.9°C | 14.5°C | 9.1°C | 28.6°C | 3.9°C | 40 mm | 71% | 0.5 m/s | 5.3 |
| 1983 | 18.8°C | 14.5°C | 10.1°C | 26.7°C | 4.9°C | 198 mm | 80% | 0.5 m/s | — |
| 1982 | 20.3°C | 14.3°C | 8.4°C | 31.0°C | 3.2°C | 39 mm | 66% | 0.5 m/s | — |
| 1981 | 21.5°C | 16.3°C | 11.0°C | 29.8°C | 6.8°C | 131 mm | 68% | 0.5 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 21°C with lows near 10.3°C (mean 15.7°C), based on 45 years of NASA POWER data.
October averages 76 mm of rainfall in Wollongong, about average for rainfall. The wettest on record was 240 mm in 2022.
The hottest October reached 33.5°C in 2004. The coldest dipped to 3.2°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.6°C. Daytime highs moved from 19.8°C to 21.8°C and overnight lows from 9.8°C to 11°C over the same span.
October is close to Wollongong's year-round average and about average for rainfall, so plan for around 21°C daytime highs and 10.3°C at night.
Not quite — October is the 6th coolest month in Wollongong, averaging 15.7°C.
For October in Wollongong, pack light layers you can adjust through the day, with typical highs of 21°C and lows of 10.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 69% — moderately humid.
Average wind speed in October is 0.5 m/s. The windiest October on record averaged 0.6 m/s (1986).
The wettest October on record was 2022 with 240 mm. On average, October sees 76 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 Wollongong 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.
