October is one of the warmer months of the year in Sydney Mines, with average highs near 12.9°C and lows around 7.5°C (mean 10.2°C). It is a relatively wet time of year, averaging 105 mm of rainfall and 81% relative humidity across the period.
October is one of the warmer months of the year in Sydney Mines. Across 45 years of records, the warmest October in Sydney Mines was 2025 — when the month averaged 12.6°C — while the coldest was 2009 at 8°C. Typical October days reach 12.9°C with nights near 7.5°C. The long-term trend is warming, about 0.5°C per decade.
October is a relatively wet time of year in Sydney Mines, averaging 105 mm of rainfall. The wettest October on record was 2000 with 237 mm, while the driest was 2017 at 38 mm.
Relative humidity in Sydney Mines during October averages 81%. The most humid October was 2022 at 86%, and the least humid was 1993 at 74%.
October receives about 2.2 kWh/m²/day of solar energy in Sydney Mines. The sunniest October was 2022 at 2.8 kWh/m²/day, and the cloudiest was 1990 at 1.8.
Average wind speed in Sydney Mines during October is 6 m/s. The windiest Octobers were 1990 and 1999 at 6.9 m/s, while the calmest was 2022 at 4.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.3°C | 9.7°C | 10.3°C | 10.6°C | 11.6°C | +2.3°C |
| Avg High | 12.1°C | 12.4°C | 12.9°C | 13.3°C | 14.3°C | +2.2°C |
| Avg Low | 6.5°C | 7.1°C | 7.7°C | 7.9°C | 8.9°C | +2.4°C |
| Avg Rain | 89 mm | 86 mm | 135 mm | 122 mm | 85 mm | -4 mm |
October temperatures in Sydney Mines have risen by about 2.6°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 0°C (2018) to a record high of 24°C (2025).
Rainfall in October is a relatively wet time of year, averaging 105 mm, with a wettest year of 237 mm.
A good time to visit Sydney Mines
October is a good time to visit Sydney Mines, with days averaging 12.9°C and nights around 7.5°C (mean 10.2°C, warmer than Sydney Mines's yearly average) and higher rainfall. August and July 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 🔥 | 15.3°C | 12.6°C | 9.8°C | 24.0°C | 7.1°C | 59 mm | 78% | 5.2 m/s | 2.6 |
| 2024 | 13.5°C | 10.8°C | 8.1°C | 20.0°C | 0.8°C | 84 mm | 80% | 5.6 m/s | 2.4 |
| 2023 | 14.8°C | 12.2°C | 9.6°C | 21.6°C | 2.3°C | 155 mm | 84% | 4.8 m/s | 2.3 |
| 2022 | 14.7°C | 11.7°C | 8.7°C | 19.4°C | 4.8°C | 71 mm | 86% | 4.1 m/s | 2.8 |
| 2021 | 14.6°C | 12.0°C | 9.3°C | 19.2°C | 6.7°C | 70 mm | 82% | 5.5 m/s | 2.4 |
| 2020 | 13.0°C | 10.5°C | 7.9°C | 18.8°C | 1.6°C | 72 mm | 79% | 5.7 m/s | 2.2 |
| 2019 | 12.0°C | 9.6°C | 7.2°C | 16.1°C | 3.9°C | 106 mm | 84% | 5.3 m/s | 2.2 |
| 2018 | 11.6°C | 8.8°C | 6.0°C | 18.3°C | 0.0°C | 234 mm | 80% | 6.5 m/s | 1.9 |
| 2017 | 15.2°C | 12.0°C | 8.8°C | 21.4°C | 3.2°C | 38 mm | 82% | 5.9 m/s | 2.5 |
| 2016 | 13.7°C | 10.8°C | 7.9°C | 20.5°C | 2.8°C | 140 mm | 83% | 5.8 m/s | 2.4 |
| 2015 | 12.6°C | 9.8°C | 6.9°C | 18.9°C | 2.0°C | 101 mm | 79% | 6.2 m/s | 2.3 |
| 2014 | 14.7°C | 11.9°C | 9.2°C | 21.0°C | 5.2°C | 105 mm | 84% | 5.5 m/s | 2.3 |
| 2013 | 13.0°C | 10.3°C | 7.6°C | 18.9°C | 1.8°C | 77 mm | 80% | 5.6 m/s | 2.4 |
| 2012 | 14.0°C | 11.7°C | 9.4°C | 20.6°C | 4.1°C | 88 mm | 85% | 6.6 m/s | 2 |
| 2011 | 13.5°C | 10.9°C | 8.4°C | 21.1°C | 2.7°C | 204 mm | 85% | 6.4 m/s | 2.1 |
| 2010 | 12.6°C | 10.2°C | 7.8°C | 21.1°C | 2.2°C | 127 mm | 82% | 6.2 m/s | 2.2 |
| 2009 ❄️ | 10.1°C | 8.0°C | 5.9°C | 17.7°C | 1.4°C | 152 mm | 81% | 6.6 m/s | 2 |
| 2008 | 12.0°C | 9.8°C | 7.6°C | 16.6°C | 4.1°C | 90 mm | 82% | 6.2 m/s | 2.3 |
| 2007 | 13.0°C | 10.5°C | 7.9°C | 20.4°C | 3.4°C | 51 mm | 82% | 6.1 m/s | 2.4 |
| 2006 | 12.9°C | 10.5°C | 8.1°C | 19.6°C | 4.1°C | 172 mm | 80% | 6 m/s | 2.3 |
| 2005 | 13.8°C | 11.4°C | 8.9°C | 21.1°C | 3.7°C | 208 mm | 84% | 6.3 m/s | 2 |
| 2004 | 12.6°C | 10.1°C | 7.7°C | 17.1°C | 3.4°C | 79 mm | 85% | 5.9 m/s | 2.2 |
| 2003 | 14.5°C | 11.7°C | 8.8°C | 22.1°C | 4.0°C | 148 mm | 81% | 6.1 m/s | 2.4 |
| 2002 | 11.3°C | 8.5°C | 5.8°C | 21.5°C | 2.5°C | 145 mm | 79% | 6.6 m/s | 2.2 |
| 2001 | 14.9°C | 11.9°C | 8.9°C | 21.4°C | 3.7°C | 66 mm | 79% | 5.8 m/s | 2.7 |
| 2000 🌧️ | 13.4°C | 10.5°C | 7.5°C | 18.7°C | 3.4°C | 237 mm | 82% | 6.3 m/s | 2.2 |
| 1999 | 11.8°C | 8.9°C | 6.1°C | 19.5°C | 1.2°C | 172 mm | 80% | 6.9 m/s | 2 |
| 1998 | 11.3°C | 9.2°C | 7.1°C | 16.5°C | 1.3°C | 113 mm | 83% | 6.7 m/s | 2.2 |
| 1997 | 10.8°C | 8.5°C | 6.2°C | 18.3°C | 1.4°C | 47 mm | 80% | 6 m/s | 2.1 |
| 1996 | 11.3°C | 8.8°C | 6.3°C | 16.7°C | 1.7°C | 63 mm | 81% | 5.8 m/s | 2.1 |
| 1995 | 13.8°C | 11.3°C | 8.7°C | 21.0°C | 3.7°C | 39 mm | 81% | 5.6 m/s | 2.1 |
| 1994 | 12.8°C | 10.0°C | 7.2°C | 20.7°C | 4.3°C | 40 mm | 82% | 6.2 m/s | 2.2 |
| 1993 | 12.1°C | 9.0°C | 5.8°C | 18.6°C | 1.0°C | 138 mm | 74% | 6.7 m/s | 2.1 |
| 1992 | 12.4°C | 9.6°C | 6.8°C | 17.5°C | 1.6°C | 73 mm | 77% | 6.3 m/s | 1.9 |
| 1991 | 13.3°C | 10.7°C | 8.2°C | 19.4°C | 2.2°C | 76 mm | 82% | 6.8 m/s | 2 |
| 1990 | 14.1°C | 11.4°C | 8.7°C | 19.9°C | 2.3°C | 95 mm | 80% | 6.9 m/s | 1.8 |
| 1989 | 11.9°C | 8.9°C | 5.9°C | 19.5°C | 1.8°C | 62 mm | 79% | 5.7 m/s | 2.4 |
| 1988 | 11.7°C | 8.9°C | 6.0°C | 18.8°C | 0.7°C | 116 mm | 82% | 6.3 m/s | 2.1 |
| 1987 | 13.7°C | 10.6°C | 7.6°C | 20.7°C | 4.0°C | 110 mm | 81% | 5.8 m/s | 2.3 |
| 1986 | 11.4°C | 8.5°C | 5.6°C | 17.2°C | 0.3°C | 42 mm | 78% | 6.1 m/s | 2.4 |
| 1985 | 11.8°C | 9.2°C | 6.6°C | 18.9°C | 2.2°C | 56 mm | 77% | 6.5 m/s | 2.1 |
| 1984 | 11.5°C | 8.5°C | 5.6°C | 16.3°C | 0.8°C | 98 mm | 80% | 5.6 m/s | 2.4 |
| 1983 | 12.8°C | 10.2°C | 7.6°C | 21.1°C | 1.6°C | 85 mm | 81% | 6.3 m/s | — |
| 1982 | 12.0°C | 9.0°C | 6.0°C | 19.9°C | 1.5°C | 52 mm | 81% | 5.8 m/s | — |
| 1981 | 12.3°C | 9.8°C | 7.2°C | 16.8°C | 0.5°C | 176 mm | 82% | 6.2 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 12.9°C with lows near 7.5°C (mean 10.2°C), based on 45 years of NASA POWER data.
October averages 105 mm of rainfall in Sydney Mines, a relatively wet time of year. The wettest on record was 237 mm in 2000.
The hottest October reached 24°C in 2025. The coldest dipped to 0°C in 2018.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 2.6°C. Daytime highs moved from 12.1°C to 14.6°C and overnight lows from 6.6°C to 9.1°C over the same span.
October is one of the warmer months of the year in Sydney Mines and a relatively wet time of year, so plan for around 12.9°C daytime highs and 7.5°C at night.
Not quite — October is the 8th coolest month in Sydney Mines, averaging 10.2°C.
For October in Sydney Mines, pack warm layers and a jacket for chilly mornings, with typical highs of 12.9°C and lows of 7.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 81% — quite humid.
Average wind speed in October is 6 m/s. The windiest October on record averaged 6.9 m/s (1990).
The wettest October on record was 2000 with 237 mm. On average, October sees 105 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 Sydney Mines 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.
