October is one of the cooler months of the year in Ballarat, with average highs near 17.4°C and lows around 5.6°C (mean 11.5°C). It is about average for rainfall, averaging 59 mm of rainfall and 75% relative humidity across the period.
October is one of the cooler months of the year in Ballarat. Across 45 years of records, the warmest October in Ballarat was 2015 — when the month averaged 16.4°C — while the coldest was 2003 at 9.3°C. Typical October days reach 17.4°C with nights near 5.6°C. The long-term trend is warming, about 0.4°C per decade.
October is about average for rainfall in Ballarat, averaging 59 mm of rainfall. The wettest October on record was 2022 with 199 mm, while the driest were 2006 and 2015 at 8 mm.
Relative humidity in Ballarat during October averages 75%. The most humid October was 2022 at 85%, and the least humid was 2015 at 59%.
October receives about 5.4 kWh/m²/day of solar energy in Ballarat. The sunniest October was 2006 at 6.5 kWh/m²/day, and the cloudiest were 2001 and 2022 at 4.6.
Average wind speed in Ballarat during October is 2.8 m/s. The windiest Octobers were 1988 and 2016 at 3.6 m/s, while the calmest were 1992 and 1999 at 2.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.7°C | 11.2°C | 11.5°C | 12.4°C | 11.9°C | +1.2°C |
| Avg High | 16.3°C | 16.9°C | 17.5°C | 18.7°C | 17.7°C | +1.4°C |
| Avg Low | 5.1°C | 5.5°C | 5.5°C | 6.1°C | 6.1°C | +1°C |
| Avg Rain | 65 mm | 61 mm | 49 mm | 48 mm | 85 mm | +20 mm |
October temperatures in Ballarat have risen by about 1°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -1.3°C (1987) to a record high of 31.4°C (1982).
Rainfall in October is about average for rainfall, averaging 59 mm, with a wettest year of 199 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.6°C per decade while lows rose 0.3°C per decade, widening the gap between day and night.
A good time to visit Ballarat
October is a good time to visit Ballarat, with days averaging 17.4°C and nights around 5.6°C (mean 11.5°C, cooler than Ballarat's yearly average) and moderate 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 | 18.2°C | 12.1°C | 6.1°C | 27.9°C | 0.8°C | 67 mm | 72% | 3.1 m/s | 5.2 |
| 2024 | 20.4°C | 13.6°C | 6.8°C | 26.5°C | 0.9°C | 47 mm | 68% | 2.9 m/s | 5.8 |
| 2023 | 18.3°C | 11.9°C | 5.5°C | 26.5°C | 2.1°C | 45 mm | 68% | 3 m/s | 5.7 |
| 2022 🌧️ | 16.2°C | 11.5°C | 6.8°C | 21.6°C | 0.8°C | 199 mm | 85% | 2.6 m/s | 4.6 |
| 2021 | 16.1°C | 10.7°C | 5.4°C | 23.7°C | 0.9°C | 77 mm | 79% | 2.7 m/s | 5.3 |
| 2020 | 16.8°C | 11.4°C | 6.0°C | 25.2°C | 2.6°C | 74 mm | 80% | 2.9 m/s | 4.9 |
| 2019 | 19.5°C | 12.9°C | 6.3°C | 30.5°C | 0.8°C | 26 mm | 68% | 2.7 m/s | 5.7 |
| 2018 | 20.2°C | 13.3°C | 6.4°C | 25.9°C | 1.7°C | 30 mm | 68% | 2.7 m/s | 5.6 |
| 2017 | 19.6°C | 13.0°C | 6.3°C | 28.2°C | 1.5°C | 42 mm | 71% | 2.7 m/s | 5.6 |
| 2016 | 15.4°C | 9.7°C | 4.1°C | 23.0°C | 0.6°C | 79 mm | 77% | 3.6 m/s | 5.3 |
| 2015 🔥 | 24.6°C | 16.4°C | 8.3°C | 31.4°C | 3.2°C | 8 mm | 59% | 2.6 m/s | 6.1 |
| 2014 | 20.1°C | 13.3°C | 6.6°C | 29.2°C | 2.6°C | 27 mm | 71% | 2.8 m/s | 5.7 |
| 2013 | 16.1°C | 10.7°C | 5.4°C | 26.1°C | 1.2°C | 61 mm | 78% | 3.2 m/s | 5.1 |
| 2012 | 17.1°C | 11.4°C | 5.7°C | 27.4°C | 2.9°C | 32 mm | 76% | 2.6 m/s | 5.3 |
| 2011 | 17.6°C | 11.9°C | 6.1°C | 26.4°C | 0.1°C | 57 mm | 77% | 2.6 m/s | 4.9 |
| 2010 | 16.6°C | 11.2°C | 5.7°C | 22.8°C | 1.4°C | 122 mm | 82% | 2.6 m/s | 5.3 |
| 2009 | 16.7°C | 11.2°C | 5.8°C | 29.8°C | 0.9°C | 35 mm | 78% | 2.7 m/s | 5.4 |
| 2008 | 19.9°C | 12.8°C | 5.8°C | 29.9°C | 0.3°C | 14 mm | 66% | 2.6 m/s | 5.6 |
| 2007 | 18.3°C | 11.8°C | 5.4°C | 27.4°C | 0.5°C | 16 mm | 70% | 3 m/s | 5.6 |
| 2006 | 20.2°C | 12.4°C | 4.6°C | 30.9°C | -0.1°C | 8 mm | 60% | 2.7 m/s | 6.5 |
| 2005 | 17.9°C | 12.1°C | 6.2°C | 24.3°C | 1.1°C | 68 mm | 75% | 2.6 m/s | 5.3 |
| 2004 | 18.2°C | 12.2°C | 6.2°C | 27.5°C | 1.9°C | 34 mm | 74% | 2.6 m/s | 5.7 |
| 2003 ❄️ | 14.4°C | 9.3°C | 4.3°C | 23.4°C | 0.1°C | 88 mm | 81% | 2.7 m/s | 4.8 |
| 2002 | 18.1°C | 12.0°C | 5.9°C | 27.1°C | 1.8°C | 36 mm | 69% | 3.1 m/s | 5.1 |
| 2001 | 15.3°C | 10.4°C | 5.6°C | 22.4°C | 2.0°C | 85 mm | 79% | 3.1 m/s | 4.6 |
| 2000 | 15.5°C | 10.4°C | 5.3°C | 22.1°C | 0.7°C | 106 mm | 81% | 2.7 m/s | 5 |
| 1999 | 18.3°C | 12.3°C | 6.3°C | 24.4°C | 2.7°C | 54 mm | 74% | 2.5 m/s | 5.4 |
| 1998 | 16.3°C | 10.7°C | 5.0°C | 26.3°C | -0.4°C | 68 mm | 75% | 2.9 m/s | 5.2 |
| 1997 | 18.4°C | 12.0°C | 5.6°C | 28.4°C | 0.2°C | 59 mm | 72% | 2.9 m/s | 5.3 |
| 1996 | 16.5°C | 10.9°C | 5.3°C | 23.8°C | -0.4°C | 31 mm | 80% | 2.8 m/s | 5.6 |
| 1995 | 15.4°C | 10.2°C | 4.9°C | 25.5°C | 0.9°C | 77 mm | 80% | 3 m/s | 5.1 |
| 1994 | 17.3°C | 11.2°C | 5.1°C | 27.6°C | 1.0°C | 41 mm | 70% | 2.9 m/s | 5.5 |
| 1993 | 15.7°C | 10.0°C | 4.4°C | 20.1°C | 0.1°C | 76 mm | 80% | 2.8 m/s | 5.4 |
| 1992 | 16.2°C | 11.1°C | 6.0°C | 23.5°C | 0.0°C | 109 mm | 82% | 2.5 m/s | 5 |
| 1991 | 17.9°C | 12.1°C | 6.2°C | 26.6°C | 2.1°C | 17 mm | 78% | 2.8 m/s | 6 |
| 1990 | 17.0°C | 11.5°C | 6.1°C | 28.2°C | 0.5°C | 77 mm | 79% | 2.8 m/s | 5.5 |
| 1989 | 15.2°C | 10.2°C | 5.1°C | 21.7°C | 0.1°C | 93 mm | 82% | 3.2 m/s | 5.5 |
| 1988 | 16.8°C | 11.2°C | 5.6°C | 24.3°C | 1.8°C | 33 mm | 75% | 3.6 m/s | 5.4 |
| 1987 | 16.1°C | 10.5°C | 4.8°C | 28.2°C | -1.3°C | 54 mm | 79% | 2.7 m/s | 5.4 |
| 1986 | 14.0°C | 9.4°C | 4.7°C | 20.6°C | 1.1°C | 114 mm | 83% | 3.1 m/s | 4.7 |
| 1985 | 17.4°C | 11.3°C | 5.2°C | 22.4°C | 0.0°C | 79 mm | 77% | 2.8 m/s | 5.5 |
| 1984 | 16.9°C | 10.9°C | 5.0°C | 22.8°C | 0.8°C | 36 mm | 77% | 2.8 m/s | 5.8 |
| 1983 | 15.5°C | 10.6°C | 5.8°C | 20.6°C | 0.4°C | 84 mm | 83% | 2.6 m/s | — |
| 1982 | 18.3°C | 11.4°C | 4.5°C | 31.4°C | -0.3°C | 27 mm | 65% | 2.9 m/s | — |
| 1981 | 16.7°C | 10.8°C | 5.0°C | 23.4°C | 2.0°C | 61 mm | 79% | 2.7 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 17.4°C with lows near 5.6°C (mean 11.5°C), based on 45 years of NASA POWER data.
October averages 59 mm of rainfall in Ballarat, about average for rainfall. The wettest on record was 199 mm in 2022.
The hottest October reached 31.4°C in 1982. The coldest dipped to -1.3°C in 1987.
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 17°C to 17.8°C and overnight lows from 5.1°C to 6.1°C over the same span.
October is one of the cooler months of the year in Ballarat and about average for rainfall, so plan for around 17.4°C daytime highs and 5.6°C at night.
Not quite — October is the 6th coolest month in Ballarat, averaging 11.5°C.
For October in Ballarat, pack warm layers and a jacket for chilly mornings, with typical highs of 17.4°C and lows of 5.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 75% — quite humid.
Average wind speed in October is 2.8 m/s. The windiest October on record averaged 3.6 m/s (1988).
The wettest October on record was 2022 with 199 mm. On average, October sees 59 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 Ballarat 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.
