Bunbury Weather in October (1981–2025)

📍 33.33°S, 115.64°E •
📊

October at a Glance in Bunbury

(1981–2025)
Avg High
🔥
19.8°C
Avg Low
❄️
10.2°C
Avg Temp
🌡️
15.0°C
Avg Rain
🌧️
42 mm
Avg Humidity
💧
76%
Avg Wind
🌬️
3.5 m/s
Avg Solar
☀️
5.8
kWh/m²/day
vs Annual
📈
-2.6°C
temp difference
🌤️Mild afternoons🌤️Cool mornings☀️Very sunny🌦️Some rain💨Breezy💦Humid air

Bunbury October Weather Overview

October is one of the cooler months of the year in Bunbury, with average highs near 19.8°C and lows around 10.2°C (mean 15°C). It is one of the drier months, averaging 42 mm of rainfall and 76% relative humidity across the period.

Bunbury October Temperature History (1981–2025)

Range

October is one of the cooler months of the year in Bunbury. Across 45 years of records, the warmest October in Bunbury was 2015 — when the month averaged 17.6°C — while the coldest were 1993 and 2005 at 13.3°C. Typical October days reach 19.8°C with nights near 10.2°C. The long-term trend is warming, about 0.4°C per decade.

1981–1985 vs 2021–2025

Avg Temp14.8°C→15.4°C+0.6°C
Max Temp19.8°C→20.3°C+0.5°C
Min Temp9.9°C→10.7°C+0.8°C

Trend (per decade)

Avg Temp+0.4°C/decade ↗
Max Temp+0.4°C/decade ↗
Min Temp+0.3°C/decade ↗

Distribution of Avg Temp

13.0°C–14.3°C10 yr (22%)
14.3°C–15.5°C22 yr (49%)
15.5°C–16.8°C11 yr (24%)
16.8°C–18.0°C2 yr (4%)

Bunbury October Rainfall History (1981–2025)

Range

October is one of the drier months in Bunbury, averaging 42 mm of rainfall. The wettest October on record was 1999 with 96 mm, while the driest was 2023 at 11 mm.

Bunbury October Humidity History (1981–2025)

Range

Relative humidity in Bunbury during October averages 76%. The most humid October was 1992 at 81%, and the least humid was 2010 at 63%.

Bunbury October Solar History (1981–2025)

Range

October receives about 5.8 kWh/m²/day of solar energy in Bunbury. The sunniest October was 2020 at 6.4 kWh/m²/day, and the cloudiest was 1988 at 5.2.

Bunbury October Wind History (1981–2025)

Range

Average wind speed in Bunbury during October is 3.5 m/s. The windiest October was 1985 at 3.9 m/s, while the calmest were 1983 and 2025 at 3 m/s.

What October Feels Like in Bunbury

🌅
Cool
Morning
🌞
Mild
Afternoon
🌆
Cool
Evening
Rain chanceModerate
Outdoor comfort★★★★★

How October Ranks in Bunbury

🥶5th coolest month of the year
🌧️6th wettest month of the year
☀️5th sunniest month of the year

Ranked against the other 11 months using 1981–2025 averages.

Explore Bunbury Weather by Month

Bunbury October Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp14.6°C14.5°C14.7°C15.8°C15.6°C+1°C
Avg High19.3°C19.2°C19.3°C20.8°C20.5°C+1.2°C
Avg Low9.9°C9.8°C10.1°C10.8°C10.7°C+0.8°C
Avg Rain42 mm49 mm44 mm35 mm40 mm-2 mm

Extreme October Records in Bunbury

🔥Warmest October31.4°C2023
🧊Coldest October4.2°C2016
🌧️Wettest October96 mm1999
🏜️Driest October11 mm2023
🌬️Windiest October3.9 m/s1985

Key Insights for October

✅

October temperatures in Bunbury have risen by about 0.6°C between 1981–1985 and 2021–2025.

✅

October has ranged from a record low of 4.2°C (2016) to a record high of 31.4°C (2023).

✅

Rainfall in October is one of the drier months, averaging 42 mm, with a wettest year of 96 mm.

Is October a Good Time to Visit Bunbury?

A good time to visit Bunbury

October is a good time to visit Bunbury, with days averaging 19.8°C and nights around 10.2°C (mean 15°C, cooler than Bunbury's yearly average) and moderate rainfall. March and December are marginally more temperate, but October still suits most travellers.

See Bunbury's complete weather history All 12 months side by side, 1981–2025 records, annual trends and long-term averages in one place. View full history →

Bunbury Weather in October — In Depth

☀️ October climate overview

October is one of the cooler months of the year in Bunbury, with average highs near 19.8°C and lows around 10.2°C (mean 15°C). It is one of the drier months, averaging 42 mm of rainfall and 76% relative humidity across the period.

🌧️ Rain, humidity & wind in October

October averages 42 mm of rainfall in Bunbury, one of the drier months compared with the rest of the year. The wettest October on record saw 96 mm (1999), and the driest just 11 mm (2023). Humidity sits around 76% and average wind speed is 3.5 m/s, with solar radiation averaging 5.8 kWh/m²/day.

📈 How October has changed

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.6°C. Daytime highs moved from 19.8°C to 20.3°C and overnight lows from 9.9°C to 10.7°C over the same span.
October Weather in Bunbury, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202519.3°C15.0°C10.8°C27.1°C8.1°C56 mm78%3 m/s5.6
202421.3°C16.5°C11.7°C30.3°C9.0°C38 mm74%3.4 m/s6.1
202323.3°C17.4°C11.6°C31.4°C7.7°C11 mm66%3.5 m/s6.2
202219.0°C14.3°C9.7°C22.7°C7.4°C33 mm73%3.6 m/s5.6
202118.4°C14.0°C9.5°C25.4°C5.7°C80 mm76%3.5 m/s5.6
202021.8°C16.2°C10.7°C29.9°C5.8°C25 mm70%3.5 m/s6.4
201921.5°C16.3°C11.1°C30.3°C7.6°C42 mm72%3.4 m/s5.8
201820.7°C16.2°C11.7°C25.5°C9.5°C36 mm75%3.6 m/s5.7
201720.2°C15.3°C10.4°C28.3°C5.9°C31 mm73%3.8 m/s5.9
201618.4°C13.9°C9.4°C25.4°C4.2°C31 mm75%3.8 m/s5.8
2015 🔥23.0°C17.6°C12.2°C28.1°C6.8°C38 mm72%3.3 m/s6.1
201420.6°C15.7°C10.8°C26.0°C6.9°C35 mm79%3.4 m/s5.7
201319.9°C15.2°C10.5°C28.5°C6.0°C35 mm81%3.4 m/s5.9
201221.1°C15.9°C10.7°C29.0°C6.6°C30 mm72%3.5 m/s6.1
201120.7°C15.9°C11.0°C26.5°C7.1°C49 mm78%3.3 m/s5.7
201022.4°C16.2°C10.0°C29.9°C6.8°C20 mm63%3.5 m/s6.2
200920.0°C15.0°C10.1°C28.6°C6.9°C15 mm80%3.4 m/s5.6
200820.2°C15.6°C10.9°C27.4°C6.5°C57 mm78%3.5 m/s5.4
200718.9°C14.3°C9.7°C23.9°C7.4°C64 mm80%3.5 m/s5.9
200621.1°C15.9°C10.8°C28.5°C7.6°C32 mm72%3.8 m/s6
200517.1°C13.3°C9.4°C20.7°C5.5°C81 mm80%3.5 m/s5.5
200419.1°C14.8°C10.4°C24.5°C7.6°C44 mm78%3.8 m/s5.7
200318.9°C14.5°C10.0°C25.8°C6.5°C36 mm80%3.4 m/s5.4
200218.6°C14.6°C10.7°C23.7°C4.5°C77 mm80%3.5 m/s5.3
200119.4°C14.1°C8.9°C25.0°C5.6°C23 mm74%3.5 m/s5.8
200020.0°C14.9°C9.7°C25.8°C7.3°C16 mm77%3.2 m/s6.2
1999 🌧️19.0°C14.2°C9.4°C24.3°C5.9°C96 mm80%3.6 m/s5.8
199819.0°C14.2°C9.4°C24.2°C6.1°C36 mm77%3.8 m/s6
199720.1°C15.2°C10.4°C28.0°C6.8°C34 mm76%3.7 m/s5.9
199619.3°C14.5°C9.7°C27.6°C5.6°C56 mm80%3.1 m/s5.8
199519.8°C15.3°C10.8°C24.0°C6.2°C79 mm77%3.5 m/s6
199419.4°C14.3°C9.2°C27.9°C5.2°C29 mm76%3.5 m/s6.1
1993 ❄️17.7°C13.3°C9.0°C23.2°C5.0°C48 mm77%3.5 m/s5.5
199218.9°C14.3°C9.7°C25.1°C5.2°C18 mm81%3.3 m/s5.8
199120.6°C15.5°C10.4°C27.1°C6.9°C33 mm78%3.3 m/s5.8
199018.4°C14.1°C9.7°C25.9°C6.8°C58 mm79%3.6 m/s5.4
198917.5°C13.8°C10.1°C22.1°C6.4°C91 mm77%3.6 m/s5.6
198818.4°C14.7°C10.9°C27.5°C6.1°C50 mm80%3.7 m/s5.2
198720.3°C15.0°C9.6°C26.1°C6.6°C26 mm71%3.6 m/s5.4
198617.9°C13.5°C9.1°C21.7°C5.0°C42 mm74%3.4 m/s5.8
198519.7°C14.4°C9.1°C25.9°C4.4°C36 mm71%3.9 m/s5.9
198419.8°C15.4°C11.0°C25.6°C7.2°C30 mm73%3.5 m/s5.5
198320.3°C14.9°C9.5°C26.5°C6.4°C22 mm77%3 m/s—
198220.3°C15.0°C9.8°C29.0°C6.1°C48 mm74%3.6 m/s—
198119.1°C14.5°C9.9°C26.4°C4.8°C38 mm78%3.4 m/s—

Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.

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Bunbury October Weather — FAQ

What is the average temperature in Bunbury in October?▼

The average high in October is around 19.8°C with lows near 10.2°C (mean 15°C), based on 45 years of NASA POWER data.

Does it rain a lot in Bunbury in October?▼

October averages 42 mm of rainfall in Bunbury, one of the drier months. The wettest on record was 96 mm in 1999.

What was the hottest October on record in Bunbury?▼

The hottest October reached 31.4°C in 2023. The coldest dipped to 4.2°C in 2016.

Has October in Bunbury gotten warmer over time?▼

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.6°C. Daytime highs moved from 19.8°C to 20.3°C and overnight lows from 9.9°C to 10.7°C over the same span.

Is October a good time to visit Bunbury?▼

October is one of the cooler months of the year in Bunbury and one of the drier months, so plan for around 19.8°C daytime highs and 10.2°C at night.

Is October the coldest month in Bunbury?▼

Not quite — October is the 5th coolest month in Bunbury, averaging 15°C.

What should I pack for Bunbury in October?▼

For October in Bunbury, pack light layers you can adjust through the day, with typical highs of 19.8°C and lows of 10.2°C.

Is Bunbury humid in October?▼

Relative humidity in October averages 76% — quite humid.

How windy is Bunbury in October?▼

Average wind speed in October is 3.5 m/s. The windiest October on record averaged 3.9 m/s (1985).

Which October had the most rainfall in Bunbury?▼

The wettest October on record was 1999 with 96 mm. On average, October sees 42 mm.

Where does this October weather data come from?▼

All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.

Other Western Australia cities

Explore how the weather in Bunbury 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.