Perth in October
What to expect
October in Perth is mid-spring, a shoulder-season window, so you can get a bit of variety across the month. The month is mostly mild for steady exploring, with a noticeable cool-down after sunset. Most days feel close to what the averages suggest, with straightforward pacing. The daylight window is balanced for full days without endless late evenings.
October in context
How it compares to the rest of the year in Perth.
Monthly climate breakdown
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight hours
- 12.9 h
- UV index (max)
- 8
- Typical sun hours
- 05:36 - 18:28
Rain & Snow
- Total rain
-
- Rainy days
- 8 days
- Cloud cover (avg)
- 38%
Humidity & Wind
- Humidity (avg)
- 66%
- Wind (avg)
-
- Wind (max gusts)
-
Daily climate explorer
Day 15 selected for October. Typical high 20.5°C and low 12.8°C.
Typical disruptions in October
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in October.
Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 8% of days (2.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
2.5 days / month
~8% of days
Why this matters
- Expected days 2.5 days / month
- Probability ~8% of days
- Intensity Up to ~91km/h (P95)
Strong gusts are possible on ~3 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Washout risk Measures: Washout day risk. Observed about 6% of days (1.9 days/month) in October. Historical risk signal only, not a day-by-day forecast.
1.9 days / month
~6% of days
Why this matters
- Expected days 1.9 days / month
- Probability ~6% of days
- Intensity Up to ~25mm (P95)
Washout conditions are possible on ~2 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Stormy conditions Measures: Storm-impact proxy days. Observed about 2% of days (0.6 days/month) in October. Historical risk signal only, not a day-by-day forecast.
0.6 days / month
~2% of days
Why this matters
- Expected days 0.6 days / month
- Probability ~2% of days
- Intensity Up to ~92km/h (P95)
Stormy conditions are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Rain disruption Measures: Likely rain disruption days. Observed about 6% of days (2.0 days/month) in October. Historical risk signal only, not a day-by-day forecast.
2.0 days / month
~6% of days
Why this matters
- Expected days 2.0 days / month
- Probability ~6% of days
- Intensity Up to ~25mm (P95)
Rain disruption risk appears on ~2 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 6% of days (1.8 days/month) in October. Historical risk signal only, not a day-by-day forecast.
1.8 days / month
~6% of days
Why this matters
- Expected days 1.8 days / month
- Probability ~6% of days
- Intensity Up to ~5°C (P95)
Cold feels-like nights are possible on ~2 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Hot days Measures: Hot days (>=30C). Observed about 5% of days (1.6 days/month) in October. Historical risk signal only, not a day-by-day forecast.
1.6 days / month
~5% of days
Why this matters
- Expected days 1.6 days / month
- Probability ~5% of days
- Intensity Up to ~35°C (P95)
Hot days are possible on ~2 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Show all disruptions (16 more)
Severe gusts Measures: Severe gust days (>=80 km/h). Observed about 1% of days (0.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
0.5 days / month
~1% of days
Why this matters
- Expected days 0.5 days / month
- Probability ~1% of days
- Intensity Up to ~97km/h (P95)
Severe gusts are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Washout run Measures: Multi-day washout runs. Observed about 0.4 days/month in October. Historical risk signal only, not a day-by-day forecast.
0.4 days / month
Probability unavailable
Why this matters
- Expected days 0.4 days / month
- Probability —
- Intensity Up to ~14mm (P95)
Multi-day washout runs are possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Wind disruption Measures: Disruptive wind days. Observed about 1% of days (0.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
0.3 days / month
~1% of days
Why this matters
- Expected days 0.3 days / month
- Probability ~1% of days
- Intensity Up to ~97km/h (P95)
Disruptive wind is possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 3% of days (0.8 days/month) in October. Historical risk signal only, not a day-by-day forecast.
0.8 days / month
~3% of days
Why this matters
- Expected days 0.8 days / month
- Probability ~3% of days
- Intensity Up to ~29mm (P95)
Heavy rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Hot feels-like days Measures: Hot feels-like days (>=32C). Observed about 2% of days (0.7 days/month) in October. Historical risk signal only, not a day-by-day forecast.
0.7 days / month
~2% of days
Why this matters
- Expected days 0.7 days / month
- Probability ~2% of days
- Intensity Up to ~35°C (P95)
Feels-like heat >=32C is possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Gusty days Measures: Gusty days (>=40 km/h). Observed about 63% of days (19.7 days/month) in October. Historical risk signal only, not a day-by-day forecast.
19.7 days / month
~63% of days
Why this matters
- Expected days 19.7 days / month
- Probability ~63% of days
- Intensity Up to ~69km/h (P95)
Gusty conditions are possible on ~20 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Wet days Measures: Wet days (>=0.1mm). Observed about 32% of days (10.0 days/month) in October. Historical risk signal only, not a day-by-day forecast.
10.0 days / month
~32% of days
Why this matters
- Expected days 10.0 days / month
- Probability ~32% of days
- Intensity Up to ~14mm (P95)
Measurable rain is possible on ~10 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 25% of days (7.7 days/month) in October. Historical risk signal only, not a day-by-day forecast.
7.7 days / month
~25% of days
Why this matters
- Expected days 7.7 days / month
- Probability ~25% of days
- Intensity Up to ~18h (P95)
Several rainy hours are possible on ~8 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 24% of days (7.6 days/month) in October. Historical risk signal only, not a day-by-day forecast.
7.6 days / month
~24% of days
Why this matters
- Expected days 7.6 days / month
- Probability ~24% of days
- Intensity Up to ~95% (P95)
Cloudy skies are possible on ~8 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 15% of days (4.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
4.5 days / month
~15% of days
Why this matters
- Expected days 4.5 days / month
- Probability ~15% of days
- Intensity Up to ~19h (P95)
Wet-most-of-day conditions are possible on ~5 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 8% of days (2.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
2.5 days / month
~8% of days
Why this matters
- Expected days 2.5 days / month
- Probability ~8% of days
- Intensity Up to ~36km/h (P95)
Breezy conditions are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 7% of days (2.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
2.3 days / month
~7% of days
Why this matters
- Expected days 2.3 days / month
- Probability ~7% of days
- Intensity Up to ~98% (P95)
Mostly cloudy skies are possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
High humidity Measures: High humidity days (RH >=80%). Observed about 7% of days (2.1 days/month) in October. Historical risk signal only, not a day-by-day forecast.
2.1 days / month
~7% of days
Why this matters
- Expected days 2.1 days / month
- Probability ~7% of days
- Intensity Up to ~86% (P95)
High humidity is possible on ~2 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 2% of days (0.5 days/month) in October. Historical risk signal only, not a day-by-day forecast.
0.5 days / month
~2% of days
Why this matters
- Expected days 0.5 days / month
- Probability ~2% of days
- Intensity Up to ~98% (P95)
Overcast skies are possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Windy days Measures: Windy days (mean wind >=35 km/h). Observed about 1% of days (0.3 days/month) in October. Historical risk signal only, not a day-by-day forecast.
0.3 days / month
~1% of days
Why this matters
- Expected days 0.3 days / month
- Probability ~1% of days
- Intensity Up to ~39km/h (P95)
Strong mean winds are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Heatwave run Measures: Heatwave runs (>=3 hot days). Observed about 0.1 days/month in October. Historical risk signal only, not a day-by-day forecast.
0.1 days / month
Probability unavailable
Why this matters
- Expected days 0.1 days / month
- Probability —
- Intensity Up to ~35°C (P95)
Heatwave runs are possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Frequently asked questions
Is October a good time to visit Perth?
Typical October days in Perth reach highs of 22°C (72°F) with nights around 12°C (54°F). It usually feels mild by day and cool after dark. Overall, October sits in the middle of the Perth climate range.
What are temperatures like in October?
Daytime temperatures in October typically peak near 22°C (72°F), while nights drop to around 12°C (54°F). Expect mild afternoons and cool evenings.
How much does it rain in October?
Rainfall in October averages 32 mm (1.3 in) across roughly 8 days. Overall it is a moderately wet time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in October?
You can expect about 13 hours of daylight in October. Sunrise is typically around 05:36 and sunset near 18:28. Daylight is fairly typical, with enough time for sightseeing.
How strong is the sun in October?
UV levels frequently reach very high levels (around 8), so strong sun protection is essential, especially around midday.
Is it windy in October?
In October, average wind speeds are around 18 km/h (11 mph), with gusts on the windiest days reaching about 58 km/h (36 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.