October 31 is statistically one of the best days of the year in Perth. With minimal rain risk (10%) and pleasant highs of 23°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Perth right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Perth
Currency
AUD
$ Australian dollar
Language
English
Driving
Left side
Safety
High Safety
GPI: 1.565
Perth Weather Forecast for October 31
"Mild & Comfortable. Expect average highs of 23.1°C. 10% chance of rain."
What to Wear in Perth in October
Based on historical data for October 31, Perth typically experiences temperatures between 13.4°C and 23.1°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (10% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Perth
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
23.1°C
Daytime Peak
Average Low
13.4°C
Nighttime Low
Feels Like
23.4°C
☀️ Feels accurate
Rain Chance
10%
Avg 0.3mm if it rains
Cloud Cover
38%
Overcast
Pressure
1016.3 hPa
Medium volatility
Perth Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 81% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 14 min to burn
Type III-IV
🟡 21 min to burn
Type V-VI
🟢 35 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
15.4°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Australia
Flight Traffic
High
89/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~220
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Perth
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:21
☀️ Noon
12:01
🌇 Sunset
18:41
⏱️ Daylight
13h 19m
Wind Speed
26.9 km/h
Moderate wind
Sunshine
11.5 hrs
Direct Sun (Cloud-free)
Humidity
62%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Perth
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Perth
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Perth on October 31 averages 23.1°C with a 10% precipitation probability. Wedding/Outdoor Event Score: 98/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Perth Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (October 31) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Perth Worth Visiting on October 31?
Planning a trip to Perth on October 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 23.1°C with a 10% historical precipitation risk.
✈️ Travel Logistics: Approximately 220 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Australia, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 20.1°C (refreshing tonic). Wave conditions are generally fun waves with heights around 1.17m.
📊 Historical Extremes: The hottest October 31 recorded in the last 30 years saw temperatures hit 30.5°C in 2024, while the coldest dropped to 7.6°C in 2022.