November 18 is statistically one of the best days of the year in Perth. With minimal rain risk (9%) and pleasant highs of 25°C, it's ideal for outdoor adventures. Moderate travel demand makes this an excellent time for a balanced Perth experience.
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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 November 18
"Warm & Sunny. Expect average highs of 25.4°C. 9% chance of rain."
What to Wear in Perth in November
Based on historical data for November 18, Perth typically experiences temperatures between 15.2°C and 25.4°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (9% 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
25.4°C
Daytime Peak
Average Low
15.2°C
Nighttime Low
Feels Like
25.9°C
☀️ Feels accurate
Rain Chance
9%
Avg 0.3mm if it rains
Cloud Cover
36%
Overcast
Pressure
1013.9 hPa
Medium volatility
Perth Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
~ Expect variable conditions. Have flexible plans and pack for multiple weather scenarios.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 11 min to burn
Type III-IV
🟡 17 min to burn
Type V-VI
🟢 28 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
16.8°C
Noticeable
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
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Australia
Flight Traffic
Moderate
45/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~112
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Perth
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:08
☀️ Noon
12:03
🌇 Sunset
18:57
⏱️ Daylight
13h 48m
Wind Speed
27.7 km/h
Moderate wind
Sunshine
12.3 hrs
Direct Sun (Cloud-free)
Humidity
59%
Comfortable
Travel Intelligence
Exclusive flight analytics & health data for Perth
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Perth
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
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 November 18 averages 25.4°C with a 9% precipitation probability. Wedding/Outdoor Event Score: 97/100."
— 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
November 14
26.3°C • 6% rain
Score
99
November 11
25.4°C • 8% rain
Score
98
November 12
25.6°C • 8% rain
Score
98
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (November 18) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Perth Worth Visiting on November 18?
Planning a trip to Perth on November 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 25.4°C with a 9% historical precipitation risk.
✈️ Travel Logistics: Approximately 112 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 21.4°C (swimming pool). Wave conditions are generally fun waves with heights around 0.92m.
📊 Historical Extremes: The hottest November 18 recorded in the last 30 years saw temperatures hit 33.3°C in 2024, while the coldest dropped to 11.5°C in 2022.