May 9 is statistically one of the best days of the year in Adelaide. With minimal rain risk (13%) and pleasant highs of 18°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Adelaide right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Adelaide
Currency
AUD
$ Australian dollar
Language
English
Driving
Left side
Connect
There is extensive free Wi-Fi access (po...
Safety
High Safety
GPI: 1.565
Adelaide Weather Forecast for May 9
"Mild & Comfortable. Expect average highs of 18.3°C. 13% chance of rain."
What to Wear in Adelaide in May
Based on historical data for May 9, Adelaide typically experiences temperatures between 11°C and 18.3°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (13% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Adelaide
Smart Suitcase
- Light Jacket
- Long Pants
Average High
18.3°C
Daytime Peak
Average Low
11°C
Nighttime Low
Feels Like
18.3°C
🌤️ Feels accurate
Rain Chance
13%
Avg 0.5mm if it rains
Cloud Cover
48%
Overcast
Pressure
1022.9 hPa
Medium volatility
Adelaide 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 15 for extended outdoor time
Type I-II
🔴 200 min to burn
Type III-IV
🟡 300 min to burn
Type V-VI
🟢 500 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
12.5°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
❄️ Cold Water Hazard
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Australia
Flight Traffic
High
86/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~125
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Adelaide
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
08:29
☀️ Noon
13:43
🌇 Sunset
18:57
⏱️ Daylight
10h 28m
Wind Speed
18.1 km/h
Gentle breeze
Sunshine
8.4 hrs
Direct Sun (Cloud-free)
Humidity
69%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Adelaide
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Adelaide
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
High pressure may reduce activity.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Adelaide on May 9 averages 18.3°C with a 13% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Adelaide Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (May 9) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Adelaide Worth Visiting on May 9?
Planning a trip to Adelaide on May 9? 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 18.3°C with a 13% historical precipitation risk.
✈️ Travel Logistics: Approximately 125 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 17.1°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.45m.
📊 Historical Extremes: The hottest May 9 recorded in the last 30 years saw temperatures hit 22.5°C in 2024, while the coldest dropped to 8°C in 2025.