October 20 is generally a great time to visit Adelaide. While there is a slight chance of rain (16%), showers are usually brief. Expect comfortable 21°C weather. As it's peak season for Adelaide, we recommend booking your stay well in advance to secure the best rates.
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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 October 20
"Mild & Comfortable. Expect average highs of 21.2°C. 16% chance of rain."
What to Wear in Adelaide in October
Based on historical data for October 20, Adelaide typically experiences temperatures between 11.9°C and 21.2°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (16% 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
21.2°C
Daytime Peak
Average Low
11.9°C
Nighttime Low
Feels Like
21.3°C
☀️ Feels accurate
Rain Chance
16%
Avg 0.6mm if it rains
Cloud Cover
47%
Overcast
Pressure
1017.3 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 93% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
06:00 - 10:00
16:00 - 20:00
Type I-II
🔴 16 min to burn
Type III-IV
🟡 24 min to burn
Type V-VI
🟢 40 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
13.9°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
89/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~129
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Adelaide
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:58
☀️ Noon
13:31
🌇 Sunset
20:04
⏱️ Daylight
13h 5m
Wind Speed
23.6 km/h
Moderate wind
Sunshine
10.7 hrs
Direct Sun (Cloud-free)
Humidity
63%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Adelaide
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 Adelaide
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
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Adelaide on October 20 averages 21.2°C with a 16% precipitation probability. Wedding/Outdoor Event Score: 96/100."
— 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
Better Alternatives Nearby
Consider these dates within ±7 days
October 23
20.7°C • 14% rain
Score
100
October 24
20.5°C • 14% rain
Score
100
October 25
20.4°C • 13% rain
Score
100
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (October 20) in other destinations
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🌍 Explore the same date in different destinations around the world
📍 Is Adelaide Worth Visiting on October 20?
Planning a trip to Adelaide on October 20? 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 21.2°C with a 16% historical precipitation risk.
✈️ Travel Logistics: Approximately 129 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 17.9°C (refreshing tonic). Wave conditions are generally fun waves with heights around 0.74m.
📊 Historical Extremes: The hottest October 20 recorded in the last 30 years saw temperatures hit 26.3°C in 2016, while the coldest dropped to 7.7°C in 2019.