December 18 is generally a great time to visit Brisbane. While there is a slight chance of rain (24%), showers are usually brief. Expect comfortable 29°C weather. Brisbane is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Brisbane
Currency
AUD
$ Australian dollar
Language
English
Driving
Left side
Connect
Brisbane City Council now offersfree Wi-...
Safety
High Safety
GPI: 1.565
Brisbane Weather Forecast for December 18
"Warm & Sunny. Expect average highs of 28.7°C. 24% chance of rain."
What to Wear in Brisbane in December
Based on historical data for December 18, Brisbane typically experiences temperatures between 20°C and 28.7°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (24% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Brisbane
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
28.7°C
Daytime Peak
Average Low
20°C
Nighttime Low
Feels Like
32.8°C
🔥 Feels warmer
Rain Chance
24%
Avg 2mm if it rains
Cloud Cover
50%
Overcast
Pressure
1012.8 hPa
Medium volatility
Brisbane Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 91% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
04:00 - 09:30
16:00 - 18:00
Type I-II
🔴 12 min to burn
Type III-IV
🟡 18 min to burn
Type V-VI
🟢 30 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
23.6°C
Humid/Sticky
Heat Index
32.8°C
Feels hotter
😐 Best outdoor time:
Morning hours (before 11 AM)
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
Busy
68/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~619
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Brisbane
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:49
☀️ Noon
11:45
🌇 Sunset
18:41
⏱️ Daylight
13h 52m
Wind Speed
16.8 km/h
Gentle breeze
Sunshine
11.5 hrs
Direct Sun (Cloud-free)
Humidity
74%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Brisbane
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Brisbane
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.
Mild discomfort possible for arthritic conditions.
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, Brisbane on December 18 averages 28.7°C with a 24% precipitation probability. Wedding/Outdoor Event Score: 95/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Brisbane Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
December 21
28.9°C • 17% rain
Score
97
December 20
28.9°C • 19% rain
Score
96
December 22
28.9°C • 20% rain
Score
96
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 18) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Brisbane Worth Visiting on December 18?
Planning a trip to Brisbane on December 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 28.7°C with a 24% historical precipitation risk.
✈️ Travel Logistics: Approximately 619 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 6 vaccinations are recommended for Australia, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 27°C (tropical bath). Wave conditions are generally lake-like with heights around 0m.
📊 Historical Extremes: The hottest December 18 recorded in the last 30 years saw temperatures hit 32.8°C in 2016, while the coldest dropped to 15.8°C in 2022.