December 16 is generally a great time to visit Byron Bay. While there is a slight chance of rain (33%), showers are usually brief. Expect comfortable 27°C weather. Expect a bustling atmosphere in Byron Bay right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Byron Bay
Currency
AUD
$ Australian dollar
Language
English
Driving
Left side
Safety
High Safety
GPI: 1.565
Byron Bay Weather Forecast for December 16
"Warm & Sunny. Expect average highs of 26.5°C. 33% chance of rain."
What to Wear in Byron Bay in December
Based on historical data for December 16, Byron Bay typically experiences temperatures between 20.4°C and 26.5°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 33% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Byron Bay
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
26.5°C
Daytime Peak
Average Low
20.4°C
Nighttime Low
Feels Like
27.7°C
☀️ Minor difference
Rain Chance
33%
Avg 2.1mm if it rains
Cloud Cover
56%
Light drizzle
Pressure
1012.5 hPa
Medium volatility
Byron Bay 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+ required, seek shade
05:00 - 10:00
16:00 - 19:00
Type I-II
🔴 13 min to burn
Type III-IV
🟡 20 min to burn
Type V-VI
🟢 33 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
22.3°C
Humid/Sticky
Heat Stress
Low
No heat warning
😐 Best outdoor time:
Morning hours (before 11 AM)
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
90/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~65
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Byron Bay
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:43
☀️ Noon
12:42
🌇 Sunset
19:40
⏱️ Daylight
13h 57m
Wind Speed
19.3 km/h
Gentle breeze
Sunshine
11.3 hrs
Direct Sun (Cloud-free)
Humidity
78%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Byron Bay
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
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Travel Health & Safety in Byron Bay
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
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, Byron Bay on December 16 averages 26.5°C with a 33% precipitation probability. Wedding/Outdoor Event Score: 90/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Byron Bay Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
December 20
26.5°C • 23% rain
Score
95
December 21
26.5°C • 22% rain
Score
95
December 22
26.5°C • 23% rain
Score
94
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 16) in other destinations
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📍 Is Byron Bay Worth Visiting on December 16?
Planning a trip to Byron Bay on December 16? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 26.5°C with a 33% historical precipitation risk.
✈️ Travel Logistics: Approximately 65 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 24.1°C (swimming pool). Wave conditions are generally surfers only with heights around 1.48m.
📊 Historical Extremes: The hottest December 16 recorded in the last 30 years saw temperatures hit 31.5°C in 2019, while the coldest dropped to 17.7°C in 2022.