January 11 is generally a great time to visit Byron Bay. While there is a slight chance of rain (22%), showers are usually brief. Expect comfortable 26°C weather. Byron Bay is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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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 January 11
"Warm & Sunny. Expect average highs of 26.3°C. 22% chance of rain."
What to Wear in Byron Bay in January
Based on historical data for January 11, Byron Bay typically experiences temperatures between 21.1°C and 26.3°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (22% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Byron Bay
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
26.3°C
Daytime Peak
Average Low
21.1°C
Nighttime Low
Feels Like
27.4°C
☀️ Minor difference
Rain Chance
22%
Avg 1.7mm if it rains
Cloud Cover
57%
Light drizzle
Pressure
1013.7 hPa
Low volatility
Byron Bay Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 19:00
Type I-II
🔴 14 min to burn
Type III-IV
🟡 21 min to burn
Type V-VI
🟢 35 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
22.1°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
94/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~68
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Byron Bay
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:59
☀️ Noon
12:54
🌇 Sunset
19:49
⏱️ Daylight
13h 49m
Wind Speed
18.3 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
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Travel Health & Safety in Byron Bay
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
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, Byron Bay on January 11 averages 26.3°C with a 22% precipitation probability. Wedding/Outdoor Event Score: 95/100."
— 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
Compare Other Cities
Same date (January 11) in other destinations
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📍 Is Byron Bay Worth Visiting on January 11?
Planning a trip to Byron Bay on January 11? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 26.3°C with a 22% historical precipitation risk.
✈️ Travel Logistics: Approximately 68 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 25.6°C (tropical bath). Wave conditions are generally surfers only with heights around 1.56m.
📊 Historical Extremes: The hottest January 11 recorded in the last 30 years saw temperatures hit 29.4°C in 2020, while the coldest dropped to 19.2°C in 2016.