March 31 is generally a great time to visit Byron Bay. While there is a slight chance of rain (36%), showers are usually brief. Expect comfortable 25°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 March 31
"Mild & Comfortable. Expect average highs of 24.6°C. 36% chance of rain."
What to Wear in Byron Bay in March
Based on historical data for March 31, Byron Bay typically experiences temperatures between 19.4°C and 24.6°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 36% 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
24.6°C
Daytime Peak
Average Low
19.4°C
Nighttime Low
Feels Like
25.5°C
☀️ Feels accurate
Rain Chance
36%
Avg 3mm if it rains
Cloud Cover
54%
Light drizzle
Pressure
1015.7 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 96% 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 - 18:00
Type I-II
🔴 24 min to burn
Type III-IV
🟡 36 min to burn
Type V-VI
🟢 60 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
21.1°C
Humid/Sticky
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
⚠️ Mixed Conditions
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
~62
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Byron Bay
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:55
☀️ Noon
12:51
🌇 Sunset
18:46
⏱️ Daylight
11h 50m
Wind Speed
15.8 km/h
Gentle breeze
Sunshine
9.2 hrs
Direct Sun (Cloud-free)
Humidity
81%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Byron Bay
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 Byron Bay
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟢 Moderate
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
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Byron Bay on March 31 averages 24.6°C with a 36% precipitation probability. Wedding/Outdoor Event Score: 91/100."
— 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
April 1
24.5°C • 32% rain
Score
93
April 2
24.4°C • 32% rain
Score
93
April 3
24.4°C • 35% rain
Score
92
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (March 31) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Byron Bay Worth Visiting on March 31?
Planning a trip to Byron Bay on March 31? 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 24.6°C with a 36% historical precipitation risk.
✈️ Travel Logistics: Approximately 62 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 25.3°C (tropical bath). Wave conditions are generally surfers only with heights around 1.96m.
📊 Historical Extremes: The hottest March 31 recorded in the last 30 years saw temperatures hit 26.7°C in 2025, while the coldest dropped to 15.2°C in 2019.