March in Byron Bay brings high temperatures around 26°C (79°F) during the day, dropping to 21°C (70°F) at night, with quite a bit of rainfall expected, averaging around 144 mm (5.7 in) for the month.
If you prefer dry days with pleasant temperatures, March may not be the ideal month to visit Byron Bay. Our weather planner can help you explore destinations with more pleasant weather conditions.
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Pick a month to see the average temperature, rainfall and sunshine in Byron Bay - and find the best time to visit.
43-year average (1976-2025)
Based on our historical records, temperatures in Byron Bay typically stay consistent throughout March, with daily highs averaging around 26°C (79°F). Nights are warm, with lows typically ranging from 19°C (66°F) to 21°C (70°F).
43-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Byron Bay spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Byron Bay spans 1991 to 2026, revealing these weather extremes.
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in March →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm but pleasant conditions in Byron Bay in March. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. The water temperature sits at about 25°C (77°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Water Temp
See the full Byron Bay climate overview or explore weather in Australia.
Where to go in March - average daytime high across popular destinations.
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