Byron Bay weather in March
Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Good
Best time to visit: October – April
What is the weather like in Byron Bay in March?
In March, Byron Bay is warm: daytime highs average 25 °C, and even at night it stays warm at around 20 °C. The sea averages 26.3 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It rains often – on about 16 days, adding up to 155 mm. The air is often humid and muggy. All in all, March is a good month for a holiday in Byron Bay.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 84 | 79 | 72 |
| Day | 26° | 25° | 23° |
| Night | 21° | 20° | 18° |
| Sea | 27° | 26° | 25° |
| Sun | 8 h | 8 h | 8 h |
| Rain days | 14 | 16 | 13 |
More details for March
- Daylight
- 12 h 18 min06:46 – 19:04
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 19 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 56 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+11Australia/Sydney
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %80 %
- Few rainy daysweight 20 %14 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in March
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Byron Bay in March: quick answers
Is Byron Bay hot in March?
Warm rather than hot: in March, daytime highs in Byron Bay average 25 °C and nights cool to about 20 °C.
Can you swim in Byron Bay in March?
Yes. In March the sea averages 26.3 °C – lovely and warm for swimming.
Does it rain much in Byron Bay in March?
It rains often – on about 16 days, adding up to 155 mm.
Byron Bay month by month
The whole year in Byron BayAll destinations: AustraliaWhere to go in MarchSea temperature in March
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences