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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australian Insight Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Byron Bay enjoys a subtropical climate with warm, humid summers and mild, dry winters. The live forecast above gives you today’s conditions, but the best travel months are September to November and March to May, when temperatures sit comfortably between 20–27°C and crowds are thinner.
What is the best time to visit Byron Bay?
For a traveller, the shoulder seasons of spring (September–November) and autumn (March–May) are ideal. You avoid the peak summer school-holiday rush and the high humidity, while still getting plenty of sunshine for the beach. Winter (June–August) is the dry season, with daytime highs around 19–21°C—perfect for coastal walks and whale watching, though evenings need a jacket.
What should I pack and expect?
In summer, pack light cotton clothing, a hat, sunscreen, and a rain jacket for afternoon storms. Winter calls for layers: a fleece or jumper for mornings and evenings, plus jeans and closed-toe shoes. The Australia weather hub has more on seasonal patterns across the country. For detailed timing, check the weather in Byron Bay 10 days or Byron Bay weather 7 day forecast before you book accommodation.
Does Byron Bay get cyclones?
Direct cyclone hits are rare, but the region can experience heavy rain and gusty winds from ex-tropical cyclones between November and April. Check the Byron weather radar and BOM warnings before heading out.
Is it windy in Byron Bay?
Yes, especially in spring and early summer when afternoon sea breezes pick up. The wind is usually from the northeast and is great for kite-surfing at Clarkes Beach. For a calm morning, aim for weather in Byron Bay tomorrow forecasts before 10am.
What is the water temperature like?
Sea temps range from 21°C in winter to 27°C in summer. February and March offer the warmest swimming, while winter still allows a wetsuit-less dip for the hardy. For longer planning, the Byron Bay weather 21 day forecast can hint at ocean trends.