Byron Bay Weather Guide
Located in the northeast corner of New South Wales near the Queensland border, Byron Bay enjoys a sub-tropical coastal climate with warm summers and mild winters. The area’s lush verdant appearance is due to significant rainfall throughout the year ranging from light showers to torrential downpours with the majority of rainy days occurring between November and April. For swimmers, surfers and divers, warm ocean temps of 17 to 27 degrees Celsius at Julian Rocks mean watersports can be enjoyed year round.
Season and Clothing
Summer: December to February
Summer in Byron Bay ranges from warm, pleasant conditions to hot and humid weather relieved by cool ocean breezes. The rainy season can bring afternoon showers as well as spectacular evening thunderstorms during these months. Most days offer clear skies and plenty of sunshine making Byron Bay a popular destination to spend the summer holidays. The Christmas New Year period is a peak time for visitors wanting to welcome the new year at Australia’s easternmost point.
Average temperatures: 19 – 28 degrees Celsius.
Appropriate clothing: Swimwear, dresses, shorts, singlets and thongs.
Don’t forget: Sunnies and SPF50+ sunscreen.
Autumn: March to May
Autumn temps in Byron Bay are still agreeably warm with cooler nights. The highest yearly rainfall and greatest amount of rainy days occurs during these months, which also coincides with the Easter break and the annual five-day Byron Bay Bluesfest music festival in the area – a historically muddy event. If you want to visit Byron Bay over the Easter long weekend it’s best to plan and book your accommodation well in advance.
Average temperatures: 15 – 26 degrees Celsius.
Appropriate clothing: Shorts, pants, t-shirts and dresses.
Don’t forget: Gumboots.
Winter: June to August
Byron Bay has mild and sunny to overcast days with chilly nights during the winter months and slightly less rain. The annual international music festival Splendour in the Grass is normally staged in July or August in the area and conditions can either be wet and muddy or dry and dusty. Traffic is chaotic during the five days around the festival so if you wish to visit during this period, it’s best to plan transport and accommodation ahead of time.
Average temperatures: 11 – 21 degrees Celsius.
Appropriate clothing: Jeans, pants, flannels and jumpers.
Don’t forget: Beanies for cold nights.
Spring: September to November
Early spring coincides with the continuance of the whale-watching season in Byron Bay where the days are still mild with cool nights. Seawater temps can take a dive suddenly in October where wetsuits may be needed for ocean activities, while the air temperature remains warm. Late spring brings even warmer air and water temps but without the humidity of summer making it an ideal time for sightseeing, especially as all the trees and flowers are in bloom.
Average temperatures: 14 – 25 degrees Celsius.
Appropriate clothing: Shorts, pants, dresses and t-shirts.
Don’t forget: Trainers or hiking shoes.