Best time to visit Byron Bay

Anytime: Byron Bay is a year-round holiday destination.

For hot-weather activities on the beach or poolside the best time to visit Byron Bay is from late-December to early-March. However, anytime between mid-September and early-May is good for general outdoor activities.

Byron Bay weather

Byron Bay has a temperate climate with hot summers and mild winters. You can expect rain showers at any time of the year but especially in summer.

In Byron Bay, summers are warm, humid, wet and partly cloudy; while the winters are cool and mostly clear. It is generally windy year-round.

Which is the hottest month in Byron Bay?
The hottest time of year in Byron Bay is normally January. Expect maximum daytime temperatures to reach 28°C (82°F), with moderate heat and humidity and an average night-time low of 20°C (68°F).

Which is the coldest month in Byron Bay?
July is the coldest month with an average high-temperature of 19°C (66°F) and an average night-time low of 12°C (53°F).

When is it sunniest in Byron Bay?
The sunniest time of year in Byron Bay is normally September with more than nine hours of sunshine per day – that's on average around 75% of daylight hours.

The month with the least sunshine is May, with no more than six hours of sunshine on average every day – that's still around 54% of daylight hours.

Which month has the most rain in Byron Bay?
February is usually the wettest months in Byron Bay with an average of 193mm rainfall each month. There are normally 12 days in February with some rain.

Which is the driest month in Byron Bay?
The month with the least rainy days is September with an average of 49mm and six days with some rainfall.

When is the sea warmest in Byron Bay?
The sea is usually at its warmest in Byron Bay in February when the water temperature reaches 28°C (82°F).

What is the windiest month in Byron Bay?
November is the windiest month of the year, with an average hourly wind speed of around 22 kilometres per hour (11.9 knots).

Mid-September through to mid-March are usually the windiest months in Byron Bay, with average wind speeds of more than 20 kilometres per hour (10.8 knots).

Byron Bay experiences slightly less wind in the following six months from mid-March to mid-September. The calmest month of the year in Byron Bay is May, with an average hourly wind speed of 19 kilometres per hour (10.3 knots).

The predominant wind direction in Byron Bay varies throughout the year: the wind is most often from the south from early-April to late-August, followed by a wind change from the north that lasts until the end of December. From January to early-April the wind is most often from the east.

What's the likelihood of a storm in Byron Bay?
There's a 1.7% chance of a tropical storm occurring in February. The storm season lasts between January and March.

Byron Bay – Monthly Weather

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average daily max temp (°C)
28 27 27 24 21 19 19 20 22 24 25 27
Average daily min temp (°C)
21 21 20 17 15 13 12 13 15 17 19 20
Daily hours of sunshine
7 8 8 9 9 8 9 9 7 7 7 7
Daily hours of daylight
14 13 12 11 11 10 11 11 12 13 14 14
Comfort level
Moderately hot icon Moderately hot icon Moderate heat & humidity icon Low heat & humidity icon Low heat & humidity icon No heat & humidity No heat & humidity No heat & humidity No heat & humidity Low heat & humidity icon Low heat & humidity icon Moderately hot icon
Average relative humidity (%)
74 78 80 75 75 75 72 66 63 72 70 72
UV Index (max)
11+ 11+ 10 7 5 3 4 5 7 9 11 11+
Number of days with some rainfall
10 12 13 11 10 11 8 5 6 8 8 10
Average monthly rainfall (mm)
152 193 168 162 94 163 84 68 49 89 89 128
Average wind speed (km/h)
22 22 21 19 20 20 20 20 21 21 22 22
Average daily sea temp (°C)
27 28 27 26 25 24 23 22 23 25 26 23
Byron Bay, NSW

Holiday Seasons

High season: All the major public holidays including Christmas, New Year and Easter.

An Australian phenomena, known as Schoolies Week, sees Byron Bay crowded with many graduating high school students who flock to Byron for two weeks during late November and early December.

Byron Bay is also a popular spot to watch migrating humpback whales in May and June, when they head north to warmer waters to breed, and also when they return south with their calves around September and October.

Low season: Even outside the major holiday periods, Byron is a popular year-round destination especially at weekends.

Note: Monthly weather averages – meteorological data is sourced from the Bureau of Meteorology in Australia with additional historical climate data sourced from the World Meteorological Organization (WMO).

More about Byron Bay

Latest update: Best time to visit Byron Bay: 27 June, 2022