Best time to visit Byron Bay

For hot-weather activities on the beach or poolside, the best time to visit Byron Bay is from late-December to early-March.

Anytime is good to visit Byron Bay, the resort town is generally considered a year-round holiday destination.

Byron Bay weather

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

Summers are warm, humid, wet and partly cloudy, while winters are cool and mostly clear. It is generally windy year-round.

What is the best month to visit Byron Bay?
Anytime: it really depends on what you what to do.

July through October are the best months to visit Byron Bay for mild and sunny weather, clear blue skies and little rainfall. However, the water is cool for swimming. August and September are the sunniest months of the year.

For warm-weather activities on the beach – swimming, sunbathing and surfing – the best months to visit Byron Bay are from December through March during the warmer summer months. However, there can be occasional thunderstorms.

Which is the hottest month in Byron Bay?
The hottest month in Byron Bay is normally January, with an average high temperature of 28°C (82°F), with moderate heat and humidity and an average night-time low of 21°C (69°F).

The warm season lasts from early-December through March, with an average daily high temperature above 27°C (80°F).

However, on the warmest days of summer, the temperature may climb to around 34°C (93°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).

The cool season lasts from June through August, with an average daily high temperature below 21°C (69°F).

When is it sunniest in Byron Bay?
The sunniest month in Byron Bay is normally August with eight hours of sunshine per day – that's on average around 73% of daylight hours.

What is the humidity in Byron Bay?
Byron Bay experiences notable seasonal variation in humidity, with approximate average relative humidity calculated at between 63% – 80% over the course of the year.

What do the humidity conditions feel like in Byron Bay?
We derive the humidity comfort level – what conditions feel like – from the dew point temperature, which measures moisture content in the atmosphere: a higher dew point feels more humid, while a lower dew point feels drier.

Meteorologists agree that dew point temperature is a more consistant indication of 'absolute humidity' than relative humidity, which fluctuates with temperature.

The average dew point in Byron Bay is 15°C (59°F), and varies over the course of the year from comfortable at 9°C (48°F) to somewhat humid at 20°C (68°F).

The more humid time of year in Byron Bay lasts from late-October to mid-April, when you can expect the comfort level to be muggy at least 20% of the time.

The month with the most muggy days in Byron Bay is January, with around 21 days that are muggy or worse.

June through September is generally more comfortable, with less than one day in any month that is muggy.

When is the sea warmest in Byron Bay?
The sea is usually at its warmest in Byron Bay in February when the water temperature averages 26°C (78°F), which is pleasant for swimming.

The time of year with warmer water lasts from late-December to mid-April, with an average temperature above 25°C (77°F), which is warm enough for swimming.

The time of year with cooler water lasts from late-June to early-October, with an average temperature below 22°C (71°F), which is cool for swimming. August is the coldest month, with an average seawater temperature of 21°C (69°F).

Which month has the most rain in Byron Bay?
February is usually the wettest month in Byron Bay with 170mm (6in) of rainfall on average, distributed across 12 days.

The rainy season lasts from November through May, with a greater than 28% chance of a given day being a wet day. Rain falls throughout the year in Byron Bay.

Which is the driest month in Byron Bay?
The month with the least wet days is August, with an average of 41mm (1.6in) of rainfall distribued across five days.

The drier season lasts from June through October.

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 (14 mph; 12 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 (12 mph; 11 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 April, with an average hourly wind speed of 19 kilometres per hour (12 mph; 10 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 Weather Averages

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average high temperature (°C)
28 27 26 24 21 19 19 20 22 24 25 27
Average low temperature (°C)
21 21 20 17 15 13 12 13 15 17 19 20
Average daily sunshine (hrs)
8 7 7 7 6 7 7 8 9 8 8 8
Average daily daylight (hrs)
14 13 12 11 11 10 11 11 12 13 14 14
Comfort level
Moderately hot icon Moderately hot icon Low heat & humidity icon Low heat & humidity icon Low heat & humidity icon No heat & humidity No heat & humidity No heat & humidity Low heat & humidity icon Low heat & humidity icon Low heat & humidity icon Moderately hot icon
Comfort level – humidity (#muggy days)
21 21 16 7 2 0 0 0 1 5 10 17
Average dew point temperature (°C)
20 20 19 16 13 11 10 9 12 15 17 19
Average relative humidity (%)
74 78 80 75 75 75 72 66 63 66 70 72
UV Index (max)
11+ 11+ 10 7 5 3 4 5 7 9 11 11+
Average days of rainfall (≥1mm)
10 12 13 11 10 10 8 5 5 9 8 10
Average monthly rainfall (mm)
144 176 150 132 109 123 70 37 40 74 61 108
Average wind speed (km/h)
21 21 20 19 19 19 19 19 20 21 22 21
Average sea temperature (°C)
26 26 26 25 24 22 21 21 21 22 23 25
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.

Source: Meteorological data for Byron Bay is based on weather statistics gathered for the period 2002 to 2024 by the Bureau of Meteorology (BoM) from the closest weather stations, including Cape Byron Lighthouse AWS and Ballina Byron Gateway Airport AWS, located 2km (1.2mi) east, and 21km (13mi) south, respectively, of Byron Bay.

Advice on the best time to visit a particular destination is based on average local weather statistics, when the weather conditions are generally better than at other times of the year. We consider high and low temperatures, risk of rain (and thunderstorms, etc.), amount of sunshine and sea temperature. For general outdoor activities we favour clear, rainless days with a temperature range between 18°C (64°F) and 27°C (80°F); and for hot-weather activities we favour clear, rainless days with a temperature range between 24°C (75°F) and 32°C (89°F). Often, the best times to visit correspond to high season and therefore involve higher prices.

More about Byron Bay

Latest update: Best time to visit Byron Bay: 11 May, 2024

Disclaimer: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data and conditions at any given location and time are unpredictable and variable. We assume no responsibility and can not be held legally responsible for any decisions made on the basis of the information presented on this site.