The average temperature for the week of 9 June 2025 - 15 June 2025 was 19 °C (66 °F) during the day and 8 °C (46 °F) during the night. Both the daily and night temperatures in Byron Bay are roughly same as the long-term average, which is around 21 °C (70 °F) and 12 °C (54 °F) respectively. The average temperatures during different times of day (local time) were following: 7am 11 °C (52 °F), 10am 17 °C (63 °F), 1pm 19 °C (66 °F), 4pm 15 °C (59 °F), 7pm 12 °C (54 °F), 10pm 10 °C (50 °F).

The week had 3 days without rain and 4 days with light rain. The total precipitation for the week in Byron Bay was 3 mm (0.12 in), which is below the area's average of 38 mm (1.50 in). During the daytime (from dawn to dusk), there was 14 % cloud coverage on average.

An average wind speed of 3.9 m/s was recorded. The prevailing winds blew from the West and South-West. The air pressure was 1007 hpa - 1022 hpa. On average, the air humidity in Byron Bay was 66 %.

On average, there were 9 hours clear skies, 0.5 hours partially overcast skies and 1 hour overcast skies during the daytime (from dawn to dusk). At 06:35, on average, the sun rose, and at 16:55, the sun set.

Weather overview

Byron Bay (Australia) is a place with a tropical climate. Temperatures during the day are in the range from 20 °C (68 °F) in July to 28 °C (83 °F) in January. The highest sea temperatures in Byron Bay are in February with 26 °C (79 °F) and the lowest in August with 21 °C (69 °F). The driest month is September with just 7 days of rain, on the contrary, the month when it rains the most is March with 16 days of rain. Temperatures during the night go from 10 °C (50 °F) in August to 20 °C (69 °F) in February.

January weather

The maximum of the day temperature is observable, the value of this measure is 28 °C (83 °F) in Byron Bay, while the sea temperature continues to rise, the value of this measure is 26 °C (78 °F). The ongoing tourist season is noticeable. The number of rainy days rises similarly to the previous month, its value is 13 days. The number of sun hours (without clouds) descent's start could be observed, with its value of 8 hours. The rise of the night temperature can be observed, with its value of 20 °C (68 °F).

February weather

There is pending tourist season in Byron Bay. The wet season slowly starts. The maximum of the sea temperature is observable, its value is 26 °C (79 °F), and the maximum of the night temperature can be noticed as well, its value is 20 °C (69 °F). The beginning of the rise of the rainfall amount could be noticed, the value of this measure is 185 mm (7.29 in). The maximum of the humidity can be noticed, the value of this measure is 67 %.

March weather

The ongoing tourist season is noticeable in Byron Bay. The ongoing wet season is noticeable. The day temperature descent's start could be observed, with its value being 27 °C (81 °F), and the beginning of the descent of the night temperature could be noticed too, its value is 19 °C (66 °F). The maximum of the number of rainy days is observable, with its value being 16 days, and the maximum of the rainfall amount can be noticed as well, its value is 199 mm (7.85 in).

April weather

The day temperature continues to descent, with its value being 25 °C (78 °F) in Byron Bay, while the sea temperature starts to descent, the value of this measure is 25 °C (77 °F). The number of rainy days descent's start could be observed, its value is 15 days, and the rainfall amount descent's start could be observed as well in this month. The descent of the night temperature can be observed, with its value of 17 °C (62 °F). The tourist season continues.

May weather

The tourist season is close to its peak this month in Byron Bay. The day temperature descents similarly to the previous month, its value is 23 °C (73 °F), and the sea temperature descents similarly to the previous month as well, with its value being 24 °C (74 °F). The descent of the night temperature can be observed, with its value being 14 °C (57 °F). The minimum of the number of sun hours (without clouds) can be noticed, the value of this measure is 6 hours. The number of rainy days continues to descent, with its value being 13 days.

June weather

There is pending tourist season in Byron Bay. The descent of the sea temperature can be observed, its value is 22 °C (72 °F), and the descent of the day temperature can be observed as well, its value is 21 °C (69 °F). The beginning of the descent of the rainfall amount could be noticed, with its value of 162 mm (6.38 in). The night temperature descents similarly to the previous month, with its value being 12 °C (53 °F). The number of sun hours (without clouds) starts to rise, with its value being 7 hours.

July weather

The tourist season continues in Byron Bay. The descent of the sea temperature can be observed, the value of this measure is 21 °C (70 °F), while the day temperature is on its minimum in this month. The descent of the number of rainy days can be observed, with its value of 9 days, and the rainfall amount descents similarly to the previous month as well, with its value being 98 mm (3.84 in). The minimum of the wind speed can be noticed in this month.

August weather

The tourist season continues in Byron Bay. The day temperature rise's start could be observed, while the sea temperature is on its minimum in August. The number of rainy days descents similarly to the previous month, its value is 7 days. The number of sun hours (without clouds) rises similarly to the previous month, the value of this measure is 8 hours. The minimum of the night temperature can be noticed, its value is 10 °C (50 °F).

September weather

The rise of the day temperature can be observed, the value of this measure is 24 °C (75 °F) in Byron Bay. The tourist season continues. The rainfall amount is on its minimum, its value is 61 mm (2.41 in), and the number of rainy days is on its minimum as well in this month. The humidity is on its minimum, with its value being 54 %. The maximum of the number of sun hours (without clouds) is observable, the value of this measure is 8 hours.

October weather

The day temperature continues to rise, with its value of 25 °C (77 °F) in Byron Bay, while the beginning of the rise of the sea temperature could be noticed in this month. The number of rainy days starts to rise, its value is 9 days, and the rainfall amount rise's start could be observed as well. There is pending tourist season. The night temperature continues to rise, with its value being 15 °C (60 °F).

November weather

The ongoing tourist season is noticeable in Byron Bay. The rise of the sea temperature can be observed, its value is 23 °C (74 °F), and the rise of the day temperature can be observed as well, with its value being 26 °C (78 °F). The rainfall amount continues to rise, its value is 129 mm (5.09 in), and the number of rainy days continues to rise too, the value of this measure is 11 days. The night temperature rises similarly to the previous month, the value of this measure is 17 °C (63 °F).

December weather

The day temperature rises similarly to the previous month, its value is 27 °C (81 °F) in Byron Bay, and the sea temperature rises similarly to the previous month too, with its value being 25 °C (76 °F). The tourist season is taking place. The number of rainy days continues to rise, with its value being 12 days. The rise of the night temperature can be observed, the value of this measure is 19 °C (66 °F). The day length reaches its maximum, with its value of 14 hours.

Is it hot in January in Byron Bay?

In Byron Bay in January, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

What is the temperature in Byron Bay during the day in February?

In Byron Bay in February, the average daily temperatures will be 28 °C (83 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.

How many sunny hours can I expect in Byron Bay in March?

In Byron Bay in March, you can expect around 7 hours of sunshine.

What is the sea temperature in April in Byron Bay?

The temperature of the sea in April in Byron Bay is 25 °C (77 °F). It will be comfortable for you to spend even a long time in a sea warm like this, there will be people for whom this temperature will be too low or too high.

How windy is it in Byron Bay in May?

An average wind scale that can be expected in May in Byron Bay is 4.

What level of humidity is to expect in July in Byron Bay?

In Byron Bay in July, expect humidity around 59 %.

Is there a dry season in August in Byron Bay?

Yes, there is a dry season in Byron Bay in August with just 7 days during the month being rainy.

Are there good conditions to visit in Byron Bay in September?

There are good conditions for visiting in September in Byron Bay. You can expect just 7 days of rain during the month, taking an umbrella is not necessary. There are some people, who may feel a slight chill at 24 °C (75 °F), but others will feel perfectly fine. A sea temperature of 21 °C (70 °F) can seem colder to some, but others will call it refreshing. The temperature of 13 °C (56 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

What is the air temperature in October in Byron Bay at night?

The average night temperature in Byron Bay in October is 15 °C (60 °F). This temperature is pleasant for a wide range of evening, night, and morning activities from sports to sitting outside in restaurants or evening walks.

How many rainy days can I expect in Byron Bay in November?

In Byron Bay in November, we can expect 11 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.6 days of the week, or in general - 37 % days.

Is December part of the wet season in Byron Bay?

No, there is no wet season in December in Byron Bay - you can expect 12 days of rain during the month.