Climate and monthly weather forecastByron Bay, Australia
Climate and monthly weather forecast
The climate of Byron Bay
Byron Bay, Australia, finds its weather patterns dictated by the prevailing Humid subtropical climate, with no dry season, often characterized by the Köppen climate classification as Cfa. Situated in the coastal belt, the overall climate remains mild and consistent throughout the year, typically marked by high levels of humidity and a healthy dose of precipitation.The yearly temperatures see a modest range from 13.3°C (55.9°F) to 26.5°C (79.7°F), indicative of the subtropical setting. The highest temperature on average is around 26.5°C (79.7°F), occurring at the peak of January, whereas July sees the climatic low of about 13.3°C (55.9°F). This demonstrates a persistent warmth across the months, albeit with some fluctuations in the scale. Sea temperatures too, remain suitably mild for the most part of the year, ranging from 21.5°C (70.7°F) to 27.2°C (81°F).
In the humidity regard, the year-round relative humidity fluctuates between a close-knit 70% to 80%, portraying a moist environment throughout. Rainfall in Byron Bay tends to vary from 29mm (1.14") to 123mm (4.84") over the year. The highest rainfall is recorded in February, followed closely by April, whereas August and September receive the least precipitation.
There is also a significant amount of cloud cover, varying from 21% to 44%. The wind flow too remains steady throughout the year, with speeds ranging between 15.3km/h (9.5mph) and 18km/h (11.2mph). The maximum wind gust attains the speed of 27.1km/h (16.8mph) in October.
The best time to visit Byron Bay
The optimal time to visit Byron Bay would arguably fall between September and November. During these months, the weather is pleasurably warm, with temperatures between 15.6°C (60.1°F) and 22.5°C (72.5°F). Rainfall is on the lower end of the scale, measuring about 29mm (1.14") to 79mm (3.11"), allowing visitors to explore the outdoors without undue intrusions. The daylight hours extend to approximately 11.9 hours to 12.8 hours per day, giving ample time for exploring the natural and cultural surroundings.The worst time to visit Byron Bay
The months between February and April could be considered less ideal for a visit to Byron Bay. This phase in the year sees the highest rainfall, between 82mm (3.23") and 123mm (4.84"), which, coupled with a high relative humidity of 77% to 80%, could lead to a rather uncomfortable outdoor experience.Spring weather in Byron Bay
Spring in Byron Bay lasts from September to November and brings mild temperature conditions. The temperatures generally vary from 15.6°C (60.1°F) to 22.5°C (72.5°F), making the season quite comfortable. The amount of rainfall begins to dwindle from 79mm (3.11") in September to 57mm (2.24") by November.Summer weather in Byron Bay
The summer months of December to February experience the hottest conditions of the year in Byron Bay. Temperature values can reach their maximums around 25.5°C (77.9°F) to 26.5°C (79.7°F) and descend to lows of 20.8°C (69.4°F) to 21.8°C (71.2°F). This season carries the most considerable rainfall volume, especially in February, which records an average of 123mm (4.84").Autumn weather in Byron Bay
Autumn, from March through to May, maintains moderately high temperatures. The temperatures across these months hover from 16°C (60.8°F) to 25.3°C (77.5°F). The rainfall regularity decreases over this period, with rainfall measurements stretching from 110mm (4.33") to 63mm (2.48").Winter weather in Byron Bay
Winter in Byron Bay lasts from June to August. During these months, the temperatures lower to between 13.3°C (55.9°F) to 18.6°C (65.5°F). Despite the lower temperatures, the climate remains relatively comfortable due to minimal wind chill. Rainfall is relatively lower during these months, with measurements ranging from 41mm (1.61") to 82mm (3.23").Weather in January
Byron Bay greets the New Year with warmth and humidity, setting welcome conditions for those seeking a coastal retreat. Compared to December, January sees marginally cooler daytime temperatures while maintaining a relatively high percentage of humidity. Weather in January »Weather in February
The weather in Byron Bay during February features similar characteristics to January, with both warmth and humidity continuing to dominate the climate. However, February surpasses January in rainfall, with an average precipitation volume of 123mm (4.84"). Weather in February »Weather in March
The arrival of March brings cooler temperatures to Byron Bay, delivering a much-needed respite from the high heat experienced in the preceding months. Although temperatures reduce, the moisture levels remain unaffected due to increased rainy days counting up to an average of 23.1. Weather in March »Weather in April
April in Byron Bay ushers in an air of newness with drastic changes in the weather pattern. The city eases out of the summer heat and heads towards colder temperatures, averaging around 23.1°C (73.6°F) during the day. Rainfall sees a discernable decrease this month, plummeting to an average of 82mm (3.23") from the 110mm (4.33") noted in the previous month. Weather in April »Weather in May
Mid-year in Byron Bay finds May bearing witness to the onset of cooler temperatures along with a concurrent decrease in humidity. The daytime temperature plummets to a cooler 20.8°C (69.4°F), marking the transition towards winter. Weather in May »Weather in June
Byron Bay experiences the brunt of winter during June, with average temperatures dropping to 18.6°C (65.5°F) during the day - the lowest of the year. Despite the chill in the air, the average sea temperature remains roughly stable at 22.6°C (72.7°F), providing a welcome respite. Weather in June »Weather in July
In the heart of winter, July in Byron Bay presents an average lowest temperature recorded for the year at 13.3°C (55.9°F). The decrease in temperature is accompanied by a consistent drop in average sea temperature which comes down to 21.7°C (71.1°F). Weather in July »Weather in August
August denotes a renewal phase in Byron Bay with temperatures slightly rising, giving a hint of the approaching spring. The daytime temperature sees a marginal increase, showing indications of the end of winter. Concurrently, atmospheric pressure peaks at an average of 1020.5mb, marking the highest reading for the year. Weather in August »Weather in September
Spring is in full swing by September in Byron Bay with a notable increase in daylight hours, and a substantial decrease in cloud cover to 23%. The daytime temperature continues on its ascending trajectory, averaging 21.4°C (70.5°F), and is indicative of the steadily warming environment. Weather in September »Weather in October
Following on the trail end of spring, October’s weather pattern in Byron Bay presents an amalgamation of climatic elements with a significant surge in rainfall. An average of 79mm (3.11") rainfall adds an element of freshness to the city, especially in contrast to the drier preceding month. Weather in October »Weather in November
The last month of the spring, November, is a moderately hot month in Byron Bay, Australia, with temperature in the range of an average high of 24.6°C (76.3°F) and an average low of 19.4°C (66.9°F). Byron Bay signifies an average high-temperature of a moderately hot 24.6°C (76.3°F) in November, closely mirroring the 22.5°C (72.5°F) of October. Weather in November »Weather in December
Ending the year on a relatively warm note, December in Byron Bay showcases a balanced mix of breezy conditions and warm temperatures. The average peak daytime temperature rises to 25.5°C (77.9°F), denoting the arrival of the heat of the summer. Weather in December »Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Byron Bay, Australia, reaches its average highest temperatures in January, measuring 26.5°C (79.7°F) at the peak and 21.8°C (71.2°F) at the lowest.
Throughout the year, there are 197.8 rainfall days, and 867mm (34.13") of precipitation is accumulated.
The months with the highest UV index in Byron Bay, Australia, are January through March, October through December, with an average maximum UV index of 6.
February is the month with the most rainfall. Rain falls for 18.1 days and accumulates 123mm (4.84") of precipitation.
With an average sea temperature of 27.2°C (81°F), February is the month with the warmest seawater in Byron Bay, Australia.
The most humid month is March, with an average relative humidity of 80%.
On Sunday, 07. April 2024, at 3:00 am, Daylight Saving Time ends in Byron Bay, and the time zone changes from AEDT to AEST. The next Daylight Saving Time starts on Sunday, 06. October 2024, at 2:00 am, and the time zone reverts from AEST to AEDT.
April through September, with an average maximum UV index of 5, are months with the lowest UV index in Byron Bay.
The month with the shortest days in Byron Bay, Australia, is June, with an average of 10h and 24min of daylight.
June has the least sunshine of the year, with an average of 5.8h of sunshine.
July, on average, is the coldest month in Byron Bay, registering a high temperature of 18.3°C (64.9°F) and a low of 13.3°C (55.9°F).
August is the least humid month in Byron Bay, Australia, with an average relative humidity of 70%.
With an average sea temperature of 21.5°C (70.7°F), August is the month with the coldest seawater in Byron Bay.
September is the month with the least rainfall. Rain falls for 10.5 days and accumulates 29mm (1.14") of precipitation.
November has the most sunshine of the year in Byron Bay, with an average of 10.5h of sunshine.
With an average of 13h and 54min of daylight, December has the longest days of the year in Byron Bay.
Average temperature
Byron Bay, Australia
The warmest month (with the highest average high temperature) is January (26.5°C).
The month with the lowest average high temperature is July (18.3°C).
The months with the highest average low temperature are January and February (21.8°C).
The coldest month (with the lowest average low temperature) is July (13.3°C).
Average pressure
Byron Bay, Australia
- Average pressure in January:
1012.8mbar - Average pressure in February:
1013.3mbar - Average pressure in March:
1015.8mbar - Average pressure in April:
1018mbar - Average pressure in May:
1019.5mbar - Average pressure in June:
1019.9mbar
- Average pressure in July:
1020.5mbar - Average pressure in August:
1018.7mbar - Average pressure in September:
1018.3mbar - Average pressure in October:
1018.1mbar - Average pressure in November:
1015.3mbar - Average pressure in December:
1013.6mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is January (1012.8mbar).
Average wind speed
Byron Bay, Australia
- Average wind speed in January:
16.9km/h - Average wind speed in February:
17.3km/h - Average wind speed in March:
15.8km/h - Average wind speed in April:
15.8km/h - Average wind speed in May:
15.3km/h - Average wind speed in June:
16.9km/h
- Average wind speed in July:
16.3km/h - Average wind speed in August:
16.3km/h - Average wind speed in September:
17.2km/h - Average wind speed in October:
18km/h - Average wind speed in November:
17.6km/h - Average wind speed in December:
17.4km/h
The windiest month (with the highest average wind speed) is October (18km/h).
The calmest month (with the lowest average wind speed) is May (15.3km/h).
Average humidity
Byron Bay, Australia
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is August (70%).
Average rainfall
Byron Bay, Australia
- Average rainfall in January:
76mm - Average rainfall in February:
123mm - Average rainfall in March:
110mm - Average rainfall in April:
82mm - Average rainfall in May:
63mm - Average rainfall in June:
82mm
The wettest month (with the highest rainfall) is February (123mm).
The driest month (with the least rainfall) is September (29mm).
Average rainfall days
Byron Bay, Australia
- Average rainfall days in January:
16.3 days - Average rainfall days in February:
18.1 days - Average rainfall days in March:
23.1 days - Average rainfall days in April:
19.8 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
18.3 days
- Average rainfall days in July:
14.7 days - Average rainfall days in August:
11.2 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
15.1 days - Average rainfall days in November:
14.4 days - Average rainfall days in December:
18.6 days
The month with the highest number of rainy days is March (23.1 days).
The month with the least rainy days is September (10.5 days).
Average sea temperature
Byron Bay, Australia
The best month for swimming (with the highest average sea temperature) is February (27.2°C).
The coldest month (with the lowest average sea temperature) is August (21.5°C).
Average daylight / Average sunshine
Byron Bay, Australia
- Average daylight in January:
13h and 42min - Average daylight in February:
13h and 6min - Average daylight in March:
12h and 18min - Average daylight in April:
11h and 24min - Average daylight in May:
10h and 42min - Average daylight in June:
10h and 24min
- Average daylight in July:
10h and 30min - Average daylight in August:
11h and 6min - Average daylight in September:
11h and 54min - Average daylight in October:
12h and 48min - Average daylight in November:
13h and 30min - Average daylight in December:
13h and 54min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in January:
8h and 42min - Average sunshine in February:
7h and 36min - Average sunshine in March:
7h and 48min - Average sunshine in April:
8h and 6min - Average sunshine in May:
7h and 24min - Average sunshine in June:
5h and 48min
- Average sunshine in July:
8h and 0min - Average sunshine in August:
8h and 48min - Average sunshine in September:
9h and 6min - Average sunshine in October:
8h and 36min - Average sunshine in November:
10h and 30min - Average sunshine in December:
9h and 36min
The month with the most sunshine is November (Average sunshine: 10h and 30min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days
Byron Bay, Australia
- Average sunshine days in January:
11.8 days - Average sunshine days in February:
7.9 days - Average sunshine days in March:
5.8 days - Average sunshine days in April:
7.8 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
9.5 days
- Average sunshine days in July:
14.3 days - Average sunshine days in August:
17.3 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
12.8 days - Average sunshine days in November:
12.7 days - Average sunshine days in December:
9.3 days
The month with the most sunshine days is August (17.3 days).
The month with the least sunshine days is March (5.8 days).
Average UV index
Byron Bay, Australia
The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 5).
Average cloud cover
Byron Bay, Australia
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility
Byron Bay, Australia
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
