January weather forecast
Byron Bay, Australia

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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. Sea temperatures peak at a balmy 26°C (78.8°F) this month, inviting leisurely beach strolls and cooling swims. An average of 76mm (2.99") rainfall dampens the locale and is distributed over approximately 16.3 days, yet consistent 10km (6.2mi) visibility ensures clear skies for most of the day. As one transitions to February, a slight increase in both daytime temperature and rainfall can be expected.

Temperature

January, with average temperatures reaching a high of 26.5°C (79.7°F) and a low of 21.8°C (71.2°F), is the warmest month in Byron Bay.

Humidity

In Byron Bay, the average relative humidity in January is 78%.

Rainfall

In January, in Byron Bay, the rain falls for 16.3 days. Throughout January, 76mm (2.99") of precipitation is accumulated. Throughout the year, in Byron Bay, there are 197.8 rainfall days, and 867mm (34.13") of precipitation is accumulated.

Sea temperature

In January, the average sea temperature in Byron Bay is 26°C (78.8°F).
Note: Water temperatures between 25°C (77°F) and 29°C (84.2°F) are regarded as very warm, ensuring all water activities are pleasurable for extended periods without feeling uneasy.

Daylight

The average length of the day in January is 13h and 44min.
On the first day of the month, sunrise is at 5:50 am and sunset at 7:46 pm. On the last day of January, in Byron Bay, sunrise is at 6:14 am and sunset at 7:42 pm AEDT.

Sunshine

In January, the average sunshine in Byron Bay, Australia, is 8.7h.

UV index

The months with the highest UV index are January through March, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 in January interprets into the following advice:
Resist overexposure. Safeguarding from solar damage is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be alert! The reflection of water and sand augments UV radiation intensity.

Frequently asked questions

What time of the year is the hottest in Byron Bay?

Byron Bay 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.

What is the average January temperature in Byron Bay?

In January, in Byron Bay, the average high-temperature is 26.5°C (79.7°F), and the average low-temperature is 21.8°C (71.2°F).

What is the average humidity in January in Byron Bay?

The average relative humidity in January in Byron Bay is 78%.

How much does it rain in Byron Bay in January?

In Byron Bay, in January, it is raining for 16.3 days, with typically 76mm (2.99") of accumulated precipitation.

How warm is the water in January in Byron Bay?

In January, the average sea temperature is 26°C (78.8°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

How many hours of daylight does Byron Bay have in January?

The average day length in January is 13h and 44min.

What time are sunrise and sunset in January in Byron Bay?

In January, on the first day of the month, sunrise is at 5:50 am and sunset at 7:46 pm. On the last day of the month, in Byron Bay, sunrise is at 6:14 am and sunset at 7:42 pm AEDT.

How many hours of sunshine does Byron Bay have in January?

In January, the average sunshine duration in Byron Bay is 8.7h.

What are the months with the highest UV index in Byron Bay?

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.

How high is the UV index in January in Byron Bay?

In January, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.

Average temperature in January
Byron Bay, Australia

Average temperature in January - Byron Bay, Australia
  • Average high temperature in January: 26.5°C

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).

  • Average low temperature in January: 21.8°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 in January
Byron Bay, Australia

Average pressure in January - Byron Bay, Australia
  • Average pressure in January: 1012.8mbar

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 in January
Byron Bay, Australia

Average wind speed in January - Byron Bay, Australia
  • Average wind speed in January: 16.9km/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 in January
Byron Bay, Australia

Average humidity in January - Byron Bay, Australia
  • Average humidity in January: 78%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is August (70%).

Average rainfall in January
Byron Bay, Australia

Average rainfall in January - Byron Bay, Australia
  • Average rainfall in January: 76mm

The wettest month (with the highest rainfall) is February (123mm).
The driest month (with the least rainfall) is September (29mm).

Average rainfall days in January
Byron Bay, Australia

Average rainfall days in January - Byron Bay, Australia
  • Average rainfall days in January: 16.3 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 in January
Byron Bay, Australia

Average sea temperature in January - Byron Bay, Australia
  • Average sea temperature in January: 26°C

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 in January /
Average sunshine in January
Byron Bay, Australia

Average daylight in January / Average sunshine in January - Byron Bay, Australia
  • Average daylight in January: 13h and 4min

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 4min

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 in January
Byron Bay, Australia

Average sunshine days in January - Byron Bay, Australia
  • Average sunshine days in January: 11.8 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 in January
Byron Bay, Australia

Average UV index in January - Byron Bay, Australia
  • Average UV index in January: 6

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 in January
Byron Bay, Australia

Average cloud cover in January - Byron Bay, Australia
  • Average cloud cover in January: 39

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 in January
Byron Bay, Australia

Average visibility in January - Byron Bay, Australia
  • Average visibility in January: 10km

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).

Byron Bay, Australia

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