Byron Bay weather in May 2025

Expect 23°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Byron Bay in May. Check more long-term weather averages for Byron Bay in May before you book your next holiday to New South Wales in 2025/2026.

  • 23°C maximum daytime temperature in May in Byron Bay23
    23°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in May in Byron Bay12
    12 days with some rainfall
  • 13°C minimum night-time temperature in May in Byron Bay13
    13°C min night temperature
  • 11 hours of daylight per day in May in Byron Bay11
    11 hours of daylight per day
  • No heat & humidity in May in Byron Bay0
    No heat & humidity
  • 188 mm monthly rainfall in May in Byron Bay188
    188 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Byron Bay5
    5 (Moderate) UV index
  • 24°C sea temperature in May in Byron Bay24
    24°C sea temperature

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The May weather guide for New South Wales (Byron Bay) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Byron Bay in May?

Daytime temperatures usually reach 23°C in Byron Bay in May, falling to 13°C at night.

How sunny is it in Byron Bay in May?

There are normally 6 hours of bright sunshine each day in Byron Bay in May - that's 59% of daylight hours.

How warm is the sea around Byron Bay in May?

The average sea temperature around Byron Bay in May is 24°C.

Does it rain in Byron Bay in May?

There are usually 12 days with some rain in Byron Bay in May and the average monthly rainfall is 188mm.

Byron Bay May sunrise & sunset times

Browse the sunrise and sunset times for Byron Bay in May 2025. Select a month to view Byron Bay sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 06:12 17:12
Friday, 16th May 2025 06:21 17:02
Saturday, 31st May 2025 06:30 16:57

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