New South Wales weather in May 2025

Expect daytime maximum temperatures of 20°C in New South Wales, Australia in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 11 days with some rainfall and typically 108 mm of rainfall in the month.

  • 20°C maximum daytime temperature in May in New South Wales (Sydney)20
    20°C max day temperature
  • 6 hours of sunshine per day
  • 11 days with some rainfall in May in New South Wales (Sydney)11
    11 days with some rainfall
  • 12°C minimum night-time temperature in May in New South Wales (Sydney)12
    12°C min night temperature
  • 10 hours of daylight per day in May in New South Wales (Sydney)10
    10 hours of daylight per day
  • No heat & humidity in May in New South Wales (Sydney)0
    No heat & humidity
  • 108 mm monthly rainfall in May in New South Wales (Sydney)108
    108 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in May in New South Wales (Sydney)3
    3 (Moderate) UV index
  • 20°C sea temperature in May in New South Wales (Sydney)20
    20°C sea temperature

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The May weather guide for New South Wales (Sydney) 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.

Top New South Wales destinations

Below are average maximum temperatures at popular countries, regions and places in New South Wales in May. Select a holiday destination to see more weather parameters.

All New South Wales destinations

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

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More about Australia

How hot is it in New South Wales in May?

Daytime temperatures usually reach 20°C in Sydney, New South Wales in May, falling to 12°C at night.

How sunny is it in New South Wales in May?

There are normally 6 hours of bright sunshine each day in Sydney, New South Wales in May - that's 56% of daylight hours.

How warm is the sea around New South Wales in May?

The average sea temperature around Sydney, New South Wales in May is 20°C.

Does it rain in New South Wales in May?

There are usually 11 days with some rain in Sydney, New South Wales in May and the average monthly rainfall is 108mm.

New South Wales May sunrise & sunset times

Browse the sunrise and sunset times for New South Wales in May 2025. Select a month to view New South Wales sunrise and sunset times for the next 12 months. The New South Wales sunrise and sunset times shown below are for Sydney.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 06:30 17:14
Friday, 16th May 2025 06:41 17:02
Saturday, 31st May 2025 06:51 16:55

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