South Australia weather in May 2025

Expect 19°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in South Australia in May. Check more long-term weather averages for South Australia in May before you book your next holiday to South Australia in 2025/2026.

  • 19°C maximum daytime temperature in May in South Australia (Adelaide)19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 8 days with some rainfall in May in South Australia (Adelaide)8
    8 days with some rainfall
  • 9°C minimum night-time temperature in May in South Australia (Adelaide)9
    9°C min night temperature
  • 10 hours of daylight per day in May in South Australia (Adelaide)10
    10 hours of daylight per day
  • No heat & humidity in May in South Australia (Adelaide)0
    No heat & humidity
  • 71 mm monthly rainfall in May in South Australia (Adelaide)71
    71 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in May in South Australia (Adelaide)3
    3 (Moderate) UV index
  • 17°C sea temperature in May in South Australia (Adelaide)17
    17°C sea temperature

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The May weather guide for South Australia (Adelaide) 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 South Australia destinations

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

All South Australia destinations

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

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More about Australia

How hot is it in South Australia in May?

Daytime temperatures usually reach 19°C in Adelaide, South Australia in May, falling to 9°C at night.

How sunny is it in South Australia in May?

There are normally 5 hours of bright sunshine each day in Adelaide, South Australia in May - that's 51% of daylight hours.

How warm is the sea around South Australia in May?

The average sea temperature around Adelaide, South Australia in May is 17°C.

Does it rain in South Australia in May?

There are usually 8 days with some rain in Adelaide, South Australia in May and the average monthly rainfall is 71mm.

South Australia May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 06:52 17:33
Friday, 16th May 2025 07:03 17:20
Saturday, 31st May 2025 07:14 17:12

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