South Australia weather in May 2026

Expect daytime maximum temperatures of 19°C in South Australia, Australia in May based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 71 mm of rainfall in the month.

• 19
  19°C max day temperature
• 5
  5 hours of sunshine per day
• 8
  8 days with some rainfall
• 9
  9°C min night temperature
• 10
  10 hours of daylight per day
• 0
  No heat & humidity
• 71
  71 mm of monthly rainfall
• 3
  3 (Moderate) UV index
• 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.

• 22
  Coober Pedy
• 20
  Flinders Ranges
• 19
  Adelaide
• 16
  Mount Gambier

All South Australia destinations

• Adelaide
• Ceduna
• Clifton Hills
• Coober Pedy
• Leigh Creek
• Mount Gambier
• Port Augusta
• Port Lincoln

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

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More about Australia

South Australia May sunrise & sunset times

Browse the sunrise and sunset times for South Australia in May 2026. 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.

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