Adelaide weather in May 2026

Expect daytime maximum temperatures of 19°C in Adelaide, South 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°C maximum daytime temperature in May in Adelaide19
    19°C max day temperature
  • 5 hours of sunshine per day
  • 8 days with some rainfall in May in Adelaide8
    8 days with some rainfall
  • 9°C minimum night-time temperature in May in Adelaide9
    9°C min night temperature
  • 10 hours of daylight per day in May in Adelaide10
    10 hours of daylight per day
  • No heat & humidity in May in Adelaide0
    No heat & humidity
  • 71 mm monthly rainfall in May in Adelaide71
    71 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in May in Adelaide3
    3 (Moderate) UV index
  • 17°C sea temperature in May in Adelaide17
    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.

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

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How hot is it in Adelaide in May?

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

How sunny is it in Adelaide in May?

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

How warm is the sea around Adelaide in May?

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

Does it rain in Adelaide in May?

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

Adelaide May sunrise & sunset times

Browse the sunrise and sunset times for Adelaide in May 2026. Select a month to view Adelaide sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 06:52 17:33
Saturday, 16th May 2026 07:03 17:20
Sunday, 31st May 2026 07:14 17:12

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