South Australia weather in May 2026

Q: 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.

Q: 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.

Q: How warm is the sea around South Australia in May?

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

Q: 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.

Expect daytime maximum temperatures of 66°F in South Australia, Australia in May based on long-term weather averages. There are 5 hours of sunshine per day on average with typically 2.8 inches of rainfall in the month.

66
66°F max day temperature
5
5 hours of sunshine per day
8
8 days with some rainfall
48
48°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
2.8
2.8 inches of monthly rainfall
3
3 (Moderate) UV index
63
63°F 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) | Imperial (°F)

More about Australia

How hot is it in South Australia in May?

Daytime temperatures usually reach 66°F in Adelaide, South Australia in May, falling to 48°F 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 63°F.

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 2.8 inches.

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.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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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South Australia - quick facts
Flight time^✝	21 hours
Time difference	UK +9.5 hours
Language(s)	English
Currency	Australian Dollar
Electricity	I plug (230V)
Driving side	Left
Visa^✝	Yes
Tourist info	South Australian Tourism Commission