The month in detail
What to expect in May
Autumn in Adelaide is often underrated: 17°C, golden light and declining crowds. An interesting window. Expect rain on 28% of days — a light raincoat in the bag is recommended. Not the best window, but acceptable if dates are constrained. January (9.4/10) is significantly better if possible.
May ranks 8 out of 12 months in Adelaide. Compared to April: −4°C daytime, 11 pts more rainy days, −1.9h of sun per day.
This month's conditions
What it's like in May
UV index
4 · moderate
protect during midday hours
Feels like
dry air
8°
Sea
16°C
cold, for the brave
Daylight
10.2h of daylight
Air quality
excellent
AQI 15
Compare
Is May the right month?
The best month in Adelaide is January (9.4/10), 2.2 pts higher than May.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Adelaide
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Adelaide
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.
Country · Australia
🗣️LanguageEnglish
💶CurrencyAustralian Dollar ($)
🚗DrivingLeft-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘExpensive · 4/5
🌡️ Climate
🌍Climate typeTemperate oceanic
📈Climate trend ⓘStable
🔥Hottest monthJanuary · 28°C
❄️Coolest monthJune · 14°C
🌧️Rainiest month ⓘJuly · 38%
🏖️ Beach holiday
📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Explore
Other destinations in May
If May doesn't convince you for this destination, compare with others.
Location
Where is Adelaide ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
AustraliaTemperate oceanic climate with a 9.4 → 4.2 gap between best and worst month. 10 years of ERA5 data to choose by project.
34.93°S · 138.60°E
Questions
Frequently asked questions
What is the best time to visit Adelaide?
January is the best month with 28.0°C highs, 16.0°C lows, 10.5h of sunshine and 10.0% rainy days. The months of January & February offer comparable conditions.
How many hours of sunshine does Adelaide get in January?
Adelaide averages 10.5 sunshine hours per day in January. It is the sunniest month with a climate score of 9.2/10.
What is the rainiest month in Adelaide?
June is the most unfavourable month with June has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Adelaide in January?
In January, overnight lows reach 16.0°C, while afternoon highs average 28.0°C.
Is Adelaide good in winter?
In winter (December-February), Adelaide scores 8.8/10 on average — Decent period conditions for cultural visits.. The best month overall remains January with a score of 9.2/10.
When should you avoid Adelaide?
June is the most difficult month to visit Adelaide, with June has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Adelaide in May?
In May, the sea averages 16°C in Adelaide: cold, for the brave. Best left to hardened swimmers or those with a wetsuit.
Do you need sun protection in Adelaide in May?
The average UV index reaches 4 in May in Adelaide (moderate), with about 10.2h of daylight. Protect during midday hours.