May · Australia
Best time to visit Adelaide in May Weather, crowds & prices
Weather in Adelaide in May
Average temperature 14°C, 50 mm of rain, about 27 days with 6+ hours of sunshine and 69% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
8.9/10
Ranked #8 of 12 months
- Avg temp
- 14°C
- Rainfall
- 50 mm
- Humidity
- 69%
- Days with 6h+ sun
- 27
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Adelaide scores 8.9/10 for sightseeing and cultural travel - ranked #8 of 12. Expect around 14°C, 50 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Adelaide pairs a gridded parkland centre with wine regions and Gulf St Vincent beaches within an hour.
May ranks 8th of 12 for Adelaide — one of the best windows
Temperatures hover around 14°C (57°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 50 mm of rain this month — a flexible day or two helps — with about 27 days with 6+ hours of sunshine and 10.3 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Adelaide at 8.9/10 (8th of 12), just behind February at 10/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Adelaide in May?
- In May, Adelaide averages 14°C, 50 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 8.9/10.
- Is May a good time to visit Adelaide?
- May earns a 8.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Adelaide in May?
- Expect about 50 mm of rain in May. Average humidity is 69% and there are about 27 days with 6+ hours of sunshine.
Curated in Adelaide
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