May · Australia
Best time to visit Sydney Opera House in May Weather, crowds & prices
Weather in Sydney Opera House in May
Average temperature 15°C, 118 mm of rain, about 26 days with 6+ hours of sunshine and 78% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
7.3/10
Ranked #11 of 12 months
- Avg temp
- 15°C
- Rainfall
- 118 mm
- Humidity
- 78%
- Days with 6h+ sun
- 26
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
May in Sydney Opera House scores 7.3/10 for sightseeing and cultural travel - ranked #11 of 12. Expect around 15°C, 118 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.
Harbor sails and forecourt light shine across November through March warmth.
May in Sydney Opera House: strong conditions, 11th of 12
Temperatures hover around 15°C (58°F) — the kind of month where neither heat nor cold forces the schedule.
118 mm of rain makes this a wet month here, though with about 26 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.3/10 on the same scale — 11th of 12 months, versus 9.2/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, September is materially better in Sydney Opera House — 1.9 points higher on the same scale.
Frequently asked
- What is the weather like in Sydney Opera House in May?
- In May, Sydney Opera House averages 15°C, 118 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 7.3/10.
- Is May a good time to visit Sydney Opera House?
- May earns a 7.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Sydney Opera House in May?
- Expect about 118 mm of rain in May. Average humidity is 78% and there are about 26 days with 6+ hours of sunshine.
Curated in Sydney Opera House
Tickets & experiences
Things to do in Sydney Opera House
Sydney Opera House, Australia. Live activities and tours from GetYourGuide, matched to this destination.

