Climate guide for Sydney Opera House, Australia

Sydney Opera House in May

Weather, crowds & best time to visit

How to read the score (0–10)
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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

Full year for Sydney Opera House
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.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

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.