January in Sydney Opera House — reliably good (10th best month)
Good · 7.4/10January averages 22°C (72°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Monthly rainfall reaches 133 mm — wet for this destination — but about 27 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.4/10 here, 10th of 12 months, against 9.2/10 in the destination's best month.
Figure on mid-season pricing, with crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
Flexible dates? September scores 1.8 points higher here — enough to change the trip.
February in Sydney Opera House: strong conditions, 6th of 12
Good · 7.9/10February averages 22°C (72°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Monthly rainfall reaches 109 mm — wet for this destination — but about 24 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.9/10 here, 6th of 12 months, against 9.2/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
March in Sydney Opera House — workable with trade-offs
Trade-offs · 6.9/10At 21°C (70°F) this is comfortable city weather in March, with sightseeing easiest before lunch and after the afternoon peak.
182 mm of rain makes this a wet month here, though with about 25 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 6.9/10 on the same scale — 12th of 12 months, versus 9.2/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
If your dates are flexible, September is materially better in Sydney Opera House — 2.3 points higher on the same scale.
April holds up well in Sydney Opera House — 8th best month
Good · 7.7/10April averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Monthly rainfall reaches 107 mm — wet for this destination — but about 27 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 7.7/10 here, 8th of 12 months, against 9.2/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
May in Sydney Opera House: strong conditions, 11th of 12
Good · 7.3/10Temperatures 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.
Budget for low-season pricing, and crowds are light for this destination.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.
If your dates are flexible, September is materially better in Sydney Opera House — 1.9 points higher on the same scale.
June holds up well in Sydney Opera House — 5th best month
Good · 8.1/10June averages 12°C (53°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 58 mm, so plan one flexible day in three; you still get about 26 days with 6+ hours of sunshine and 9.9 hours of daylight.
It scores 8.1/10 here, 5th of 12 months, against 9.2/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
July holds up well in Sydney Opera House — 9th best month
Good · 7.5/10July averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 91 mm, so plan one flexible day in three; you still get about 27 days with 6+ hours of sunshine and 10.2 hours of daylight.
It scores 7.5/10 here, 9th of 12 months, against 9.2/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Flexible dates? September scores 1.7 points higher here — enough to change the trip.
August in Sydney Opera House: strong conditions, 7th of 12
Good · 7.8/10Temperatures hover around 14°C (56°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 91 mm of rain this month — a flexible day or two helps — with about 27 days with 6+ hours of sunshine and 10.9 hours of daylight to work around it.
That is 7.8/10 on the same scale — 7th of 12 months, versus 9.2/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
September in Sydney Opera House tops the year's climate scores
Best window · 9.2/10Temperatures hover around 16°C (61°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 58 mm of rain this month — a flexible day or two helps — with about 28 days with 6+ hours of sunshine and 11.9 hours of daylight to work around it.
On our climate-comfort scale this is the top-ranked month of the year for Sydney Opera House at 9.2/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
October in Sydney Opera House — one of the year's strongest windows (2nd)
Best window · 8.8/10October averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 75 mm, so plan one flexible day in three; you still get about 27 days with 6+ hours of sunshine and 12.9 hours of daylight.
A 8.8/10 puts this among the year's best months in Sydney Opera House (2nd of 12); only September scores higher, at 9.2/10.
Plan for mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
November in Sydney Opera House: strong conditions, 4th of 12
Good · 8.3/10November averages 20°C (67°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 93 mm, so plan one flexible day in three; you still get about 25 days with 6+ hours of sunshine and 13.9 hours of daylight.
It scores 8.3/10 here, 4th of 12 months, against 9.2/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack light clothing, a hat and real sun protection, a packable rain layer.
December ranks 3rd of 12 for Sydney Opera House — one of the best windows
Best window · 8.7/10At 21°C (70°F) this is comfortable city weather in December, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 72 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 14.4 hours of daylight to work around it.
On our climate-comfort scale this is one of the strongest months of the year for Sydney Opera House at 8.7/10 (3rd of 12), just behind September at 9.2/10.
Expect peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, a hat and real sun protection, a packable rain layer.