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Sydney, Australia · Temperate oceanic

Sydney in May: go or not?

Good time. Sydney in May gets 7.5/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 33.87°S · 151.21°E
⚡ This month's verdict
Go for it
Sydney · May
7.5
11–19°
Temperature
25%
Rain
7h
Sun
🌊 Seaside☀️ Bright🍴 Gastronomy
Photo : Josh Fotheringham via Unsplash
The month in detail

What to expect in May

Autumn in Sydney is often underrated: 19°C, golden light and declining crowds. An interesting window. Rain risk remains low (25% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if January (8.4/10) remains theoretically better.

May ranks 10 out of 12 months in Sydney. Compared to April: −3°C daytime, −0.5h of sun per day.

This month's conditions

What it's like in May

UV index
4 · moderate
protect during midday hours
Feels like
comfortable
10°
Sea
20°C
cool, invigorating
Daylight
10.2h of daylight
Air quality
good
AQI 25
Compare

Is May the right month?

The best month in Sydney is January (8.4/10), 0.9 pt higher than May.

See January →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Sydney

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
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 · 26°C
❄️Coolest monthJune · 17°C
🌧️Rainiest month ⓘFebruary · 30%

🏖️ Beach holiday

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Location

Where is Sydney ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
Australia
Temperate oceanic climate with a 8.4 → 4.5 gap between best and worst month. 10 years of ERA5 data to choose by project.
33.87°S · 151.21°E
Questions

Frequently asked questions

What is the best time to visit Sydney?
January is the best month with 26.0°C highs, 20.0°C lows, 7.5h of sunshine and 25.0% rainy days. The months of January & December offer comparable conditions.
How many hours of sunshine does Sydney get in January?
Sydney averages 7.5 sunshine hours per day in January. It is the sunniest month with a climate score of 7.8/10.
What is the rainiest month in Sydney?
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 Sydney in January?
In January, overnight lows reach 20.0°C, while afternoon highs average 26.0°C.
Is Sydney good in winter?
In winter (December-February), Sydney scores 7.8/10 on average — Decent period conditions for cultural visits.. The best month overall remains January with a score of 7.8/10.
When should you avoid Sydney?
June is the most difficult month to visit Sydney, 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 Sydney in May?
In May, the sea averages 20°C in Sydney: cool, invigorating. Swimming is possible but brisk; sensitive swimmers may prefer a wetsuit.
Do you need sun protection in Sydney in May?
The average UV index reaches 4 in May in Sydney (moderate), with about 10.2h of daylight. Protect during midday hours.