May 27 is generally a great time to visit Sydney. While there is a slight chance of rain (16%), showers are usually brief. Expect comfortable 18°C weather. Moderate travel demand makes this an excellent time for a balanced Sydney experience.
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Essential Travel Info for Sydney
Currency
AUD
$ Australian dollar
Language
English
Driving
Left side
Connect
See the Sydney district guides for local...
Safety
High Safety
GPI: 1.565
Sydney Weather Forecast for May 27
"Mild & Comfortable. Expect average highs of 17.6°C. 16% chance of rain."
What to Wear in Sydney in May
Based on historical data for May 27, Sydney typically experiences temperatures between 10.1°C and 17.6°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (16% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Sydney
Smart Suitcase
- Light Jacket
- Long Pants
Average High
17.6°C
Daytime Peak
Average Low
10.1°C
Nighttime Low
Feels Like
17.6°C
🌤️ Feels accurate
Rain Chance
16%
Avg 1mm if it rains
Cloud Cover
41%
Overcast
Pressure
1019.4 hPa
Medium volatility
Sydney Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 160 min to burn
Type III-IV
🟡 240 min to burn
Type V-VI
🟢 400 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
12.7°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Australia
Flight Traffic
Moderate
52/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~492
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Sydney
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:49
☀️ Noon
12:53
🌇 Sunset
17:57
⏱️ Daylight
10h 8m
Wind Speed
17 km/h
Gentle breeze
Sunshine
8.2 hrs
Direct Sun (Cloud-free)
Humidity
73%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Sydney
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Sydney
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Sydney on May 27 averages 17.6°C with a 16% precipitation probability. Wedding/Outdoor Event Score: 94/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Sydney Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 28
17.5°C • 13% rain
Score
99
May 29
17.4°C • 13% rain
Score
99
May 25
18.1°C • 18% rain
Score
95
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 27) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Sydney Worth Visiting on May 27?
Planning a trip to Sydney on May 27? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 17.6°C with a 16% historical precipitation risk.
✈️ Travel Logistics: Approximately 492 landing slots available daily during this period, indicating peak tourist activity.
💉 Health Advisory: 6 vaccinations are recommended for Australia, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 19.9°C (refreshing tonic). Wave conditions are generally surfers only with heights around 1.38m.
📊 Historical Extremes: The hottest May 27 recorded in the last 30 years saw temperatures hit 19.9°C in 2022, while the coldest dropped to 6.4°C in 2023.