June 18 is statistically one of the best days of the year in Cairns. With minimal rain risk (11%) and pleasant highs of 24°C, it's ideal for outdoor adventures. It's a lively time to explore Cairns, with most attractions operating at full capacity.
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Essential Travel Info for Cairns
Currency
AUD
$ Australian dollar
Language
English
Driving
Left side
Safety
High Safety
GPI: 1.565
Cairns Weather Forecast for June 18
"Mild & Comfortable. Expect average highs of 23.9°C. 11% chance of rain."
What to Wear in Cairns in June
Based on historical data for June 18, Cairns typically experiences temperatures between 19.5°C and 23.9°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (11% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Cairns
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
23.9°C
Daytime Peak
Average Low
19.5°C
Nighttime Low
Feels Like
24.6°C
☀️ Feels accurate
Rain Chance
11%
Avg 0.5mm if it rains
Cloud Cover
56%
Overcast
Pressure
1016.5 hPa
Low volatility
Cairns 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
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
19.4°C
Noticeable
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
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Australia
Flight Traffic
Busy
73/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~58
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Cairns
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:45
☀️ Noon
12:19
🌇 Sunset
17:52
⏱️ Daylight
11h 7m
Wind Speed
17.8 km/h
Gentle breeze
Sunshine
9.5 hrs
Direct Sun (Cloud-free)
Humidity
76%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Cairns
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Cairns
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
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, Cairns on June 18 averages 23.9°C with a 11% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Cairns Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (June 18) in other destinations
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📍 Is Cairns Worth Visiting on June 18?
Planning a trip to Cairns on June 18? 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 23.9°C with a 11% historical precipitation risk.
✈️ Travel Logistics: Approximately 58 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Australia, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 23.9°C (swimming pool). Wave conditions are generally fun waves with heights around 0.82m.
📊 Historical Extremes: The hottest June 18 recorded in the last 30 years saw temperatures hit 26.5°C in 2021, while the coldest dropped to 16°C in 2024.