The month in detail
What to expect in July
July is peak dry season in Cairns. The air is warm and humidity more bearable than in the rainy season. Rain risk remains low (18% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if September (8.9/10) remains theoretically better.
July ranks 4 out of 12 months in Cairns. Compared to June: 6 pts fewer rainy days, +0.5h of sun per day.
This month's conditions
What it's like in July
UV index
6 · high
sunscreen and hat advised
Feels like
muggy at times
16°
Sea
24°C
pleasant for swimming
Daylight
11.1h of daylight
Air quality
good
AQI 21
Compare
Is July the right month?
The best month in Cairns is September (8.9/10), 0.5 pt higher than July.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Cairns
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Cairns
GetYourGuide selection · free cancellation
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 tropical stay.
Country · Australia
🗣️LanguageEnglish
💶CurrencyAustralian Dollar ($)
🚗DrivingLeft-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘExpensive · 4/5
🌡️ Climate
🌍Climate typeTropical
📈Climate trend ⓘStable
🔥Hottest monthDecember · 31°C
❄️Coolest monthJuly · 24°C
🌧️Rainiest month ⓘFebruary · 56%
🏝️ Tropical stay
🌞Dry season ⓘMay → Sep
🌧️Wet season ⓘDec → Mar
🌀Cyclones ⓘSeason Nov-Apr
Explore
Other destinations in July
If July doesn't convince you for this destination, compare with others.
Location
Where is Cairns ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
AustraliaTropical climate with a 8.9 → 4.8 gap between best and worst month. 10 years of ERA5 data to choose by project.
16.92°S · 145.77°E
Questions
Frequently asked questions
What is the best time to visit Cairns?
September is the best month with 27.0°C highs, 20.0°C lows, 9.0h of sunshine and 14.0% rainy days. The months of September & October offer comparable conditions.
How many hours of sunshine does Cairns get in September?
Cairns averages 9.0 sunshine hours per day in September. It is the sunniest month with a climate score of 8.6/10.
What is the rainiest month in Cairns?
February is the most unfavourable month with February has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Cairns in September?
In September, overnight lows reach 20.0°C, while afternoon highs average 27.0°C.
Is Cairns good in winter?
In winter (December-February), Cairns scores 4.9/10 on average — Difficult period — prefer the peak season.. The best month overall remains September with a score of 8.6/10.
When should you avoid Cairns?
February is the most difficult month to visit Cairns, with February has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Can you swim in Cairns in July?
In July, the sea averages 24°C in Cairns: pleasant for swimming. Swimming is pleasant without a wetsuit.
Do you need sun protection in Cairns in July?
The average UV index reaches 6 in July in Cairns (high), with about 11.1h of daylight. Sunscreen and hat advised.